idx int64 | func_before string | Vulnerability Classification string | vul int64 | func_after string | patch string | CWE ID string | lines_before string | lines_after string |
|---|---|---|---|---|---|---|---|---|
33,800 | static inline int current_is_64bit(void)
{
return 0;
}
| DoS | 0 | static inline int current_is_64bit(void)
{
return 0;
}
| @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,801 | static int is_sigreturn_32_address(unsigned int nip, unsigned int fp)
{
if (nip == fp + offsetof(struct signal_frame_32, mctx.mc_pad))
return 1;
if (vdso32_sigtramp && current->mm->context.vdso_base &&
nip == current->mm->context.vdso_base + vdso32_sigtramp)
return 1;
return 0;
}
| DoS | 0 | static int is_sigreturn_32_address(unsigned int nip, unsigned int fp)
{
if (nip == fp + offsetof(struct signal_frame_32, mctx.mc_pad))
return 1;
if (vdso32_sigtramp && current->mm->context.vdso_base &&
nip == current->mm->context.vdso_base + vdso32_sigtramp)
return 1;
return 0;
}
| @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,802 | static int is_sigreturn_64_address(unsigned long nip, unsigned long fp)
{
if (nip == fp + offsetof(struct signal_frame_64, tramp))
return 1;
if (vdso64_rt_sigtramp && current->mm->context.vdso_base &&
nip == current->mm->context.vdso_base + vdso64_rt_sigtramp)
return 1;
return 0;
}
| DoS | 0 | static int is_sigreturn_64_address(unsigned long nip, unsigned long fp)
{
if (nip == fp + offsetof(struct signal_frame_64, tramp))
return 1;
if (vdso64_rt_sigtramp && current->mm->context.vdso_base &&
nip == current->mm->context.vdso_base + vdso64_rt_sigtramp)
return 1;
return 0;
}
| @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,803 | perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs)
{
unsigned long sp, next_sp;
unsigned long next_ip;
unsigned long lr;
long level = 0;
unsigned long *fp;
lr = regs->link;
sp = regs->gpr[1];
perf_callchain_store(entry, perf_instruction_pointer(regs));
if (!validate_sp(sp, curren... | DoS | 0 | perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs)
{
unsigned long sp, next_sp;
unsigned long next_ip;
unsigned long lr;
long level = 0;
unsigned long *fp;
lr = regs->link;
sp = regs->gpr[1];
perf_callchain_store(entry, perf_instruction_pointer(regs));
if (!validate_sp(sp, curren... | @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,804 | perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
{
if (current_is_64bit())
perf_callchain_user_64(entry, regs);
else
perf_callchain_user_32(entry, regs);
}
| DoS | 0 | perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
{
if (current_is_64bit())
perf_callchain_user_64(entry, regs);
else
perf_callchain_user_32(entry, regs);
}
| @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,805 | static void perf_callchain_user_32(struct perf_callchain_entry *entry,
struct pt_regs *regs)
{
unsigned int sp, next_sp;
unsigned int next_ip;
unsigned int lr;
long level = 0;
unsigned int __user *fp, *uregs;
next_ip = perf_instruction_pointer(regs);
lr = regs->link;
sp = regs->gpr[1];
perf_callchain_s... | DoS | 0 | static void perf_callchain_user_32(struct perf_callchain_entry *entry,
struct pt_regs *regs)
{
unsigned int sp, next_sp;
unsigned int next_ip;
unsigned int lr;
long level = 0;
unsigned int __user *fp, *uregs;
next_ip = perf_instruction_pointer(regs);
lr = regs->link;
sp = regs->gpr[1];
perf_callchain_s... | @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,806 | static inline void perf_callchain_user_64(struct perf_callchain_entry *entry,
struct pt_regs *regs)
{
}
| DoS | 0 | static inline void perf_callchain_user_64(struct perf_callchain_entry *entry,
struct pt_regs *regs)
{
}
| @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,807 | static int read_user_stack_32(unsigned int __user *ptr, unsigned int *ret)
{
if ((unsigned long)ptr > TASK_SIZE - sizeof(unsigned int) ||
((unsigned long)ptr & 3))
return -EFAULT;
pagefault_disable();
if (!__get_user_inatomic(*ret, ptr)) {
pagefault_enable();
return 0;
}
pagefault_enable();
return re... | DoS | 0 | static int read_user_stack_32(unsigned int __user *ptr, unsigned int *ret)
{
if ((unsigned long)ptr > TASK_SIZE - sizeof(unsigned int) ||
((unsigned long)ptr & 3))
return -EFAULT;
pagefault_disable();
if (!__get_user_inatomic(*ret, ptr)) {
pagefault_enable();
return 0;
}
pagefault_enable();
return re... | @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,808 | static int read_user_stack_64(unsigned long __user *ptr, unsigned long *ret)
{
if ((unsigned long)ptr > TASK_SIZE - sizeof(unsigned long) ||
((unsigned long)ptr & 7))
return -EFAULT;
pagefault_disable();
if (!__get_user_inatomic(*ret, ptr)) {
pagefault_enable();
return 0;
}
pagefault_enable();
return... | DoS | 0 | static int read_user_stack_64(unsigned long __user *ptr, unsigned long *ret)
{
if ((unsigned long)ptr > TASK_SIZE - sizeof(unsigned long) ||
((unsigned long)ptr & 7))
return -EFAULT;
pagefault_disable();
if (!__get_user_inatomic(*ret, ptr)) {
pagefault_enable();
return 0;
}
pagefault_enable();
return... | @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,809 | static int read_user_stack_slow(void __user *ptr, void *ret, int nb)
{
pgd_t *pgdir;
pte_t *ptep, pte;
unsigned shift;
unsigned long addr = (unsigned long) ptr;
unsigned long offset;
unsigned long pfn;
void *kaddr;
pgdir = current->mm->pgd;
if (!pgdir)
return -EFAULT;
ptep = find_linux_pte_or_hugepte(pgdi... | DoS | 0 | static int read_user_stack_slow(void __user *ptr, void *ret, int nb)
{
pgd_t *pgdir;
pte_t *ptep, pte;
unsigned shift;
unsigned long addr = (unsigned long) ptr;
unsigned long offset;
unsigned long pfn;
void *kaddr;
pgdir = current->mm->pgd;
if (!pgdir)
