idx int64 | func_before string | Vulnerability Classification string | vul int64 | func_after string | patch string | CWE ID string | lines_before string | lines_after string |
|---|---|---|---|---|---|---|---|---|
44,800 | static int tiocsctty(struct tty_struct *tty, struct file *file, int arg)
{
int ret = 0;
tty_lock(tty);
read_lock(&tasklist_lock);
if (current->signal->leader && (task_session(current) == tty->session))
goto unlock;
/*
* The process must be a session leader and
* not have a controlling tty already.
*/
i... | DoS +Info | 0 | static int tiocsctty(struct tty_struct *tty, struct file *file, int arg)
{
int ret = 0;
tty_lock(tty);
read_lock(&tasklist_lock);
if (current->signal->leader && (task_session(current) == tty->session))
goto unlock;
/*
* The process must be a session leader and
* not have a controlling tty already.
*/
i... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,801 | static int tiocsetd(struct tty_struct *tty, int __user *p)
{
int ldisc;
int ret;
if (get_user(ldisc, p))
return -EFAULT;
ret = tty_set_ldisc(tty, ldisc);
return ret;
}
| DoS +Info | 0 | static int tiocsetd(struct tty_struct *tty, int __user *p)
{
int ldisc;
int ret;
if (get_user(ldisc, p))
return -EFAULT;
ret = tty_set_ldisc(tty, ldisc);
return ret;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,802 | static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t __user *p)
{
struct pid *pgrp;
pid_t pgrp_nr;
int retval = tty_check_change(real_tty);
if (retval == -EIO)
return -ENOTTY;
if (retval)
return retval;
if (!current->signal->tty ||
(current->signal->tty != real_tty) ||
(r... | DoS +Info | 0 | static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t __user *p)
{
struct pid *pgrp;
pid_t pgrp_nr;
int retval = tty_check_change(real_tty);
if (retval == -EIO)
return -ENOTTY;
if (retval)
return retval;
if (!current->signal->tty ||
(current->signal->tty != real_tty) ||
(r... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,803 | static int tiocsti(struct tty_struct *tty, char __user *p)
{
char ch, mbz = 0;
struct tty_ldisc *ld;
if ((current->signal->tty != tty) && !capable(CAP_SYS_ADMIN))
return -EPERM;
if (get_user(ch, p))
return -EFAULT;
tty_audit_tiocsti(tty, ch);
ld = tty_ldisc_ref_wait(tty);
ld->ops->receive_buf(tty, &ch, &mbz... | DoS +Info | 0 | static int tiocsti(struct tty_struct *tty, char __user *p)
{
char ch, mbz = 0;
struct tty_ldisc *ld;
if ((current->signal->tty != tty) && !capable(CAP_SYS_ADMIN))
return -EPERM;
if (get_user(ch, p))
return -EFAULT;
tty_audit_tiocsti(tty, ch);
ld = tty_ldisc_ref_wait(tty);
ld->ops->receive_buf(tty, &ch, &mbz... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,804 | static int tiocswinsz(struct tty_struct *tty, struct winsize __user *arg)
{
struct winsize tmp_ws;
if (copy_from_user(&tmp_ws, arg, sizeof(*arg)))
return -EFAULT;
if (tty->ops->resize)
return tty->ops->resize(tty, &tmp_ws);
else
return tty_do_resize(tty, &tmp_ws);
}
| DoS +Info | 0 | static int tiocswinsz(struct tty_struct *tty, struct winsize __user *arg)
{
struct winsize tmp_ws;
if (copy_from_user(&tmp_ws, arg, sizeof(*arg)))
return -EFAULT;
if (tty->ops->resize)
return tty->ops->resize(tty, &tmp_ws);
else
return tty_do_resize(tty, &tmp_ws);
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,805 | int tty_alloc_file(struct file *file)
{
struct tty_file_private *priv;
priv = kmalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
file->private_data = priv;
return 0;
}
| DoS +Info | 0 | int tty_alloc_file(struct file *file)
{
struct tty_file_private *priv;
priv = kmalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
file->private_data = priv;
return 0;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,806 | static int tty_cdev_add(struct tty_driver *driver, dev_t dev,
unsigned int index, unsigned int count)
{
int err;
/* init here, since reused cdevs cause crashes */
driver->cdevs[index] = cdev_alloc();
if (!driver->cdevs[index])
return -ENOMEM;
driver->cdevs[index]->ops = &tty_fops;
driver->cdevs[index]->owner... | DoS +Info | 0 | static int tty_cdev_add(struct tty_driver *driver, dev_t dev,
unsigned int index, unsigned int count)
{
int err;
/* init here, since reused cdevs cause crashes */
driver->cdevs[index] = cdev_alloc();
if (!driver->cdevs[index])
return -ENOMEM;
driver->cdevs[index]->ops = &tty_fops;
driver->cdevs[index]->owner... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,807 | int tty_check_change(struct tty_struct *tty)
{
return __tty_check_change(tty, SIGTTOU);
}
| DoS +Info | 0 | int tty_check_change(struct tty_struct *tty)
{
return __tty_check_change(tty, SIGTTOU);
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,808 | static int __init tty_class_init(void)
{
tty_class = class_create(THIS_MODULE, "tty");
if (IS_ERR(tty_class))
return PTR_ERR(tty_class);
tty_class->devnode = tty_devnode;
return 0;
}
| DoS +Info | 0 | static int __init tty_class_init(void)
{
tty_class = class_create(THIS_MODULE, "tty");
if (IS_ERR(tty_class))
return PTR_ERR(tty_class);
tty_class->devnode = tty_devnode;
return 0;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,809 | void tty_default_fops(struct file_operations *fops)
{
*fops = tty_fops;
}
| DoS +Info | 0 | void tty_default_fops(struct file_operations *fops)
{
*fops = tty_fops;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,810 | static void tty_device_create_release(struct device *dev)
{
dev_dbg(dev, "releasing...\n");
kfree(dev);
}
| DoS +Info | 0 | static void tty_device_create_release(struct device *dev)
{
dev_dbg(dev, "releasing...\n");
kfree(dev);
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,811 | static char *tty_devnode(struct device *dev, umode_t *mode)
{
if (!mode)
return NULL;
if (dev->devt == MKDEV(TTYAUX_MAJOR, 0) ||
dev->devt == MKDEV(TTYAUX_MAJOR, 2))
*mode = 0666;
return NULL;
}
| DoS +Info | 0 | static char *tty_devnode(struct device *dev, umode_t *mode)
{
if (!mode)
return NULL;
if (dev->devt == MKDEV(TTYAUX_MAJOR, 0) ||
dev->devt == MKDEV(TTYAUX_MAJOR, 2))
*mode = 0666;
return NULL;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,812 | dev_t tty_devnum(struct tty_struct *tty)
{
return MKDEV(tty->driver->major, tty->driver->minor_start) + tty->index;
}
| DoS +Info | 0 | dev_t tty_devnum(struct tty_struct *tty)
{
return MKDEV(tty->driver->major, tty->driver->minor_start) + tty->index;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,813 | int tty_do_resize(struct tty_struct *tty, struct winsize *ws)
{
struct pid *pgrp;
/* Lock the tty */
mutex_lock(&tty->winsize_mutex);
if (!memcmp(ws, &tty->winsize, sizeof(*ws)))
goto done;
/* Signal the foreground process group */
pgrp = tty_get_pgrp(tty);
if (pgrp)
kill_pgrp(pgrp, SIGWINCH, 1);
put_pid(... | DoS +Info | 0 | int tty_do_resize(struct tty_struct *tty, struct winsize *ws)
{
struct pid *pgrp;
/* Lock the tty */
mutex_lock(&tty->winsize_mutex);
if (!memcmp(ws, &tty->winsize, sizeof(*ws)))
goto done;
/* Signal the foreground process group */
pgrp = tty_get_pgrp(tty);
if (pgrp)
kill_pgrp(pgrp, SIGWINCH, 1);
put_pid(... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,814 | static int tty_driver_install_tty(struct tty_driver *driver,
struct tty_struct *tty)
{
return driver->ops->install ? driver->ops->install(driver, tty) :