return -EFAULT;
ptep = find_linux_pte_or_hugepte(pgdi... | @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,810 | static int sane_rt_signal_32_frame(unsigned int sp)
{
struct rt_signal_frame_32 __user *sf;
unsigned int regs;
sf = (struct rt_signal_frame_32 __user *) (unsigned long) sp;
if (read_user_stack_32((unsigned int __user *) &sf->uc.uc_regs, ®s))
return 0;
return regs == (unsigned long) &sf->uc.uc_mcontext;
}
| DoS | 0 | static int sane_rt_signal_32_frame(unsigned int sp)
{
struct rt_signal_frame_32 __user *sf;
unsigned int regs;
sf = (struct rt_signal_frame_32 __user *) (unsigned long) sp;
if (read_user_stack_32((unsigned int __user *) &sf->uc.uc_regs, ®s))
return 0;
return regs == (unsigned long) &sf->uc.uc_mcontext;
}
| @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,811 | static int sane_signal_32_frame(unsigned int sp)
{
struct signal_frame_32 __user *sf;
unsigned int regs;
sf = (struct signal_frame_32 __user *) (unsigned long) sp;
if (read_user_stack_32((unsigned int __user *) &sf->sctx.regs, ®s))
return 0;
return regs == (unsigned long) &sf->mctx;
}
| DoS | 0 | static int sane_signal_32_frame(unsigned int sp)
{
struct signal_frame_32 __user *sf;
unsigned int regs;
sf = (struct signal_frame_32 __user *) (unsigned long) sp;
if (read_user_stack_32((unsigned int __user *) &sf->sctx.regs, ®s))
return 0;
return regs == (unsigned long) &sf->mctx;
}
| @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,812 | static int sane_signal_64_frame(unsigned long sp)
{
struct signal_frame_64 __user *sf;
unsigned long pinfo, puc;
sf = (struct signal_frame_64 __user *) sp;
if (read_user_stack_64((unsigned long __user *) &sf->pinfo, &pinfo) ||
read_user_stack_64((unsigned long __user *) &sf->puc, &puc))
return 0;
return pi... | DoS | 0 | static int sane_signal_64_frame(unsigned long sp)
{
struct signal_frame_64 __user *sf;
unsigned long pinfo, puc;
sf = (struct signal_frame_64 __user *) sp;
if (read_user_stack_64((unsigned long __user *) &sf->pinfo, &pinfo) ||
read_user_stack_64((unsigned long __user *) &sf->puc, &puc))
return 0;
return pi... | @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,813 | static unsigned int __user *signal_frame_32_regs(unsigned int sp,
unsigned int next_sp, unsigned int next_ip)
{
struct mcontext32 __user *mctx = NULL;
struct signal_frame_32 __user *sf;
struct rt_signal_frame_32 __user *rt_sf;
/*
* Note: the next_sp - sp >= signal frame size check
* is true when next_sp < ... | DoS | 0 | static unsigned int __user *signal_frame_32_regs(unsigned int sp,
unsigned int next_sp, unsigned int next_ip)
{
struct mcontext32 __user *mctx = NULL;
struct signal_frame_32 __user *sf;
struct rt_signal_frame_32 __user *rt_sf;
/*
* Note: the next_sp - sp >= signal frame size check
* is true when next_sp < ... | @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,814 | static int valid_next_sp(unsigned long sp, unsigned long prev_sp)
{
if (sp & 0xf)
return 0; /* must be 16-byte aligned */
if (!validate_sp(sp, current, STACK_FRAME_OVERHEAD))
return 0;
if (sp >= prev_sp + STACK_FRAME_MIN_SIZE)
return 1;
/*
* sp could decrease when we jump off an interrupt stack
* back to... | DoS | 0 | static int valid_next_sp(unsigned long sp, unsigned long prev_sp)
{
if (sp & 0xf)
return 0; /* must be 16-byte aligned */
if (!validate_sp(sp, current, STACK_FRAME_OVERHEAD))
return 0;
if (sp >= prev_sp + STACK_FRAME_MIN_SIZE)
return 1;
/*
* sp could decrease when we jump off an interrupt stack
* back to... | @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,815 | static inline int valid_user_sp(unsigned long sp, int is_64)
{
if (!sp || (sp & 7) || sp > TASK_SIZE - 32)
return 0;
return 1;
}
| DoS | 0 | static inline int valid_user_sp(unsigned long sp, int is_64)
{
if (!sp || (sp & 7) || sp > TASK_SIZE - 32)
return 0;
return 1;
}
| @@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- for (;;) {
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
r... | CWE-399 | null | null |
33,816 | static void *service_connection(void *arg_void)
{
struct service_thread_param *arg =
(struct service_thread_param *)arg_void;
while (!arg->tcp->is_closed) {
struct usb_conn_t *usb = NULL;
struct http_message_t *server_msg = NULL;
struct http_message_t *client_msg = NULL;
client_msg = http_message_new();
... | null | 0 | static void *service_connection(void *arg_void)
{
struct service_thread_param *arg =
(struct service_thread_param *)arg_void;
while (!arg->tcp->is_closed) {
struct usb_conn_t *usb = NULL;
struct http_message_t *server_msg = NULL;
struct http_message_t *client_msg = NULL;
client_msg = http_message_new();
... | @@ -171,9 +171,12 @@ static void start_daemon()
// Capture a socket
uint16_t desired_port = g_options.desired_port;
- struct tcp_sock_t *tcp_socket;
- while ((tcp_socket = tcp_open(desired_port)) == NULL &&
- g_options.only_desired_port == 0) {
+ struct tcp_sock_t *tcp_socket = NULL, *tcp6_socket = NULL;
+... | CWE-264 | null | null |
33,817 | static uint16_t strto16(const char *str)
{
unsigned long val = strtoul(str, NULL, 16);
if (val > UINT16_MAX)
exit(1);
return (uint16_t)val;
}
| null | 0 | static uint16_t strto16(const char *str)
{
unsigned long val = strtoul(str, NULL, 16);
if (val > UINT16_MAX)
exit(1);
return (uint16_t)val;
}
| @@ -171,9 +171,12 @@ static void start_daemon()
// Capture a socket
uint16_t desired_port = g_options.desired_port;
- struct tcp_sock_t *tcp_socket;
- while ((tcp_socket = tcp_open(desired_port)) == NULL &&
- g_options.only_desired_port == 0) {
+ struct tcp_sock_t *tcp_socket = NULL, *tcp6_socket = NULL;
+... | CWE-264 | null | null |
33,818 | void tcp_close(struct tcp_sock_t *this)
{
close(this->sd);
free(this);
}
| null | 0 | void tcp_close(struct tcp_sock_t *this)
{
close(this->sd);
free(this);
}
| @@ -17,6 +17,9 @@
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
#include <fcntl.h>
#include <unistd.h>
@@ -31,15 +34,66 @@ struct tcp_sock_t *tcp_open(uint16_t port)
{
struct tcp_sock_t *this = calloc(1, sizeof *this);
if (this... | CWE-264 | null | null |
33,819 | void tcp_conn_close(struct tcp_conn_t *conn)
{
close(conn->sd);
free(conn);
}
| null | 0 | void tcp_conn_close(struct tcp_conn_t *conn)
{
close(conn->sd);
free(conn);
}
| @@ -17,6 +17,9 @@
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
#include <fcntl.h>
#include <unistd.h>
@@ -31,15 +34,66 @@ struct tcp_sock_t *tcp_open(uint16_t port)
{
struct tcp_sock_t *this = calloc(1, sizeof *this);
if (this... | CWE-264 | null | null |
33,820 | struct http_packet_t *tcp_packet_get(struct tcp_conn_t *tcp,
struct http_message_t *msg)
{
struct http_packet_t *pkt = packet_new(msg);
if (pkt == NULL) {
ERR("failed to create packet for incoming tcp message");
goto error;
}
size_t want_size = packet_pending_bytes(pkt);
i... | null | 0 | struct http_packet_t *tcp_packet_get(struct tcp_conn_t *tcp,
struct http_message_t *msg)
{
struct http_packet_t *pkt = packet_new(msg);
if (pkt == NULL) {
ERR("failed to create packet for incoming tcp message");
goto error;
}
size_t want_size = packet_pending_bytes(pkt);
i... | @@ -17,6 +17,9 @@
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
#include <fcntl.h>
#include <unistd.h>
@@ -31,15 +34,66 @@ struct tcp_sock_t *tcp_open(uint16_t port)
{
struct tcp_sock_t *this = calloc(1, sizeof *this);
if (this... | CWE-264 | null | null |
33,821 | void tcp_packet_send(struct tcp_conn_t *conn, struct http_packet_t *pkt)
{
size_t remaining = pkt->filled_size;
size_t total = 0;
while (remaining > 0) {
ssize_t sent = send(conn->sd, pkt->buffer + total,
remaining, MSG_NOSIGNAL);
if (sent < 0) {
if (errno == EPIPE) {
conn->is_closed... | null | 0 | void tcp_packet_send(struct tcp_conn_t *conn, struct http_packet_t *pkt)
{
size_t remaining = pkt->filled_size;
size_t total = 0;
while (remaining > 0) {
ssize_t sent = send(conn->sd, pkt->buffer + total,
remaining, MSG_NOSIGNAL);
if (sent < 0) {
if (errno == EPIPE) {
conn->is_closed... | @@ -17,6 +17,9 @@
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
#include <fcntl.h>
#include <unistd.h>
@@ -31,15 +34,66 @@ struct tcp_sock_t *tcp_open(uint16_t port)
{
struct tcp_sock_t *this = calloc(1, sizeof *this);
if (this... | CWE-264 | null | null |
33,822 | uint16_t tcp_port_number_get(struct tcp_sock_t *sock)
{
sock->info_size = sizeof sock->info;
int query_status = getsockname(
sock->sd,
(struct sockaddr *) &(sock->info),
&(sock->info_size));
if (query_status == -1) {
ER... | null | 0 | uint16_t tcp_port_number_get(struct tcp_sock_t *sock)
{
sock->info_size = sizeof sock->info;
int query_status = getsockname(
sock->sd,
(struct sockaddr *) &(sock->info),
&(sock->info_size));
if (query_status == -1) {
ER... | @@ -17,6 +17,9 @@
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
#include <fcntl.h>
#include <unistd.h>
@@ -31,15 +34,66 @@ struct tcp_sock_t *tcp_open(uint16_t port)
{
struct tcp_sock_t *this = calloc(1, sizeof *this);
if (this... | CWE-264 | null | null |
33,823 | static int __vhost_add_used_n(struct vhost_virtqueue *vq,
struct vring_used_elem *heads,
unsigned count)
{
struct vring_used_elem __user *used;
u16 old, new;
int start;
start = vq->last_used_idx % vq->num;
used = vq->used->ring + start;
if (count == 1) {
if (__put_user(heads[0].id, &used->id)) {
... | DoS | 0 | static int __vhost_add_used_n(struct vhost_virtqueue *vq,
struct vring_used_elem *heads,
unsigned count)
{
struct vring_used_elem __user *used;
u16 old, new;
int start;
start = vq->last_used_idx % vq->num;
used = vq->used->ring + start;
if (count == 1) {
if (__put_user(heads[0].id, &used->id)) {
... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,824 | static const struct vhost_memory_region *find_region(struct vhost_memory *mem,
__u64 addr, __u32 len)
{
const struct vhost_memory_region *reg;
int start = 0, end = mem->nregions;
while (start < end) {
int slot = start + (end - start) / 2;
reg = mem->regions + slot;
if (addr >= reg->guest_phys_addr)... | DoS | 0 | static const struct vhost_memory_region *find_region(struct vhost_memory *mem,
__u64 addr, __u32 len)
{
const struct vhost_memory_region *reg;
int start = 0, end = mem->nregions;
while (start < end) {
int slot = start + (end - start) / 2;
reg = mem->regions + slot;
if (addr >= reg->guest_phys_addr)... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,825 | static int get_indirect(struct vhost_virtqueue *vq,
struct iovec iov[], unsigned int iov_size,
unsigned int *out_num, unsigned int *in_num,
struct vhost_log *log, unsigned int *log_num,
struct vring_desc *indirect)
{
struct vring_desc desc;
unsigned int i = 0, count, found = 0;
u32 len = vhost32_to_cpu(v... | DoS | 0 | static int get_indirect(struct vhost_virtqueue *vq,
struct iovec iov[], unsigned int iov_size,
unsigned int *out_num, unsigned int *in_num,
struct vhost_log *log, unsigned int *log_num,
struct vring_desc *indirect)
{
struct vring_desc desc;
unsigned int i = 0, count, found = 0;
u32 len = vhost32_to_cpu(v... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,826 | static int memory_access_ok(struct vhost_dev *d, struct vhost_memory *mem,
int log_all)
{
int i;
for (i = 0; i < d->nvqs; ++i) {
int ok;
bool log;
mutex_lock(&d->vqs[i]->mutex);
log = log_all || vhost_has_feature(d->vqs[i], VHOST_F_LOG_ALL);
/* If ring is inactive, will check when it's enabled. */
... | DoS | 0 | static int memory_access_ok(struct vhost_dev *d, struct vhost_memory *mem,