tty_standard_install(driver, tty);
}
| DoS +Info | 0 | static int tty_driver_install_tty(struct tty_driver *driver,
struct tty_struct *tty)
{
return driver->ops->install ? driver->ops->install(driver, tty) :
tty_standard_install(driver, tty);
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,815 | void tty_driver_kref_put(struct tty_driver *driver)
{
kref_put(&driver->kref, destruct_tty_driver);
}
| DoS +Info | 0 | void tty_driver_kref_put(struct tty_driver *driver)
{
kref_put(&driver->kref, destruct_tty_driver);
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,816 | static struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver,
struct inode *inode, int idx)
{
struct tty_struct *tty;
if (driver->ops->lookup)
tty = driver->ops->lookup(driver, inode, idx);
else
tty = driver->ttys[idx];
if (!IS_ERR(tty))
tty_kref_get(tty);
return tty;
}
| DoS +Info | 0 | static struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver,
struct inode *inode, int idx)
{
struct tty_struct *tty;
if (driver->ops->lookup)
tty = driver->ops->lookup(driver, inode, idx);
else
tty = driver->ttys[idx];
if (!IS_ERR(tty))
tty_kref_get(tty);
return tty;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,817 | const char *tty_driver_name(const struct tty_struct *tty)
{
if (!tty || !tty->driver)
return "";
return tty->driver->name;
}
| DoS +Info | 0 | const char *tty_driver_name(const struct tty_struct *tty)
{
if (!tty || !tty->driver)
return "";
return tty->driver->name;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,818 | void tty_driver_remove_tty(struct tty_driver *driver, struct tty_struct *tty)
{
if (driver->ops->remove)
driver->ops->remove(driver, tty);
else
driver->ttys[tty->index] = NULL;
}
| DoS +Info | 0 | void tty_driver_remove_tty(struct tty_driver *driver, struct tty_struct *tty)
{
if (driver->ops->remove)
driver->ops->remove(driver, tty);
else
driver->ttys[tty->index] = NULL;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,819 | static int tty_fasync(int fd, struct file *filp, int on)
{
struct tty_struct *tty = file_tty(filp);
int retval;
tty_lock(tty);
retval = __tty_fasync(fd, filp, on);
tty_unlock(tty);
return retval;
}
| DoS +Info | 0 | static int tty_fasync(int fd, struct file *filp, int on)
{
struct tty_struct *tty = file_tty(filp);
int retval;
tty_lock(tty);
retval = __tty_fasync(fd, filp, on);
tty_unlock(tty);
return retval;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,820 | struct tty_driver *tty_find_polling_driver(char *name, int *line)
{
struct tty_driver *p, *res = NULL;
int tty_line = 0;
int len;
char *str, *stp;
for (str = name; *str; str++)
if ((*str >= '0' && *str <= '9') || *str == ',')
break;
if (!*str)
return NULL;
len = str - name;
tty_line = simple_strtoul(st... | DoS +Info | 0 | struct tty_driver *tty_find_polling_driver(char *name, int *line)
{
struct tty_driver *p, *res = NULL;
int tty_line = 0;
int len;
char *str, *stp;
for (str = name; *str; str++)
if ((*str >= '0' && *str <= '9') || *str == ',')
break;
if (!*str)
return NULL;
len = str - name;
tty_line = simple_strtoul(st... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,821 | void tty_free_file(struct file *file)
{
struct tty_file_private *priv = file->private_data;
file->private_data = NULL;
kfree(priv);
}
| DoS +Info | 0 | void tty_free_file(struct file *file)
{
struct tty_file_private *priv = file->private_data;
file->private_data = NULL;
kfree(priv);
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,822 | struct pid *tty_get_pgrp(struct tty_struct *tty)
{
unsigned long flags;
struct pid *pgrp;
spin_lock_irqsave(&tty->ctrl_lock, flags);
pgrp = get_pid(tty->pgrp);
spin_unlock_irqrestore(&tty->ctrl_lock, flags);
return pgrp;
}
| DoS +Info | 0 | struct pid *tty_get_pgrp(struct tty_struct *tty)
{
unsigned long flags;
struct pid *pgrp;
spin_lock_irqsave(&tty->ctrl_lock, flags);
pgrp = get_pid(tty->pgrp);
spin_unlock_irqrestore(&tty->ctrl_lock, flags);
return pgrp;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,823 | void tty_hangup(struct tty_struct *tty)
{
tty_debug_hangup(tty, "hangup\n");
schedule_work(&tty->hangup_work);
}
| DoS +Info | 0 | void tty_hangup(struct tty_struct *tty)
{
tty_debug_hangup(tty, "hangup\n");
schedule_work(&tty->hangup_work);
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,824 | int tty_hung_up_p(struct file *filp)
{
return (filp->f_op == &hung_up_tty_fops);
}
| DoS +Info | 0 | int tty_hung_up_p(struct file *filp)
{
return (filp->f_op == &hung_up_tty_fops);
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,825 | int __init tty_init(void)
{
cdev_init(&tty_cdev, &tty_fops);
if (cdev_add(&tty_cdev, MKDEV(TTYAUX_MAJOR, 0), 1) ||
register_chrdev_region(MKDEV(TTYAUX_MAJOR, 0), 1, "/dev/tty") < 0)
panic("Couldn't register /dev/tty driver\n");
device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 0), NULL, "tty");
cdev_init(&... | DoS +Info | 0 | int __init tty_init(void)
{
cdev_init(&tty_cdev, &tty_fops);
if (cdev_add(&tty_cdev, MKDEV(TTYAUX_MAJOR, 0), 1) ||
register_chrdev_region(MKDEV(TTYAUX_MAJOR, 0), 1, "/dev/tty") < 0)
panic("Couldn't register /dev/tty driver\n");
device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 0), NULL, "tty");
cdev_init(&... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,826 | struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx)
{
struct tty_struct *tty;
int retval;
/*
* First time open is complex, especially for PTY devices.
* This code guarantees that either everything succeeds and the
* TTY is ready for operation, or else the table slots are vacated
* and the al... | DoS +Info | 0 | struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx)
{
struct tty_struct *tty;
int retval;
/*
* First time open is complex, especially for PTY devices.
* This code guarantees that either everything succeeds and the
* TTY is ready for operation, or else the table slots are vacated
* and the al... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,827 | int tty_init_termios(struct tty_struct *tty)
{
struct ktermios *tp;
int idx = tty->index;
if (tty->driver->flags & TTY_DRIVER_RESET_TERMIOS)
tty->termios = tty->driver->init_termios;
else {
/* Check for lazy saved data */
tp = tty->driver->termios[idx];
if (tp != NULL)
tty->termios = *tp;
else
tty-... | DoS +Info | 0 | int tty_init_termios(struct tty_struct *tty)
{
struct ktermios *tp;
int idx = tty->index;
if (tty->driver->flags & TTY_DRIVER_RESET_TERMIOS)
tty->termios = tty->driver->init_termios;
else {
/* Check for lazy saved data */
tp = tty->driver->termios[idx];
if (tp != NULL)
tty->termios = *tp;
else
tty-... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,828 | void tty_kref_put(struct tty_struct *tty)
{
if (tty)
kref_put(&tty->kref, queue_release_one_tty);
}
| DoS +Info | 0 | void tty_kref_put(struct tty_struct *tty)
{
if (tty)
kref_put(&tty->kref, queue_release_one_tty);
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,829 | static ssize_t tty_line_name(struct tty_driver *driver, int index, char *p)
{
if (driver->flags & TTY_DRIVER_UNNUMBERED_NODE)
return sprintf(p, "%s", driver->name);
else
return sprintf(p, "%s%d", driver->name,
index + driver->name_base);
}
| DoS +Info | 0 | static ssize_t tty_line_name(struct tty_driver *driver, int index, char *p)
{