int log_all)
{
int i;
for (i = 0; i < d->nvqs; ++i) {
int ok;
bool log;
mutex_lock(&d->vqs[i]->mutex);
log = log_all || vhost_has_feature(d->vqs[i], VHOST_F_LOG_ALL);
/* If ring is inactive, will check when it's enabled. */
... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,827 | static unsigned next_desc(struct vhost_virtqueue *vq, struct vring_desc *desc)
{
unsigned int next;
/* If this descriptor says it doesn't chain, we're done. */
if (!(desc->flags & cpu_to_vhost16(vq, VRING_DESC_F_NEXT)))
return -1U;
/* Check they're not leading us off end of descriptors. */
next = vhost16_to_cp... | DoS | 0 | static unsigned next_desc(struct vhost_virtqueue *vq, struct vring_desc *desc)
{
unsigned int next;
/* If this descriptor says it doesn't chain, we're done. */
if (!(desc->flags & cpu_to_vhost16(vq, VRING_DESC_F_NEXT)))
return -1U;
/* Check they're not leading us off end of descriptors. */
next = vhost16_to_cp... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,828 | static int translate_desc(struct vhost_virtqueue *vq, u64 addr, u32 len,
struct iovec iov[], int iov_size)
{
const struct vhost_memory_region *reg;
struct vhost_memory *mem;
struct iovec *_iov;
u64 s = 0;
int ret = 0;
mem = vq->memory;
while ((u64)len > s) {
u64 size;
if (unlikely(ret >= iov_size)) {
... | DoS | 0 | static int translate_desc(struct vhost_virtqueue *vq, u64 addr, u32 len,
struct iovec iov[], int iov_size)
{
const struct vhost_memory_region *reg;
struct vhost_memory *mem;
struct iovec *_iov;
u64 s = 0;
int ret = 0;
mem = vq->memory;
while ((u64)len > s) {
u64 size;
if (unlikely(ret >= iov_size)) {
... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,829 | int vhost_add_used(struct vhost_virtqueue *vq, unsigned int head, int len)
{
struct vring_used_elem heads = {
cpu_to_vhost32(vq, head),
cpu_to_vhost32(vq, len)
};
return vhost_add_used_n(vq, &heads, 1);
}
| DoS | 0 | int vhost_add_used(struct vhost_virtqueue *vq, unsigned int head, int len)
{
struct vring_used_elem heads = {
cpu_to_vhost32(vq, head),
cpu_to_vhost32(vq, len)
};
return vhost_add_used_n(vq, &heads, 1);
}
| @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,830 | int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads,
unsigned count)
{
int start, n, r;
start = vq->last_used_idx % vq->num;
n = vq->num - start;
if (n < count) {
r = __vhost_add_used_n(vq, heads, n);
if (r < 0)
return r;
heads += n;
count -= n;
}
r = __vhost_add_used... | DoS | 0 | int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads,
unsigned count)
{
int start, n, r;
start = vq->last_used_idx % vq->num;
n = vq->num - start;
if (n < count) {
r = __vhost_add_used_n(vq, heads, n);
if (r < 0)
return r;
heads += n;
count -= n;
}
r = __vhost_add_used... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,831 | static long vhost_dev_alloc_iovecs(struct vhost_dev *dev)
{
struct vhost_virtqueue *vq;
int i;
for (i = 0; i < dev->nvqs; ++i) {
vq = dev->vqs[i];
vq->indirect = kmalloc(sizeof *vq->indirect * UIO_MAXIOV,
GFP_KERNEL);
vq->log = kmalloc(sizeof *vq->log * UIO_MAXIOV, GFP_KERNEL);
vq->heads = kmallo... | DoS | 0 | static long vhost_dev_alloc_iovecs(struct vhost_dev *dev)
{
struct vhost_virtqueue *vq;
int i;
for (i = 0; i < dev->nvqs; ++i) {
vq = dev->vqs[i];
vq->indirect = kmalloc(sizeof *vq->indirect * UIO_MAXIOV,
GFP_KERNEL);
vq->log = kmalloc(sizeof *vq->log * UIO_MAXIOV, GFP_KERNEL);
vq->heads = kmallo... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,832 | void vhost_dev_cleanup(struct vhost_dev *dev, bool locked)
{
int i;
for (i = 0; i < dev->nvqs; ++i) {
if (dev->vqs[i]->error_ctx)
eventfd_ctx_put(dev->vqs[i]->error_ctx);
if (dev->vqs[i]->error)
fput(dev->vqs[i]->error);
if (dev->vqs[i]->kick)
fput(dev->vqs[i]->kick);
if (dev->vqs[i]->call_ctx)
e... | DoS | 0 | void vhost_dev_cleanup(struct vhost_dev *dev, bool locked)
{
int i;
for (i = 0; i < dev->nvqs; ++i) {
if (dev->vqs[i]->error_ctx)
eventfd_ctx_put(dev->vqs[i]->error_ctx);
if (dev->vqs[i]->error)
fput(dev->vqs[i]->error);
if (dev->vqs[i]->kick)
fput(dev->vqs[i]->kick);
if (dev->vqs[i]->call_ctx)
e... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,833 | static void vhost_dev_free_iovecs(struct vhost_dev *dev)
{
int i;
for (i = 0; i < dev->nvqs; ++i)
vhost_vq_free_iovecs(dev->vqs[i]);
}
| DoS | 0 | static void vhost_dev_free_iovecs(struct vhost_dev *dev)
{
int i;
for (i = 0; i < dev->nvqs; ++i)
vhost_vq_free_iovecs(dev->vqs[i]);
}
| @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,834 | bool vhost_dev_has_owner(struct vhost_dev *dev)
{
return dev->mm;
}
| DoS | 0 | bool vhost_dev_has_owner(struct vhost_dev *dev)
{
return dev->mm;
}
| @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,835 | void vhost_dev_init(struct vhost_dev *dev,
struct vhost_virtqueue **vqs, int nvqs)
{
struct vhost_virtqueue *vq;
int i;
dev->vqs = vqs;
dev->nvqs = nvqs;
mutex_init(&dev->mutex);
dev->log_ctx = NULL;
dev->log_file = NULL;
dev->memory = NULL;
dev->mm = NULL;
spin_lock_init(&dev->work_lock);
INIT_LIST_H... | DoS | 0 | void vhost_dev_init(struct vhost_dev *dev,
struct vhost_virtqueue **vqs, int nvqs)
{
struct vhost_virtqueue *vq;
int i;
dev->vqs = vqs;
dev->nvqs = nvqs;
mutex_init(&dev->mutex);
dev->log_ctx = NULL;
dev->log_file = NULL;
dev->memory = NULL;
dev->mm = NULL;
spin_lock_init(&dev->work_lock);
INIT_LIST_H... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,836 | void vhost_dev_reset_owner(struct vhost_dev *dev, struct vhost_memory *memory)
{
int i;
vhost_dev_cleanup(dev, true);
/* Restore memory to default empty mapping. */
memory->nregions = 0;
dev->memory = memory;
/* We don't need VQ locks below since vhost_dev_cleanup makes sure
* VQs aren't running.