if (driver->flags & TTY_DRIVER_UNNUMBERED_NODE)
return sprintf(p, "%s", driver->name);
else
return sprintf(p, "%s%d", driver->name,
index + driver->name_base);
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,830 | static struct tty_driver *tty_lookup_driver(dev_t device, struct file *filp,
int *noctty, int *index)
{
struct tty_driver *driver;
switch (device) {
#ifdef CONFIG_VT
case MKDEV(TTY_MAJOR, 0): {
extern struct tty_driver *console_driver;
driver = tty_driver_kref_get(console_driver);
*index = fg_console;
*no... | DoS +Info | 0 | static struct tty_driver *tty_lookup_driver(dev_t device, struct file *filp,
int *noctty, int *index)
{
struct tty_driver *driver;
switch (device) {
#ifdef CONFIG_VT
case MKDEV(TTY_MAJOR, 0): {
extern struct tty_driver *console_driver;
driver = tty_driver_kref_get(console_driver);
*index = fg_console;
*no... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,831 | const char *tty_name(const struct tty_struct *tty)
{
if (!tty) /* Hmm. NULL pointer. That's fun. */
return "NULL tty";
return tty->name;
}
| DoS +Info | 0 | const char *tty_name(const struct tty_struct *tty)
{
if (!tty) /* Hmm. NULL pointer. That's fun. */
return "NULL tty";
return tty->name;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,832 | static int tty_open(struct inode *inode, struct file *filp)
{
struct tty_struct *tty;
int noctty, retval;
struct tty_driver *driver = NULL;
int index;
dev_t device = inode->i_rdev;
unsigned saved_flags = filp->f_flags;
nonseekable_open(inode, filp);
retry_open:
retval = tty_alloc_file(filp);
if (retval)
re... | DoS +Info | 0 | static int tty_open(struct inode *inode, struct file *filp)
{
struct tty_struct *tty;
int noctty, retval;
struct tty_driver *driver = NULL;
int index;
dev_t device = inode->i_rdev;
unsigned saved_flags = filp->f_flags;
nonseekable_open(inode, filp);
retry_open:
retval = tty_alloc_file(filp);
if (retval)
re... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,833 | static struct tty_struct *tty_open_current_tty(dev_t device, struct file *filp)
{
struct tty_struct *tty;
int retval;
if (device != MKDEV(TTYAUX_MAJOR, 0))
return NULL;
tty = get_current_tty();
if (!tty)
return ERR_PTR(-ENXIO);
filp->f_flags |= O_NONBLOCK; /* Don't let /dev/tty block */
/* noctty = 1; */
... | DoS +Info | 0 | static struct tty_struct *tty_open_current_tty(dev_t device, struct file *filp)
{
struct tty_struct *tty;
int retval;
if (device != MKDEV(TTYAUX_MAJOR, 0))
return NULL;
tty = get_current_tty();
if (!tty)
return ERR_PTR(-ENXIO);
filp->f_flags |= O_NONBLOCK; /* Don't let /dev/tty block */
/* noctty = 1; */
... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,834 | static struct tty_struct *tty_pair_get_tty(struct tty_struct *tty)
{
if (tty->driver->type == TTY_DRIVER_TYPE_PTY &&
tty->driver->subtype == PTY_TYPE_MASTER)
tty = tty->link;
return tty;
}
| DoS +Info | 0 | static struct tty_struct *tty_pair_get_tty(struct tty_struct *tty)
{
if (tty->driver->type == TTY_DRIVER_TYPE_PTY &&
tty->driver->subtype == PTY_TYPE_MASTER)
tty = tty->link;
return tty;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,835 | static int tty_paranoia_check(struct tty_struct *tty, struct inode *inode,
const char *routine)
{
#ifdef TTY_PARANOIA_CHECK
if (!tty) {
pr_warn("(%d:%d): %s: NULL tty\n",
imajor(inode), iminor(inode), routine);
return 1;
}
if (tty->magic != TTY_MAGIC) {
pr_warn("(%d:%d): %s: bad magic number\n",
... | DoS +Info | 0 | static int tty_paranoia_check(struct tty_struct *tty, struct inode *inode,
const char *routine)
{
#ifdef TTY_PARANOIA_CHECK
if (!tty) {
pr_warn("(%d:%d): %s: NULL tty\n",
imajor(inode), iminor(inode), routine);
return 1;
}
if (tty->magic != TTY_MAGIC) {
pr_warn("(%d:%d): %s: bad magic number\n",
... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,836 | int tty_put_char(struct tty_struct *tty, unsigned char ch)
{
if (tty->ops->put_char)
return tty->ops->put_char(tty, ch);
return tty->ops->write(tty, &ch, 1);
}
| DoS +Info | 0 | int tty_put_char(struct tty_struct *tty, unsigned char ch)
{
if (tty->ops->put_char)
return tty->ops->put_char(tty, ch);
return tty->ops->write(tty, &ch, 1);
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,837 | static ssize_t tty_read(struct file *file, char __user *buf, size_t count,
loff_t *ppos)
{
int i;
struct inode *inode = file_inode(file);
struct tty_struct *tty = file_tty(file);
struct tty_ldisc *ld;
if (tty_paranoia_check(tty, inode, "tty_read"))
return -EIO;
if (!tty || (test_bit(TTY_IO_ERROR, &tty->flag... | DoS +Info | 0 | static ssize_t tty_read(struct file *file, char __user *buf, size_t count,
loff_t *ppos)
{
int i;
struct inode *inode = file_inode(file);
struct tty_struct *tty = file_tty(file);
struct tty_ldisc *ld;
if (tty_paranoia_check(tty, inode, "tty_read"))
return -EIO;
if (!tty || (test_bit(TTY_IO_ERROR, &tty->flag... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,838 | struct device *tty_register_device(struct tty_driver *driver, unsigned index,
struct device *device)
{
return tty_register_device_attr(driver, index, device, NULL, NULL);
}
| DoS +Info | 0 | struct device *tty_register_device(struct tty_driver *driver, unsigned index,
struct device *device)
{
return tty_register_device_attr(driver, index, device, NULL, NULL);
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,839 | int tty_register_driver(struct tty_driver *driver)
{
int error;
int i;
dev_t dev;
struct device *d;
if (!driver->major) {
error = alloc_chrdev_region(&dev, driver->minor_start,
driver->num, driver->name);
if (!error) {
driver->major = MAJOR(dev);
driver->minor_start = MINOR(dev);
}
} else {
d... | DoS +Info | 0 | int tty_register_driver(struct tty_driver *driver)
{
int error;
int i;
dev_t dev;
struct device *d;
if (!driver->major) {
error = alloc_chrdev_region(&dev, driver->minor_start,
driver->num, driver->name);
if (!error) {
driver->major = MAJOR(dev);
driver->minor_start = MINOR(dev);
}
} else {
d... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,840 | int tty_release(struct inode *inode, struct file *filp)
{
struct tty_struct *tty = file_tty(filp);
struct tty_struct *o_tty = NULL;
int do_sleep, final;
int idx;
long timeout = 0;
int once = 1;
if (tty_paranoia_check(tty, inode, __func__))
return 0;
tty_lock(tty);
check_tty_count(tty, __func__);
__tty_fa... | DoS +Info | 0 | int tty_release(struct inode *inode, struct file *filp)
{
struct tty_struct *tty = file_tty(filp);
struct tty_struct *o_tty = NULL;
int do_sleep, final;
int idx;
long timeout = 0;
int once = 1;
if (tty_paranoia_check(tty, inode, __func__))
return 0;
tty_lock(tty);
check_tty_count(tty, __func__);
__tty_fa... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,841 | static int tty_release_checks(struct tty_struct *tty, int idx)
{
#ifdef TTY_PARANOIA_CHECK
if (idx < 0 || idx >= tty->driver->num) {
tty_debug(tty, "bad idx %d\n", idx);
return -1;
}
/* not much to check for devpts */
if (tty->driver->flags & TTY_DRIVER_DEVPTS_MEM)
return 0;
if (tty != tty->driver->ttys[id... | DoS +Info | 0 | static int tty_release_checks(struct tty_struct *tty, int idx)
{
#ifdef TTY_PARANOIA_CHECK
if (idx < 0 || idx >= tty->driver->num) {
tty_debug(tty, "bad idx %d\n", idx);
return -1;
}
/* not much to check for devpts */
if (tty->driver->flags & TTY_DRIVER_DEVPTS_MEM)
return 0;
if (tty != tty->driver->ttys[id... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,842 | static int tty_reopen(struct tty_struct *tty)
{
struct tty_driver *driver = tty->driver;
if (driver->type == TTY_DRIVER_TYPE_PTY &&
driver->subtype == PTY_TYPE_MASTER)
return -EIO;
if (!tty->count)
return -EAGAIN;
if (test_bit(TTY_EXCLUSIVE, &tty->flags) && !capable(CAP_SYS_ADMIN))
return -EBUSY;
tt... | DoS +Info | 0 | static int tty_reopen(struct tty_struct *tty)
{
struct tty_driver *driver = tty->driver;
if (driver->type == TTY_DRIVER_TYPE_PTY &&
driver->subtype == PTY_TYPE_MASTER)
return -EIO;
if (!tty->count)
return -EAGAIN;
if (test_bit(TTY_EXCLUSIVE, &tty->flags) && !capable(CAP_SYS_ADMIN))
return -EBUSY;
tt... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,843 | int tty_send_xchar(struct tty_struct *tty, char ch)
{
int was_stopped = tty->stopped;
if (tty->ops->send_xchar) {
down_read(&tty->termios_rwsem);
tty->ops->send_xchar(tty, ch);
up_read(&tty->termios_rwsem);
return 0;
}
if (tty_write_lock(tty, 0) < 0)
return -ERESTARTSYS;
down_read(&tty->termios_rwsem)... | DoS +Info | 0 | int tty_send_xchar(struct tty_struct *tty, char ch)
{
int was_stopped = tty->stopped;
if (tty->ops->send_xchar) {
down_read(&tty->termios_rwsem);
tty->ops->send_xchar(tty, ch);
up_read(&tty->termios_rwsem);
return 0;
}
if (tty_write_lock(tty, 0) < 0)
return -ERESTARTSYS;
down_read(&tty->termios_rwsem)... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,844 | static int tty_signal_session_leader(struct tty_struct *tty, int exit_session)
{
struct task_struct *p;
int refs = 0;
struct pid *tty_pgrp = NULL;
read_lock(&tasklist_lock);
if (tty->session) {
do_each_pid_task(tty->session, PIDTYPE_SID, p) {
spin_lock_irq(&p->sighand->siglock);
if (p->signal->tty == tty)... | DoS +Info | 0 | static int tty_signal_session_leader(struct tty_struct *tty, int exit_session)
{
struct task_struct *p;
int refs = 0;
struct pid *tty_pgrp = NULL;
read_lock(&tasklist_lock);
if (tty->session) {
do_each_pid_task(tty->session, PIDTYPE_SID, p) {
spin_lock_irq(&p->sighand->siglock);
if (p->signal->tty == tty)... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,845 | int tty_standard_install(struct tty_driver *driver, struct tty_struct *tty)
{
int ret = tty_init_termios(tty);
if (ret)
return ret;
tty_driver_kref_get(driver);
tty->count++;
driver->ttys[tty->index] = tty;
return 0;
}
| DoS +Info | 0 | int tty_standard_install(struct tty_driver *driver, struct tty_struct *tty)
{
int ret = tty_init_termios(tty);
if (ret)
return ret;
tty_driver_kref_get(driver);
tty->count++;
driver->ttys[tty->index] = tty;
return 0;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,846 | static int tty_tiocgicount(struct tty_struct *tty, void __user *arg)
{
int retval = -EINVAL;
struct serial_icounter_struct icount;
memset(&icount, 0, sizeof(icount));
if (tty->ops->get_icount)
retval = tty->ops->get_icount(tty, &icount);
if (retval != 0)
return retval;
if (copy_to_user(arg, &icount, sizeof(ic... | DoS +Info | 0 | static int tty_tiocgicount(struct tty_struct *tty, void __user *arg)
{
int retval = -EINVAL;
struct serial_icounter_struct icount;
memset(&icount, 0, sizeof(icount));
if (tty->ops->get_icount)
retval = tty->ops->get_icount(tty, &icount);
if (retval != 0)
return retval;
if (copy_to_user(arg, &icount, sizeof(ic... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,847 | static int tty_tiocmget(struct tty_struct *tty, int __user *p)
{
int retval = -EINVAL;
if (tty->ops->tiocmget) {
retval = tty->ops->tiocmget(tty);
if (retval >= 0)
retval = put_user(retval, p);
}
return retval;
}
| DoS +Info | 0 | static int tty_tiocmget(struct tty_struct *tty, int __user *p)
{
int retval = -EINVAL;
if (tty->ops->tiocmget) {
retval = tty->ops->tiocmget(tty);
if (retval >= 0)
retval = put_user(retval, p);
}
return retval;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,848 | static int tty_tiocmset(struct tty_struct *tty, unsigned int cmd,
unsigned __user *p)
{
int retval;
unsigned int set, clear, val;
if (tty->ops->tiocmset == NULL)
return -EINVAL;
retval = get_user(val, p);
if (retval)
return retval;
set = clear = 0;
switch (cmd) {
case TIOCMBIS:
set = val;
break;... | DoS +Info | 0 | static int tty_tiocmset(struct tty_struct *tty, unsigned int cmd,
unsigned __user *p)
{
int retval;
unsigned int set, clear, val;
if (tty->ops->tiocmset == NULL)
return -EINVAL;
retval = get_user(val, p);
if (retval)
return retval;
set = clear = 0;
switch (cmd) {
case TIOCMBIS:
set = val;
break;... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,849 | void tty_unregister_device(struct tty_driver *driver, unsigned index)
{
device_destroy(tty_class,
MKDEV(driver->major, driver->minor_start) + index);
if (!(driver->flags & TTY_DRIVER_DYNAMIC_ALLOC)) {
cdev_del(driver->cdevs[index]);
driver->cdevs[index] = NULL;
}
}
| DoS +Info | 0 | void tty_unregister_device(struct tty_driver *driver, unsigned index)
{
device_destroy(tty_class,
MKDEV(driver->major, driver->minor_start) + index);
if (!(driver->flags & TTY_DRIVER_DYNAMIC_ALLOC)) {
cdev_del(driver->cdevs[index]);
driver->cdevs[index] = NULL;
}
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,850 | int tty_unregister_driver(struct tty_driver *driver)
{
#if 0
/* FIXME */
if (driver->refcount)
return -EBUSY;
#endif
unregister_chrdev_region(MKDEV(driver->major, driver->minor_start),
driver->num);
mutex_lock(&tty_mutex);
list_del(&driver->tty_drivers);
mutex_unlock(&tty_mutex);
return 0;
}
| DoS +Info | 0 | int tty_unregister_driver(struct tty_driver *driver)
{
#if 0
/* FIXME */
if (driver->refcount)
return -EBUSY;
#endif
unregister_chrdev_region(MKDEV(driver->major, driver->minor_start),
driver->num);
mutex_lock(&tty_mutex);
list_del(&driver->tty_drivers);
mutex_unlock(&tty_mutex);
return 0;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,851 | static void tty_update_time(struct timespec *time)
{
unsigned long sec = get_seconds();
/*
* We only care if the two values differ in anything other than the
* lower three bits (i.e every 8 seconds). If so, then we can update
* the time of the tty device, otherwise it could be construded as a
* security lea... | DoS +Info | 0 | static void tty_update_time(struct timespec *time)
{
unsigned long sec = get_seconds();
/*
* We only care if the two values differ in anything other than the
* lower three bits (i.e every 8 seconds). If so, then we can update
* the time of the tty device, otherwise it could be construded as a
* security lea... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,852 | void tty_vhangup(struct tty_struct *tty)
{
tty_debug_hangup(tty, "vhangup\n");
__tty_hangup(tty, 0);
}
| DoS +Info | 0 | void tty_vhangup(struct tty_struct *tty)
{
tty_debug_hangup(tty, "vhangup\n");
__tty_hangup(tty, 0);
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,853 | void tty_vhangup_self(void)
{
struct tty_struct *tty;
tty = get_current_tty();
if (tty) {
tty_vhangup(tty);
tty_kref_put(tty);
}
}
| DoS +Info | 0 | void tty_vhangup_self(void)
{
struct tty_struct *tty;
tty = get_current_tty();
if (tty) {
tty_vhangup(tty);
tty_kref_put(tty);
}
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,854 | static void tty_vhangup_session(struct tty_struct *tty)
{