*/
for (i... | DoS | 0 | void vhost_dev_reset_owner(struct vhost_dev *dev, struct vhost_memory *memory)
{
int i;
vhost_dev_cleanup(dev, true);
/* Restore memory to default empty mapping. */
memory->nregions = 0;
dev->memory = memory;
/* We don't need VQ locks below since vhost_dev_cleanup makes sure
* VQs aren't running.
*/
for (i... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,837 | struct vhost_memory *vhost_dev_reset_owner_prepare(void)
{
return kmalloc(offsetof(struct vhost_memory, regions), GFP_KERNEL);
}
| DoS | 0 | struct vhost_memory *vhost_dev_reset_owner_prepare(void)
{
return kmalloc(offsetof(struct vhost_memory, regions), GFP_KERNEL);
}
| @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,838 | void vhost_dev_stop(struct vhost_dev *dev)
{
int i;
for (i = 0; i < dev->nvqs; ++i) {
if (dev->vqs[i]->kick && dev->vqs[i]->handle_kick) {
vhost_poll_stop(&dev->vqs[i]->poll);
vhost_poll_flush(&dev->vqs[i]->poll);
}
}
}
| DoS | 0 | void vhost_dev_stop(struct vhost_dev *dev)
{
int i;
for (i = 0; i < dev->nvqs; ++i) {
if (dev->vqs[i]->kick && dev->vqs[i]->handle_kick) {
vhost_poll_stop(&dev->vqs[i]->poll);
vhost_poll_flush(&dev->vqs[i]->poll);
}
}
}
| @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,839 | void vhost_disable_notify(struct vhost_dev *dev, struct vhost_virtqueue *vq)
{
int r;
if (vq->used_flags & VRING_USED_F_NO_NOTIFY)
return;
vq->used_flags |= VRING_USED_F_NO_NOTIFY;
if (!vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX)) {
r = vhost_update_used_flags(vq);
if (r)
vq_err(vq, "Failed to enable n... | DoS | 0 | void vhost_disable_notify(struct vhost_dev *dev, struct vhost_virtqueue *vq)
{
int r;
if (vq->used_flags & VRING_USED_F_NO_NOTIFY)
return;
vq->used_flags |= VRING_USED_F_NO_NOTIFY;
if (!vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX)) {
r = vhost_update_used_flags(vq);
if (r)
vq_err(vq, "Failed to enable n... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,840 | bool vhost_enable_notify(struct vhost_dev *dev, struct vhost_virtqueue *vq)
{
__virtio16 avail_idx;
int r;
if (!(vq->used_flags & VRING_USED_F_NO_NOTIFY))
return false;
vq->used_flags &= ~VRING_USED_F_NO_NOTIFY;
if (!vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX)) {
r = vhost_update_used_flags(vq);
if (r) {... | DoS | 0 | bool vhost_enable_notify(struct vhost_dev *dev, struct vhost_virtqueue *vq)
{
__virtio16 avail_idx;
int r;
if (!(vq->used_flags & VRING_USED_F_NO_NOTIFY))
return false;
vq->used_flags &= ~VRING_USED_F_NO_NOTIFY;
if (!vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX)) {
r = vhost_update_used_flags(vq);
if (r) {... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,841 | static void __exit vhost_exit(void)
{
}
| DoS | 0 | static void __exit vhost_exit(void)
{
}
| @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,842 | static long vhost_get_vring_endian(struct vhost_virtqueue *vq, u32 idx,
int __user *argp)
{
struct vhost_vring_state s = {
.index = idx,
.num = vq->user_be
};
if (copy_to_user(argp, &s, sizeof(s)))
return -EFAULT;
return 0;
}
| DoS | 0 | static long vhost_get_vring_endian(struct vhost_virtqueue *vq, u32 idx,
int __user *argp)
{
struct vhost_vring_state s = {
.index = idx,
.num = vq->user_be
};
if (copy_to_user(argp, &s, sizeof(s)))
return -EFAULT;
return 0;
}
| @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,843 | static void vhost_init_is_le(struct vhost_virtqueue *vq)
{
/* Note for legacy virtio: user_be is initialized at reset time
* according to the host endianness. If userspace does not set an
* explicit endianness, the default behavior is native endian, as
* expected by legacy virtio.
*/
vq->is_le = vhost_has_fea... | DoS | 0 | static void vhost_init_is_le(struct vhost_virtqueue *vq)
{
/* Note for legacy virtio: user_be is initialized at reset time
* according to the host endianness. If userspace does not set an
* explicit endianness, the default behavior is native endian, as
* expected by legacy virtio.