tty_debug_hangup(tty, "session hangup\n");
__tty_hangup(tty, 1);
}
| DoS +Info | 0 | static void tty_vhangup_session(struct tty_struct *tty)
{
tty_debug_hangup(tty, "session hangup\n");
__tty_hangup(tty, 1);
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,855 | static void tty_warn_deprecated_flags(struct serial_struct __user *ss)
{
static DEFINE_RATELIMIT_STATE(depr_flags,
DEFAULT_RATELIMIT_INTERVAL,
DEFAULT_RATELIMIT_BURST);
char comm[TASK_COMM_LEN];
int flags;
if (get_user(flags, &ss->flags))
return;
flags &= ASYNC_DEPRECATED;
if (flags && __ratelimit(&dep... | DoS +Info | 0 | static void tty_warn_deprecated_flags(struct serial_struct __user *ss)
{
static DEFINE_RATELIMIT_STATE(depr_flags,
DEFAULT_RATELIMIT_INTERVAL,
DEFAULT_RATELIMIT_BURST);
char comm[TASK_COMM_LEN];
int flags;
if (get_user(flags, &ss->flags))
return;
flags &= ASYNC_DEPRECATED;
if (flags && __ratelimit(&dep... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,856 | static ssize_t tty_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
struct tty_struct *tty = file_tty(file);
struct tty_ldisc *ld;
ssize_t ret;
if (tty_paranoia_check(tty, file_inode(file), "tty_write"))
return -EIO;
if (!tty || !tty->ops->write ||
(test_bit(TTY_IO_ERROR, ... | DoS +Info | 0 | static ssize_t tty_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
struct tty_struct *tty = file_tty(file);
struct tty_ldisc *ld;
ssize_t ret;
if (tty_paranoia_check(tty, file_inode(file), "tty_write"))
return -EIO;
if (!tty || !tty->ops->write ||
(test_bit(TTY_IO_ERROR, ... | @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,857 | static int tty_write_lock(struct tty_struct *tty, int ndelay)
{
if (!mutex_trylock(&tty->atomic_write_lock)) {
if (ndelay)
return -EAGAIN;
if (mutex_lock_interruptible(&tty->atomic_write_lock))
return -ERESTARTSYS;
}
return 0;
}
| DoS +Info | 0 | static int tty_write_lock(struct tty_struct *tty, int ndelay)
{
if (!mutex_trylock(&tty->atomic_write_lock)) {
if (ndelay)
return -EAGAIN;
if (mutex_lock_interruptible(&tty->atomic_write_lock))
return -ERESTARTSYS;
}
return 0;
}
| @@ -2658,6 +2658,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
return ret;
}
+/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line di... | CWE-362 | null | null |
44,858 | static int skcipher_all_sg_nents(struct skcipher_ctx *ctx)
{
struct skcipher_sg_list *sgl;
struct scatterlist *sg;
int nents = 0;
list_for_each_entry(sgl, &ctx->tsgl, list) {
sg = sgl->sg;
while (!sg->length)
sg++;
nents += sg_nents(sg);
}
return nents;
}
| DoS | 0 | static int skcipher_all_sg_nents(struct skcipher_ctx *ctx)
{
struct skcipher_sg_list *sgl;
struct scatterlist *sg;
int nents = 0;
list_for_each_entry(sgl, &ctx->tsgl, list) {
sg = sgl->sg;
while (!sg->length)
sg++;
nents += sg_nents(sg);
}
return nents;
}
| @@ -31,6 +31,11 @@ struct skcipher_sg_list {
struct scatterlist sg[0];
};
+struct skcipher_tfm {
+ struct crypto_skcipher *skcipher;
+ bool has_key;
+};
+
struct skcipher_ctx {
struct list_head tsgl;
struct af_alg_sgl rsgl;
@@ -750,17 +755,41 @@ static struct proto_ops algif_skcipher_ops = {
static void *s... | CWE-476 | null | null |
44,859 | static int skcipher_alloc_sgl(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct skcipher_sg_list *sgl;
struct scatterlist *sg = NULL;
sgl = list_entry(ctx->tsgl.prev, struct skcipher_sg_list, list);
if (!list_empty(&ctx->tsgl))
sg = sgl->sg;
if (!sg || sgl-... | DoS | 0 | static int skcipher_alloc_sgl(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct skcipher_sg_list *sgl;
struct scatterlist *sg = NULL;
sgl = list_entry(ctx->tsgl.prev, struct skcipher_sg_list, list);
if (!list_empty(&ctx->tsgl))
sg = sgl->sg;
if (!sg || sgl-... | @@ -31,6 +31,11 @@ struct skcipher_sg_list {
struct scatterlist sg[0];
};
+struct skcipher_tfm {
+ struct crypto_skcipher *skcipher;
+ bool has_key;
+};
+
struct skcipher_ctx {
struct list_head tsgl;
struct af_alg_sgl rsgl;
@@ -750,17 +755,41 @@ static struct proto_ops algif_skcipher_ops = {
static void *s... | CWE-476 | null | null |
44,860 | static void skcipher_async_cb(struct crypto_async_request *req, int err)
{
struct sock *sk = req->data;
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct skcipher_async_req *sreq = GET_SREQ(req, ctx);
struct kiocb *iocb = sreq->iocb;
atomic_dec(&ctx->inflight);
skcipher_free_asy... | DoS | 0 | static void skcipher_async_cb(struct crypto_async_request *req, int err)
{
struct sock *sk = req->data;
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct skcipher_async_req *sreq = GET_SREQ(req, ctx);
struct kiocb *iocb = sreq->iocb;
atomic_dec(&ctx->inflight);
skcipher_free_asy... | @@ -31,6 +31,11 @@ struct skcipher_sg_list {
struct scatterlist sg[0];
};
+struct skcipher_tfm {
+ struct crypto_skcipher *skcipher;
+ bool has_key;
+};
+
struct skcipher_ctx {
struct list_head tsgl;
struct af_alg_sgl rsgl;
@@ -750,17 +755,41 @@ static struct proto_ops algif_skcipher_ops = {
static void *s... | CWE-476 | null | null |
44,861 | static void skcipher_pull_sgl(struct sock *sk, size_t used, int put)
{
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct skcipher_sg_list *sgl;
struct scatterlist *sg;
int i;
while (!list_empty(&ctx->tsgl)) {
sgl = list_first_entry(&ctx->tsgl, struct skcipher_sg_list,
... | DoS | 0 | static void skcipher_pull_sgl(struct sock *sk, size_t used, int put)
{
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct skcipher_sg_list *sgl;
struct scatterlist *sg;
int i;
while (!list_empty(&ctx->tsgl)) {
sgl = list_first_entry(&ctx->tsgl, struct skcipher_sg_list,
... | @@ -31,6 +31,11 @@ struct skcipher_sg_list {
struct scatterlist sg[0];
};
+struct skcipher_tfm {
+ struct crypto_skcipher *skcipher;
+ bool has_key;
+};
+
struct skcipher_ctx {
struct list_head tsgl;
struct af_alg_sgl rsgl;
@@ -750,17 +755,41 @@ static struct proto_ops algif_skcipher_ops = {
static void *s... | CWE-476 | null | null |
44,862 | static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg,
int flags)
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct skcipher_sg_list *sgl;
struct scatterlist *sg;
struct skcipher_async_req *sreq;
struct skcipher_request *req... | DoS | 0 | static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg,
int flags)
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct skcipher_sg_list *sgl;
struct scatterlist *sg;
struct skcipher_async_req *sreq;
struct skcipher_request *req... | @@ -31,6 +31,11 @@ struct skcipher_sg_list {
struct scatterlist sg[0];
};
+struct skcipher_tfm {
+ struct crypto_skcipher *skcipher;
+ bool has_key;
+};
+
struct skcipher_ctx {
struct list_head tsgl;
struct af_alg_sgl rsgl;
@@ -750,17 +755,41 @@ static struct proto_ops algif_skcipher_ops = {
static void *s... | CWE-476 | null | null |
44,863 | static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg,
int flags)
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
unsigned bs = crypto_skcipher_blocksize(crypto_skcipher_reqtfm(
&ctx->req));
struct skcipher_sg_list *sgl;
struct sc... | DoS | 0 | static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg,
int flags)
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
unsigned bs = crypto_skcipher_blocksize(crypto_skcipher_reqtfm(
&ctx->req));
struct skcipher_sg_list *sgl;
struct sc... | @@ -31,6 +31,11 @@ struct skcipher_sg_list {
struct scatterlist sg[0];
};
+struct skcipher_tfm {
+ struct crypto_skcipher *skcipher;
+ bool has_key;
+};
+
struct skcipher_ctx {
struct list_head tsgl;
struct af_alg_sgl rsgl;
@@ -750,17 +755,41 @@ static struct proto_ops algif_skcipher_ops = {
static void *s... | CWE-476 | null | null |
44,864 | static int skcipher_sendmsg(struct socket *sock, struct msghdr *msg,
size_t size)
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(&ctx->req);
unsigned ivsize = crypto_skcipher_ivsize(tfm);
struct ... | DoS | 0 | static int skcipher_sendmsg(struct socket *sock, struct msghdr *msg,
size_t size)
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(&ctx->req);
unsigned ivsize = crypto_skcipher_ivsize(tfm);
struct ... | @@ -31,6 +31,11 @@ struct skcipher_sg_list {
struct scatterlist sg[0];
};
+struct skcipher_tfm {
+ struct crypto_skcipher *skcipher;
+ bool has_key;
+};
+
struct skcipher_ctx {
struct list_head tsgl;
struct af_alg_sgl rsgl;
@@ -750,17 +755,41 @@ static struct proto_ops algif_skcipher_ops = {
static void *s... | CWE-476 | null | null |
44,865 | static ssize_t skcipher_sendpage(struct socket *sock, struct page *page,
int offset, size_t size, int flags)
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct skcipher_sg_list *sgl;
int err = -EINVAL;
if (flags & MSG_SENDPAGE_NOTLAST)
flags |=... | DoS | 0 | static ssize_t skcipher_sendpage(struct socket *sock, struct page *page,
int offset, size_t size, int flags)
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct skcipher_sg_list *sgl;
int err = -EINVAL;
if (flags & MSG_SENDPAGE_NOTLAST)
flags |=... | @@ -31,6 +31,11 @@ struct skcipher_sg_list {
struct scatterlist sg[0];
};
+struct skcipher_tfm {
+ struct crypto_skcipher *skcipher;
+ bool has_key;
+};
+
struct skcipher_ctx {
struct list_head tsgl;
struct af_alg_sgl rsgl;
@@ -750,17 +755,41 @@ static struct proto_ops algif_skcipher_ops = {
static void *s... | CWE-476 | null | null |
44,866 | static void skcipher_sock_destruct(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(&ctx->req);
if (atomic_read(&ctx->inflight))
skcipher_wait(sk);
skcipher_free_sgl(sk);
sock_kzfree_s(sk, ctx->iv, crypto_skciph... | DoS | 0 | static void skcipher_sock_destruct(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(&ctx->req);
if (atomic_read(&ctx->inflight))
skcipher_wait(sk);
skcipher_free_sgl(sk);
sock_kzfree_s(sk, ctx->iv, crypto_skciph... | @@ -31,6 +31,11 @@ struct skcipher_sg_list {
struct scatterlist sg[0];
};
+struct skcipher_tfm {
+ struct crypto_skcipher *skcipher;
+ bool has_key;
+};
+
struct skcipher_ctx {
struct list_head tsgl;
struct af_alg_sgl rsgl;
@@ -750,17 +755,41 @@ static struct proto_ops algif_skcipher_ops = {
static void *s... | CWE-476 | null | null |
44,867 | static void skcipher_wait(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
int ctr = 0;
while (atomic_read(&ctx->inflight) && ctr++ < 100)
msleep(100);
}
| DoS | 0 | static void skcipher_wait(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
int ctr = 0;
while (atomic_read(&ctx->inflight) && ctr++ < 100)
msleep(100);
}
| @@ -31,6 +31,11 @@ struct skcipher_sg_list {
struct scatterlist sg[0];
};
+struct skcipher_tfm {
+ struct crypto_skcipher *skcipher;
+ bool has_key;
+};
+
struct skcipher_ctx {
struct list_head tsgl;
struct af_alg_sgl rsgl;
@@ -750,17 +755,41 @@ static struct proto_ops algif_skcipher_ops = {
static void *s... | CWE-476 | null | null |
44,868 | static int skcipher_wait_for_data(struct sock *sk, unsigned flags)
{
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
long timeout;
DEFINE_WAIT(wait);
int err = -ERESTARTSYS;
if (flags & MSG_DONTWAIT) {
return -EAGAIN;
}
sk_set_bit(SOCKWQ_ASYNC_WAITDATA, sk);
for (;;) {
if (si... | DoS | 0 | static int skcipher_wait_for_data(struct sock *sk, unsigned flags)
{
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
long timeout;
DEFINE_WAIT(wait);
int err = -ERESTARTSYS;
if (flags & MSG_DONTWAIT) {
return -EAGAIN;
}
sk_set_bit(SOCKWQ_ASYNC_WAITDATA, sk);
for (;;) {
if (si... | @@ -31,6 +31,11 @@ struct skcipher_sg_list {
struct scatterlist sg[0];
};
+struct skcipher_tfm {
+ struct crypto_skcipher *skcipher;
+ bool has_key;
+};
+
struct skcipher_ctx {
struct list_head tsgl;
struct af_alg_sgl rsgl;
@@ -750,17 +755,41 @@ static struct proto_ops algif_skcipher_ops = {
static void *s... | CWE-476 | null | null |
44,869 | asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, off_t off)
{
if (offset_in_page(off) != 0)
return -EINVAL;
return sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
}
| +Priv Bypass | 0 | asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, off_t off)
{
if (offset_in_page(off) != 0)
return -EINVAL;
return sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
}
| @@ -49,7 +49,7 @@ asmlinkage long sys_rt_sigreturn_wrapper(void);
* The sys_call_table array must be 4K aligned to be accessible from
* kernel/entry.S.
*/
-void *sys_call_table[__NR_syscalls] __aligned(4096) = {
+void * const sys_call_table[__NR_syscalls] __aligned(4096) = {
[0 ... __NR_syscalls - 1] = sys_ni_s... | CWE-264 | null | null |
44,870 | static long cp_oldabi_stat64(struct kstat *stat,
struct oldabi_stat64 __user *statbuf)
{
struct oldabi_stat64 tmp;
tmp.st_dev = huge_encode_dev(stat->dev);
tmp.__pad1 = 0;
tmp.__st_ino = stat->ino;
tmp.st_mode = stat->mode;
tmp.st_nlink = stat->nlink;
tmp.st_uid = from_kuid_munged(current_user_ns(), sta... | +Priv | 0 | static long cp_oldabi_stat64(struct kstat *stat,
struct oldabi_stat64 __user *statbuf)
{
struct oldabi_stat64 tmp;
tmp.st_dev = huge_encode_dev(stat->dev);
tmp.__pad1 = 0;
tmp.__st_ino = stat->ino;
tmp.st_mode = stat->mode;
tmp.st_nlink = stat->nlink;
tmp.st_uid = from_kuid_munged(current_user_ns(), sta... | @@ -193,55 +193,56 @@ struct oabi_flock64 {
pid_t l_pid;
} __attribute__ ((packed,aligned(4)));
-asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
+static long do_locks(unsigned int fd, unsigned int cmd,
unsigned long arg)
{
- struct oabi_flock64 user;
struct flock64 kernel;
- mm_segment... | CWE-264 | null | null |
44,871 | asmlinkage long sys_oabi_semtimedop(int semid,
struct oabi_sembuf __user *tsops,
unsigned nsops,
const struct timespec __user *timeout)
{
struct sembuf *sops;
struct timespec local_timeout;
long err;
int i;
if (nsops < 1 || nsops > SEMOPM)
return -EINVAL;
sops = kmalloc(sizeof(*sops) * ... | +Priv | 0 | asmlinkage long sys_oabi_semtimedop(int semid,
struct oabi_sembuf __user *tsops,
unsigned nsops,
const struct timespec __user *timeout)
{
struct sembuf *sops;
struct timespec local_timeout;
long err;
int i;
if (nsops < 1 || nsops > SEMOPM)
return -EINVAL;
sops = kmalloc(sizeof(*sops) * ... | @@ -193,55 +193,56 @@ struct oabi_flock64 {
pid_t l_pid;
} __attribute__ ((packed,aligned(4)));
-asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
+static long do_locks(unsigned int fd, unsigned int cmd,
unsigned long arg)
{
- struct oabi_flock64 user;
struct flock64 kernel;
- mm_segment... | CWE-264 | null | null |
44,872 | asmlinkage long sys_oabi_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags)
{
struct sockaddr __user *addr;
int msg_namelen;
sa_family_t sa_family;
if (msg &&
get_user(msg_namelen, &msg->msg_namelen) == 0 &&
msg_namelen == 112 &&