*/
vq->is_le = vhost_has_fea... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,844 | static void vhost_init_is_le(struct vhost_virtqueue *vq)
{
if (vhost_has_feature(vq, VIRTIO_F_VERSION_1))
vq->is_le = true;
}
| DoS | 0 | static void vhost_init_is_le(struct vhost_virtqueue *vq)
{
if (vhost_has_feature(vq, VIRTIO_F_VERSION_1))
vq->is_le = true;
}
| @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,845 | int vhost_init_used(struct vhost_virtqueue *vq)
{
__virtio16 last_used_idx;
int r;
if (!vq->private_data) {
vq->is_le = virtio_legacy_is_little_endian();
return 0;
}
vhost_init_is_le(vq);
r = vhost_update_used_flags(vq);
if (r)
return r;
vq->signalled_used_valid = false;
if (!access_ok(VERIFY_READ, &vq... | DoS | 0 | int vhost_init_used(struct vhost_virtqueue *vq)
{
__virtio16 last_used_idx;
int r;
if (!vq->private_data) {
vq->is_le = virtio_legacy_is_little_endian();
return 0;
}
vhost_init_is_le(vq);
r = vhost_update_used_flags(vq);
if (r)
return r;
vq->signalled_used_valid = false;
if (!access_ok(VERIFY_READ, &vq... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,846 | static void *vhost_kvzalloc(unsigned long size)
{
void *n = kzalloc(size, GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT);
if (!n) {
n = vzalloc(size);
if (!n)
return ERR_PTR(-ENOMEM);
}
return n;
}
| DoS | 0 | static void *vhost_kvzalloc(unsigned long size)
{
void *n = kzalloc(size, GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT);
if (!n) {
n = vzalloc(size);
if (!n)
return ERR_PTR(-ENOMEM);
}
return n;
}
| @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,847 | int vhost_log_access_ok(struct vhost_dev *dev)
{
return memory_access_ok(dev, dev->memory, 1);
}
| DoS | 0 | int vhost_log_access_ok(struct vhost_dev *dev)
{
return memory_access_ok(dev, dev->memory, 1);
}
| @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,848 | void vhost_poll_init(struct vhost_poll *poll, vhost_work_fn_t fn,
unsigned long mask, struct vhost_dev *dev)
{
init_waitqueue_func_entry(&poll->wait, vhost_poll_wakeup);
init_poll_funcptr(&poll->table, vhost_poll_func);
poll->mask = mask;
poll->dev = dev;
poll->wqh = NULL;
vhost_work_init(&poll->work, fn)... | DoS | 0 | void vhost_poll_init(struct vhost_poll *poll, vhost_work_fn_t fn,
unsigned long mask, struct vhost_dev *dev)
{
init_waitqueue_func_entry(&poll->wait, vhost_poll_wakeup);
init_poll_funcptr(&poll->table, vhost_poll_func);
poll->mask = mask;
poll->dev = dev;
poll->wqh = NULL;
vhost_work_init(&poll->work, fn)... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,849 | int vhost_poll_start(struct vhost_poll *poll, struct file *file)
{
unsigned long mask;
int ret = 0;
if (poll->wqh)
return 0;
mask = file->f_op->poll(file, &poll->table);
if (mask)
vhost_poll_wakeup(&poll->wait, 0, 0, (void *)mask);
if (mask & POLLERR) {
if (poll->wqh)
remove_wait_queue(poll->wqh, &poll... | DoS | 0 | int vhost_poll_start(struct vhost_poll *poll, struct file *file)
{
unsigned long mask;
int ret = 0;
if (poll->wqh)
return 0;
mask = file->f_op->poll(file, &poll->table);
if (mask)
vhost_poll_wakeup(&poll->wait, 0, 0, (void *)mask);
if (mask & POLLERR) {
if (poll->wqh)
remove_wait_queue(poll->wqh, &poll... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,850 | void vhost_poll_stop(struct vhost_poll *poll)
{
if (poll->wqh) {
remove_wait_queue(poll->wqh, &poll->wait);
poll->wqh = NULL;
}
}
| DoS | 0 | void vhost_poll_stop(struct vhost_poll *poll)
{
if (poll->wqh) {
remove_wait_queue(poll->wqh, &poll->wait);
poll->wqh = NULL;
}
}
| @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,851 | static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m)
{
struct vhost_memory mem, *newmem, *oldmem;
unsigned long size = offsetof(struct vhost_memory, regions);
int i;
if (copy_from_user(&mem, m, size))
return -EFAULT;
if (mem.padding)
return -EOPNOTSUPP;
if (mem.nregions > max_mem_... | DoS | 0 | static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m)
{
struct vhost_memory mem, *newmem, *oldmem;
unsigned long size = offsetof(struct vhost_memory, regions);
int i;
if (copy_from_user(&mem, m, size))
return -EFAULT;
if (mem.padding)
return -EOPNOTSUPP;
if (mem.nregions > max_mem_... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,852 | static long vhost_set_vring_endian(struct vhost_virtqueue *vq, int __user *argp)
{
struct vhost_vring_state s;
if (vq->private_data)
return -EBUSY;
if (copy_from_user(&s, argp, sizeof(s)))
return -EFAULT;
if (s.num != VHOST_VRING_LITTLE_ENDIAN &&
s.num != VHOST_VRING_BIG_ENDIAN)
return -EINVAL;
vq->... | DoS | 0 | static long vhost_set_vring_endian(struct vhost_virtqueue *vq, int __user *argp)
{
struct vhost_vring_state s;
if (vq->private_data)
return -EBUSY;
if (copy_from_user(&s, argp, sizeof(s)))
return -EFAULT;
if (s.num != VHOST_VRING_LITTLE_ENDIAN &&
s.num != VHOST_VRING_BIG_ENDIAN)
return -EINVAL;
vq->... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,853 | static int vhost_update_avail_event(struct vhost_virtqueue *vq, u16 avail_event)
{
if (__put_user(cpu_to_vhost16(vq, vq->avail_idx), vhost_avail_event(vq)))
return -EFAULT;
if (unlikely(vq->log_used)) {
void __user *used;
/* Make sure the event is seen before log. */
smp_wmb();
/* Log avail event write */
... | DoS | 0 | static int vhost_update_avail_event(struct vhost_virtqueue *vq, u16 avail_event)
{
if (__put_user(cpu_to_vhost16(vq, vq->avail_idx), vhost_avail_event(vq)))
return -EFAULT;
if (unlikely(vq->log_used)) {
void __user *used;
/* Make sure the event is seen before log. */
smp_wmb();
/* Log avail event write */
... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,854 | static void vhost_vq_free_iovecs(struct vhost_virtqueue *vq)
{
kfree(vq->indirect);
vq->indirect = NULL;
kfree(vq->log);
vq->log = NULL;
kfree(vq->heads);
vq->heads = NULL;
}
| DoS | 0 | static void vhost_vq_free_iovecs(struct vhost_virtqueue *vq)
{
kfree(vq->indirect);
vq->indirect = NULL;
kfree(vq->log);
vq->log = NULL;
kfree(vq->heads);
vq->heads = NULL;
}