get_user(addr, &msg->msg_name) == 0 &&
get_user(sa_fa... | +Priv | 0 | asmlinkage long sys_oabi_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags)
{
struct sockaddr __user *addr;
int msg_namelen;
sa_family_t sa_family;
if (msg &&
get_user(msg_namelen, &msg->msg_namelen) == 0 &&
msg_namelen == 112 &&
get_user(addr, &msg->msg_name) == 0 &&
get_user(sa_fa... | @@ -193,55 +193,56 @@ struct oabi_flock64 {
pid_t l_pid;
} __attribute__ ((packed,aligned(4)));
-asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
+static long do_locks(unsigned int fd, unsigned int cmd,
unsigned long arg)
{
- struct oabi_flock64 user;
struct flock64 kernel;
- mm_segment... | CWE-264 | null | null |
44,873 | asmlinkage long sys_oabi_socketcall(int call, unsigned long __user *args)
{
unsigned long r = -EFAULT, a[6];
switch (call) {
case SYS_BIND:
if (copy_from_user(a, args, 3 * sizeof(long)) == 0)
r = sys_oabi_bind(a[0], (struct sockaddr __user *)a[1], a[2]);
break;
case SYS_CONNECT:
if (copy_from_user(a, args... | +Priv | 0 | asmlinkage long sys_oabi_socketcall(int call, unsigned long __user *args)
{
unsigned long r = -EFAULT, a[6];
switch (call) {
case SYS_BIND:
if (copy_from_user(a, args, 3 * sizeof(long)) == 0)
r = sys_oabi_bind(a[0], (struct sockaddr __user *)a[1], a[2]);
break;
case SYS_CONNECT:
if (copy_from_user(a, args... | @@ -193,55 +193,56 @@ struct oabi_flock64 {
pid_t l_pid;
} __attribute__ ((packed,aligned(4)));
-asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
+static long do_locks(unsigned int fd, unsigned int cmd,
unsigned long arg)
{
- struct oabi_flock64 user;
struct flock64 kernel;
- mm_segment... | CWE-264 | null | null |
44,874 | __tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout)
{
return ldsem_down_write(&tty->ldisc_sem, timeout);
}
| +Info | 0 | __tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout)
{
return ldsem_down_write(&tty->ldisc_sem, timeout);
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,875 | __tty_ldisc_lock_nested(struct tty_struct *tty, unsigned long timeout)
{
return ldsem_down_write_nested(&tty->ldisc_sem,
LDISC_SEM_OTHER, timeout);
}
| +Info | 0 | __tty_ldisc_lock_nested(struct tty_struct *tty, unsigned long timeout)
{
return ldsem_down_write_nested(&tty->ldisc_sem,
LDISC_SEM_OTHER, timeout);
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,876 | static struct tty_ldisc_ops *get_ldops(int disc)
{
unsigned long flags;
struct tty_ldisc_ops *ldops, *ret;
raw_spin_lock_irqsave(&tty_ldiscs_lock, flags);
ret = ERR_PTR(-EINVAL);
ldops = tty_ldiscs[disc];
if (ldops) {
ret = ERR_PTR(-EAGAIN);
if (try_module_get(ldops->owner)) {
ldops->refcount++;
ret = ... | +Info | 0 | static struct tty_ldisc_ops *get_ldops(int disc)
{
unsigned long flags;
struct tty_ldisc_ops *ldops, *ret;
raw_spin_lock_irqsave(&tty_ldiscs_lock, flags);
ret = ERR_PTR(-EINVAL);
ldops = tty_ldiscs[disc];
if (ldops) {
ret = ERR_PTR(-EAGAIN);
if (try_module_get(ldops->owner)) {
ldops->refcount++;
ret = ... | @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,877 | static int proc_tty_ldiscs_open(struct inode *inode, struct file *file)
{
return seq_open(file, &tty_ldiscs_seq_ops);
}
| +Info | 0 | static int proc_tty_ldiscs_open(struct inode *inode, struct file *file)
{
return seq_open(file, &tty_ldiscs_seq_ops);
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,878 | static void put_ldops(struct tty_ldisc_ops *ldops)
{
unsigned long flags;
raw_spin_lock_irqsave(&tty_ldiscs_lock, flags);
ldops->refcount--;
module_put(ldops->owner);
raw_spin_unlock_irqrestore(&tty_ldiscs_lock, flags);
}
| +Info | 0 | static void put_ldops(struct tty_ldisc_ops *ldops)
{
unsigned long flags;
raw_spin_lock_irqsave(&tty_ldiscs_lock, flags);
ldops->refcount--;
module_put(ldops->owner);
raw_spin_unlock_irqrestore(&tty_ldiscs_lock, flags);
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,879 | void tty_ldisc_begin(void)
{
/* Setup the default TTY line discipline. */
(void) tty_register_ldisc(N_TTY, &tty_ldisc_N_TTY);
}
| +Info | 0 | void tty_ldisc_begin(void)
{
/* Setup the default TTY line discipline. */
(void) tty_register_ldisc(N_TTY, &tty_ldisc_N_TTY);
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,880 | static void tty_ldisc_close(struct tty_struct *tty, struct tty_ldisc *ld)
{
WARN_ON(!test_bit(TTY_LDISC_OPEN, &tty->flags));
clear_bit(TTY_LDISC_OPEN, &tty->flags);
if (ld->ops->close)
ld->ops->close(tty);
tty_ldisc_debug(tty, "%p: closed\n", tty->ldisc);
}
| +Info | 0 | static void tty_ldisc_close(struct tty_struct *tty, struct tty_ldisc *ld)
{
WARN_ON(!test_bit(TTY_LDISC_OPEN, &tty->flags));
clear_bit(TTY_LDISC_OPEN, &tty->flags);
if (ld->ops->close)
ld->ops->close(tty);
tty_ldisc_debug(tty, "%p: closed\n", tty->ldisc);
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,881 | void tty_ldisc_deinit(struct tty_struct *tty)
{
tty_ldisc_put(tty->ldisc);
tty->ldisc = NULL;
}
| +Info | 0 | void tty_ldisc_deinit(struct tty_struct *tty)
{
tty_ldisc_put(tty->ldisc);
tty->ldisc = NULL;
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,882 | static struct tty_ldisc *tty_ldisc_get(struct tty_struct *tty, int disc)
{
struct tty_ldisc *ld;
struct tty_ldisc_ops *ldops;
if (disc < N_TTY || disc >= NR_LDISCS)
return ERR_PTR(-EINVAL);
/*
* Get the ldisc ops - we may need to request them to be loaded
* dynamically and try again.
*/
ldops = get_ldops... | +Info | 0 | static struct tty_ldisc *tty_ldisc_get(struct tty_struct *tty, int disc)
{
struct tty_ldisc *ld;
struct tty_ldisc_ops *ldops;
if (disc < N_TTY || disc >= NR_LDISCS)
return ERR_PTR(-EINVAL);
/*
* Get the ldisc ops - we may need to request them to be loaded
* dynamically and try again.
*/
ldops = get_ldops... | @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,883 | void tty_ldisc_hangup(struct tty_struct *tty)
{
struct tty_ldisc *ld;
int reset = tty->driver->flags & TTY_DRIVER_RESET_TERMIOS;
int err = 0;
tty_ldisc_debug(tty, "%p: closing\n", tty->ldisc);
ld = tty_ldisc_ref(tty);
if (ld != NULL) {
if (ld->ops->flush_buffer)
ld->ops->flush_buffer(tty);
tty_driver_flu... | +Info | 0 | void tty_ldisc_hangup(struct tty_struct *tty)
{
struct tty_ldisc *ld;
int reset = tty->driver->flags & TTY_DRIVER_RESET_TERMIOS;
int err = 0;
tty_ldisc_debug(tty, "%p: closing\n", tty->ldisc);
ld = tty_ldisc_ref(tty);
if (ld != NULL) {
if (ld->ops->flush_buffer)
ld->ops->flush_buffer(tty);
tty_driver_flu... | @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,884 | void tty_ldisc_init(struct tty_struct *tty)
{
struct tty_ldisc *ld = tty_ldisc_get(tty, N_TTY);
if (IS_ERR(ld))
panic("n_tty: init_tty");
tty->ldisc = ld;
}
| +Info | 0 | void tty_ldisc_init(struct tty_struct *tty)
{
struct tty_ldisc *ld = tty_ldisc_get(tty, N_TTY);
if (IS_ERR(ld))
panic("n_tty: init_tty");
tty->ldisc = ld;
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,885 | static void tty_ldisc_kill(struct tty_struct *tty)
{
/*
* Now kill off the ldisc
*/
tty_ldisc_close(tty, tty->ldisc);
tty_ldisc_put(tty->ldisc);
/* Force an oops if we mess this up */
tty->ldisc = NULL;
/* Ensure the next open requests the N_TTY ldisc */
tty_set_termios_ldisc(tty, N_TTY);
}
| +Info | 0 | static void tty_ldisc_kill(struct tty_struct *tty)
{
/*
* Now kill off the ldisc
*/
tty_ldisc_close(tty, tty->ldisc);