| @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,855 | static void vhost_vq_reset(struct vhost_dev *dev,
struct vhost_virtqueue *vq)
{
vq->num = 1;
vq->desc = NULL;
vq->avail = NULL;
vq->used = NULL;
vq->last_avail_idx = 0;
vq->avail_idx = 0;
vq->last_used_idx = 0;
vq->signalled_used = 0;
vq->signalled_used_valid = false;
vq->used_flags = 0;
vq->log_used =... | DoS | 0 | static void vhost_vq_reset(struct vhost_dev *dev,
struct vhost_virtqueue *vq)
{
vq->num = 1;
vq->desc = NULL;
vq->avail = NULL;
vq->used = NULL;
vq->last_avail_idx = 0;
vq->avail_idx = 0;
vq->last_used_idx = 0;
vq->signalled_used = 0;
vq->signalled_used_valid = false;
vq->used_flags = 0;
vq->log_used =... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,856 | static void vhost_vq_reset_user_be(struct vhost_virtqueue *vq)
{
vq->user_be = !virtio_legacy_is_little_endian();
}
| DoS | 0 | static void vhost_vq_reset_user_be(struct vhost_virtqueue *vq)
{
vq->user_be = !virtio_legacy_is_little_endian();
}
| @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,857 | static void vhost_vq_reset_user_be(struct vhost_virtqueue *vq)
{
}
| DoS | 0 | static void vhost_vq_reset_user_be(struct vhost_virtqueue *vq)
{
}
| @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,858 | long vhost_vring_ioctl(struct vhost_dev *d, int ioctl, void __user *argp)
{
struct file *eventfp, *filep = NULL;
bool pollstart = false, pollstop = false;
struct eventfd_ctx *ctx = NULL;
u32 __user *idxp = argp;
struct vhost_virtqueue *vq;
struct vhost_vring_state s;
struct vhost_vring_file f;
struct vhost_vrin... | DoS | 0 | long vhost_vring_ioctl(struct vhost_dev *d, int ioctl, void __user *argp)
{
struct file *eventfp, *filep = NULL;
bool pollstart = false, pollstop = false;
struct eventfd_ctx *ctx = NULL;
u32 __user *idxp = argp;
struct vhost_virtqueue *vq;
struct vhost_vring_state s;
struct vhost_vring_file f;
struct vhost_vrin... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,859 | void vhost_work_flush(struct vhost_dev *dev, struct vhost_work *work)
{
unsigned seq;
int flushing;
spin_lock_irq(&dev->work_lock);
seq = work->queue_seq;
work->flushing++;
spin_unlock_irq(&dev->work_lock);
wait_event(work->done, vhost_work_seq_done(dev, work, seq));
spin_lock_irq(&dev->work_lock);
flushing =... | DoS | 0 | void vhost_work_flush(struct vhost_dev *dev, struct vhost_work *work)
{
unsigned seq;
int flushing;
spin_lock_irq(&dev->work_lock);
seq = work->queue_seq;
work->flushing++;
spin_unlock_irq(&dev->work_lock);
wait_event(work->done, vhost_work_seq_done(dev, work, seq));
spin_lock_irq(&dev->work_lock);
flushing =... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,860 | void vhost_work_queue(struct vhost_dev *dev, struct vhost_work *work)
{
unsigned long flags;
spin_lock_irqsave(&dev->work_lock, flags);
if (list_empty(&work->node)) {
list_add_tail(&work->node, &dev->work_list);
work->queue_seq++;
spin_unlock_irqrestore(&dev->work_lock, flags);
wake_up_process(dev->worker);... | DoS | 0 | void vhost_work_queue(struct vhost_dev *dev, struct vhost_work *work)
{
unsigned long flags;
spin_lock_irqsave(&dev->work_lock, flags);
if (list_empty(&work->node)) {
list_add_tail(&work->node, &dev->work_list);
work->queue_seq++;
spin_unlock_irqrestore(&dev->work_lock, flags);
wake_up_process(dev->worker);... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,861 | static int vq_access_ok(struct vhost_virtqueue *vq, unsigned int num,
struct vring_desc __user *desc,
struct vring_avail __user *avail,
struct vring_used __user *used)
{
size_t s = vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX) ? 2 : 0;
return access_ok(VERIFY_READ, desc, num * sizeof *desc) &&
acces... | DoS | 0 | static int vq_access_ok(struct vhost_virtqueue *vq, unsigned int num,
struct vring_desc __user *desc,
struct vring_avail __user *avail,
struct vring_used __user *used)
{
size_t s = vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX) ? 2 : 0;
return access_ok(VERIFY_READ, desc, num * sizeof *desc) &&
acces... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,862 | static int vq_log_access_ok(struct vhost_virtqueue *vq,
void __user *log_base)
{
size_t s = vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX) ? 2 : 0;
return vq_memory_access_ok(log_base, vq->memory,
vhost_has_feature(vq, VHOST_F_LOG_ALL)) &&
(!vq->log_used || log_access_ok(log_base, vq->log_addr,
... | DoS | 0 | static int vq_log_access_ok(struct vhost_virtqueue *vq,
void __user *log_base)
{
size_t s = vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX) ? 2 : 0;
return vq_memory_access_ok(log_base, vq->memory,
vhost_has_feature(vq, VHOST_F_LOG_ALL)) &&
(!vq->log_used || log_access_ok(log_base, vq->log_addr,
... | @@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (eventfp != d->log_file) {
filep = d->log_file;
+ d->log_file = eventfp;
ctx = d->log_ctx;
d->log_ctx = eventfp ?
eventfd_ctx_fileget(eventfp) : NULL; | CWE-399 | null | null |
33,863 | void IGDdata(void * d, const char * data, int l)
{
struct IGDdatas * datas = (struct IGDdatas *)d;
char * dstmember = 0;
/*printf("%2d %s : %.*s\n",
datas->level, datas->cureltname, l, data); */
if( !strcmp(datas->cureltname, "URLBase") )
dstmember = datas->urlbase;
else if( !strcmp(datas->cureltname,... | DoS Exec Code Overflow | 0 | void IGDdata(void * d, const char * data, int l)
{
struct IGDdatas * datas = (struct IGDdatas *)d;
char * dstmember = 0;
/*printf("%2d %s : %.*s\n",
datas->level, datas->cureltname, l, data); */
if( !strcmp(datas->cureltname, "URLBase") )
dstmember = datas->urlbase;
else if( !strcmp(datas->cureltname,... | @@ -1,8 +1,8 @@
-/* $Id: igd_desc_parse.c,v 1.16 2014/11/17 17:19:13 nanard Exp $ */
+/* $Id: igd_desc_parse.c,v 1.17 2015/09/15 13:30:04 nanard Exp $ */
/* Project : miniupnp
* http://miniupnp.free.fr/
* Author : Thomas Bernard
- * Copyright (c) 2005-2014 Thomas Bernard
+ * Copyright (c) 2005-2015 Thomas Bernard
... | CWE-119 | null | null |
33,864 | static void * dev_seq_start(struct seq_file *s, loff_t *pos)
{
struct sg_proc_deviter * it = kmalloc(sizeof(*it), GFP_KERNEL);