tty_ldisc_put(tty->ldisc);
/* Force an oops if we mess this up */
tty->ldisc = NULL;
/* Ensure the next open requests the N_TTY ldisc */
tty_set_termios_ldisc(tty, N_TTY);
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,886 | tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout)
{
int ret;
ret = __tty_ldisc_lock(tty, timeout);
if (!ret)
return -EBUSY;
set_bit(TTY_LDISC_HALTED, &tty->flags);
return 0;
}
| +Info | 0 | tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout)
{
int ret;
ret = __tty_ldisc_lock(tty, timeout);
if (!ret)
return -EBUSY;
set_bit(TTY_LDISC_HALTED, &tty->flags);
return 0;
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,887 | tty_ldisc_lock_pair(struct tty_struct *tty, struct tty_struct *tty2)
{
tty_ldisc_lock_pair_timeout(tty, tty2, MAX_SCHEDULE_TIMEOUT);
}
| +Info | 0 | tty_ldisc_lock_pair(struct tty_struct *tty, struct tty_struct *tty2)
{
tty_ldisc_lock_pair_timeout(tty, tty2, MAX_SCHEDULE_TIMEOUT);
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,888 | tty_ldisc_lock_pair_timeout(struct tty_struct *tty, struct tty_struct *tty2,
unsigned long timeout)
{
int ret;
if (tty < tty2) {
ret = __tty_ldisc_lock(tty, timeout);
if (ret) {
ret = __tty_ldisc_lock_nested(tty2, timeout);
if (!ret)
__tty_ldisc_unlock(tty);
}
} else {
/* if this is possibl... | +Info | 0 | tty_ldisc_lock_pair_timeout(struct tty_struct *tty, struct tty_struct *tty2,
unsigned long timeout)
{
int ret;
if (tty < tty2) {
ret = __tty_ldisc_lock(tty, timeout);
if (ret) {
ret = __tty_ldisc_lock_nested(tty2, timeout);
if (!ret)
__tty_ldisc_unlock(tty);
}
} else {
/* if this is possibl... | @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,889 | static void tty_ldisc_put(struct tty_ldisc *ld)
{
if (WARN_ON_ONCE(!ld))
return;
put_ldops(ld->ops);
kfree(ld);
}
| +Info | 0 | static void tty_ldisc_put(struct tty_ldisc *ld)
{
if (WARN_ON_ONCE(!ld))
return;
put_ldops(ld->ops);
kfree(ld);
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,890 | struct tty_ldisc *tty_ldisc_ref(struct tty_struct *tty)
{
struct tty_ldisc *ld = NULL;
if (ldsem_down_read_trylock(&tty->ldisc_sem)) {
ld = tty->ldisc;
if (!ld)
ldsem_up_read(&tty->ldisc_sem);
}
return ld;
}
| +Info | 0 | struct tty_ldisc *tty_ldisc_ref(struct tty_struct *tty)
{
struct tty_ldisc *ld = NULL;
if (ldsem_down_read_trylock(&tty->ldisc_sem)) {
ld = tty->ldisc;
if (!ld)
ldsem_up_read(&tty->ldisc_sem);
}
return ld;
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,891 | struct tty_ldisc *tty_ldisc_ref_wait(struct tty_struct *tty)
{
ldsem_down_read(&tty->ldisc_sem, MAX_SCHEDULE_TIMEOUT);
WARN_ON(!tty->ldisc);
return tty->ldisc;
}
| +Info | 0 | struct tty_ldisc *tty_ldisc_ref_wait(struct tty_struct *tty)
{
ldsem_down_read(&tty->ldisc_sem, MAX_SCHEDULE_TIMEOUT);
WARN_ON(!tty->ldisc);
return tty->ldisc;
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,892 | static int tty_ldisc_reinit(struct tty_struct *tty, int ldisc)
{
struct tty_ldisc *ld = tty_ldisc_get(tty, ldisc);
if (IS_ERR(ld))
return -1;
tty_ldisc_close(tty, tty->ldisc);
tty_ldisc_put(tty->ldisc);
/*
* Switch the line discipline back
*/
tty->ldisc = ld;
tty_set_termios_ldisc(tty, ldisc);
return 0... | +Info | 0 | static int tty_ldisc_reinit(struct tty_struct *tty, int ldisc)
{
struct tty_ldisc *ld = tty_ldisc_get(tty, ldisc);
if (IS_ERR(ld))
return -1;
tty_ldisc_close(tty, tty->ldisc);
tty_ldisc_put(tty->ldisc);
/*
* Switch the line discipline back
*/
tty->ldisc = ld;
tty_set_termios_ldisc(tty, ldisc);
return 0... | @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,893 | static void tty_ldisc_restore(struct tty_struct *tty, struct tty_ldisc *old)
{
struct tty_ldisc *new_ldisc;
int r;
/* There is an outstanding reference here so this is safe */
old = tty_ldisc_get(tty, old->ops->num);
WARN_ON(IS_ERR(old));
tty->ldisc = old;
tty_set_termios_ldisc(tty, old->ops->num);
if (tty_ldi... | +Info | 0 | static void tty_ldisc_restore(struct tty_struct *tty, struct tty_ldisc *old)
{
struct tty_ldisc *new_ldisc;
int r;
/* There is an outstanding reference here so this is safe */
old = tty_ldisc_get(tty, old->ops->num);
WARN_ON(IS_ERR(old));
tty->ldisc = old;
tty_set_termios_ldisc(tty, old->ops->num);
if (tty_ldi... | @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,894 | int tty_ldisc_setup(struct tty_struct *tty, struct tty_struct *o_tty)
{
struct tty_ldisc *ld = tty->ldisc;
int retval;
retval = tty_ldisc_open(tty, ld);
if (retval)
return retval;
if (o_tty) {
retval = tty_ldisc_open(o_tty, o_tty->ldisc);
if (retval) {
tty_ldisc_close(tty, ld);
return retval;
}
}
... | +Info | 0 | int tty_ldisc_setup(struct tty_struct *tty, struct tty_struct *o_tty)
{
struct tty_ldisc *ld = tty->ldisc;
int retval;
retval = tty_ldisc_open(tty, ld);
if (retval)
return retval;
if (o_tty) {
retval = tty_ldisc_open(o_tty, o_tty->ldisc);
if (retval) {
tty_ldisc_close(tty, ld);
return retval;
}
}
... | @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,895 | static void __lockfunc tty_ldisc_unlock_pair(struct tty_struct *tty,
struct tty_struct *tty2)
{
__tty_ldisc_unlock(tty);
if (tty2)
__tty_ldisc_unlock(tty2);
}
| +Info | 0 | static void __lockfunc tty_ldisc_unlock_pair(struct tty_struct *tty,
struct tty_struct *tty2)
{
__tty_ldisc_unlock(tty);
if (tty2)
__tty_ldisc_unlock(tty2);
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,896 | static void *tty_ldiscs_seq_next(struct seq_file *m, void *v, loff_t *pos)
{
(*pos)++;
return (*pos < NR_LDISCS) ? pos : NULL;
}
| +Info | 0 | static void *tty_ldiscs_seq_next(struct seq_file *m, void *v, loff_t *pos)
{
(*pos)++;
return (*pos < NR_LDISCS) ? pos : NULL;
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,897 | static int tty_ldiscs_seq_show(struct seq_file *m, void *v)
{
int i = *(loff_t *)v;
struct tty_ldisc_ops *ldops;
ldops = get_ldops(i);
if (IS_ERR(ldops))
return 0;
seq_printf(m, "%-10s %2d\n", ldops->name ? ldops->name : "???", i);
put_ldops(ldops);
return 0;
}
| +Info | 0 | static int tty_ldiscs_seq_show(struct seq_file *m, void *v)
{
int i = *(loff_t *)v;
struct tty_ldisc_ops *ldops;
ldops = get_ldops(i);
if (IS_ERR(ldops))
return 0;
seq_printf(m, "%-10s %2d\n", ldops->name ? ldops->name : "???", i);
put_ldops(ldops);
return 0;
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,898 | static void tty_ldiscs_seq_stop(struct seq_file *m, void *v)
{
}
| +Info | 0 | static void tty_ldiscs_seq_stop(struct seq_file *m, void *v)
{
}
| @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
44,899 | int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc)
{
unsigned long flags;
int ret = 0;
if (disc < N_TTY || disc >= NR_LDISCS)
return -EINVAL;
raw_spin_lock_irqsave(&tty_ldiscs_lock, flags);
tty_ldiscs[disc] = new_ldisc;
new_ldisc->num = disc;
new_ldisc->refcount = 0;
raw_spin_unlock_irqrestor... | +Info | 0 | int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc)
{
unsigned long flags;
int ret = 0;
if (disc < N_TTY || disc >= NR_LDISCS)
return -EINVAL;
raw_spin_lock_irqsave(&tty_ldiscs_lock, flags);
tty_ldiscs[disc] = new_ldisc;
new_ldisc->num = disc;
new_ldisc->refcount = 0;
raw_spin_unlock_irqrestor... | @@ -417,6 +417,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes term... | CWE-200 | null | null |
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