s->private = it;
if (! it)
return NULL;
it->index = *pos;
it->max = sg_last_dev();
if (it->index >= it->max)
return NULL;
return it;
}
| DoS Overflow | 0 | static void * dev_seq_start(struct seq_file *s, loff_t *pos)
{
struct sg_proc_deviter * it = kmalloc(sizeof(*it), GFP_KERNEL);
s->private = it;
if (! it)
return NULL;
it->index = *pos;
it->max = sg_last_dev();
if (it->index >= it->max)
return NULL;
return it;
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,865 | static void dev_seq_stop(struct seq_file *s, void *v)
{
kfree(s->private);
}
| DoS Overflow | 0 | static void dev_seq_stop(struct seq_file *s, void *v)
{
kfree(s->private);
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,866 | exit_sg(void)
{
#ifdef CONFIG_SCSI_PROC_FS
sg_proc_cleanup();
#endif /* CONFIG_SCSI_PROC_FS */
scsi_unregister_interface(&sg_interface);
class_destroy(sg_sysfs_class);
sg_sysfs_valid = 0;
unregister_chrdev_region(MKDEV(SCSI_GENERIC_MAJOR, 0),
SG_MAX_DEVS);
idr_destroy(&sg_index_idr);
}
| DoS Overflow | 0 | exit_sg(void)
{
#ifdef CONFIG_SCSI_PROC_FS
sg_proc_cleanup();
#endif /* CONFIG_SCSI_PROC_FS */
scsi_unregister_interface(&sg_interface);
class_destroy(sg_sysfs_class);
sg_sysfs_valid = 0;
unregister_chrdev_region(MKDEV(SCSI_GENERIC_MAJOR, 0),
SG_MAX_DEVS);
idr_destroy(&sg_index_idr);
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,867 | init_sg(void)
{
int rc;
if (scatter_elem_sz < PAGE_SIZE) {
scatter_elem_sz = PAGE_SIZE;
scatter_elem_sz_prev = scatter_elem_sz;
}
if (def_reserved_size >= 0)
sg_big_buff = def_reserved_size;
else
def_reserved_size = sg_big_buff;
rc = register_chrdev_region(MKDEV(SCSI_GENERIC_MAJOR, 0),
SG_MAX_D... | DoS Overflow | 0 | init_sg(void)
{
int rc;
if (scatter_elem_sz < PAGE_SIZE) {
scatter_elem_sz = PAGE_SIZE;
scatter_elem_sz_prev = scatter_elem_sz;
}
if (def_reserved_size >= 0)
sg_big_buff = def_reserved_size;
else
def_reserved_size = sg_big_buff;
rc = register_chrdev_region(MKDEV(SCSI_GENERIC_MAJOR, 0),
SG_MAX_D... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,868 | static int max_sectors_bytes(struct request_queue *q)
{
unsigned int max_sectors = queue_max_sectors(q);
max_sectors = min_t(unsigned int, max_sectors, INT_MAX >> 9);
return max_sectors << 9;
}
| DoS Overflow | 0 | static int max_sectors_bytes(struct request_queue *q)
{
unsigned int max_sectors = queue_max_sectors(q);
max_sectors = min_t(unsigned int, max_sectors, INT_MAX >> 9);
return max_sectors << 9;
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,869 | open_wait(Sg_device *sdp, int flags)
{
int retval = 0;
if (flags & O_EXCL) {
while (sdp->open_cnt > 0) {
mutex_unlock(&sdp->open_rel_lock);
retval = wait_event_interruptible(sdp->open_wait,
(atomic_read(&sdp->detaching) ||
!sdp->open_cnt));
mutex_lock(&sdp->open_rel_lock);
if (retval) /* -E... | DoS Overflow | 0 | open_wait(Sg_device *sdp, int flags)
{
int retval = 0;
if (flags & O_EXCL) {
while (sdp->open_cnt > 0) {
mutex_unlock(&sdp->open_rel_lock);
retval = wait_event_interruptible(sdp->open_wait,
(atomic_read(&sdp->detaching) ||
!sdp->open_cnt));
mutex_lock(&sdp->open_rel_lock);
if (retval) /* -E... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,870 | sg_add_device(struct device *cl_dev, struct class_interface *cl_intf)
{
struct scsi_device *scsidp = to_scsi_device(cl_dev->parent);
struct gendisk *disk;
Sg_device *sdp = NULL;
struct cdev * cdev = NULL;
int error;
unsigned long iflags;
disk = alloc_disk(1);
if (!disk) {
pr_warn("%s: alloc_disk failed\n", _... | DoS Overflow | 0 | sg_add_device(struct device *cl_dev, struct class_interface *cl_intf)
{
struct scsi_device *scsidp = to_scsi_device(cl_dev->parent);
struct gendisk *disk;
Sg_device *sdp = NULL;
struct cdev * cdev = NULL;
int error;
unsigned long iflags;
disk = alloc_disk(1);
if (!disk) {
pr_warn("%s: alloc_disk failed\n", _... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,871 | sg_add_request(Sg_fd * sfp)
{
int k;
unsigned long iflags;
Sg_request *resp;
Sg_request *rp = sfp->req_arr;
write_lock_irqsave(&sfp->rq_list_lock, iflags);
resp = sfp->headrp;
if (!resp) {
memset(rp, 0, sizeof (Sg_request));
rp->parentfp = sfp;
resp = rp;
sfp->headrp = resp;
} else {
if (0 == sfp->cm... | DoS Overflow | 0 | sg_add_request(Sg_fd * sfp)
{
int k;
unsigned long iflags;
Sg_request *resp;
Sg_request *rp = sfp->req_arr;
write_lock_irqsave(&sfp->rq_list_lock, iflags);
resp = sfp->headrp;
if (!resp) {
memset(rp, 0, sizeof (Sg_request));
rp->parentfp = sfp;
resp = rp;
sfp->headrp = resp;
} else {
if (0 == sfp->cm... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,872 | sg_alloc(struct gendisk *disk, struct scsi_device *scsidp)
{
struct request_queue *q = scsidp->request_queue;
Sg_device *sdp;
unsigned long iflags;
int error;
u32 k;
sdp = kzalloc(sizeof(Sg_device), GFP_KERNEL);
if (!sdp) {
sdev_printk(KERN_WARNING, scsidp, "%s: kmalloc Sg_device "
"failure\n", __func_... | DoS Overflow | 0 | sg_alloc(struct gendisk *disk, struct scsi_device *scsidp)
{
struct request_queue *q = scsidp->request_queue;
Sg_device *sdp;
unsigned long iflags;
int error;
u32 k;
sdp = kzalloc(sizeof(Sg_device), GFP_KERNEL);
if (!sdp) {
sdev_printk(KERN_WARNING, scsidp, "%s: kmalloc Sg_device "
"failure\n", __func_... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,873 | static int sg_allow_access(struct file *filp, unsigned char *cmd)
{
struct sg_fd *sfp = filp->private_data;
if (sfp->parentdp->device->type == TYPE_SCANNER)
return 0;
return blk_verify_command(cmd, filp->f_mode & FMODE_WRITE);
}
| DoS Overflow | 0 | static int sg_allow_access(struct file *filp, unsigned char *cmd)
{
struct sg_fd *sfp = filp->private_data;
if (sfp->parentdp->device->type == TYPE_SCANNER)
return 0;
return blk_verify_command(cmd, filp->f_mode & FMODE_WRITE);
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,874 | sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size)
{
int ret_sz = 0, i, k, rem_sz, num, mx_sc_elems;
int sg_tablesize = sfp->parentdp->sg_tablesize;
int blk_size = buff_size, order;
gfp_t gfp_mask = GFP_ATOMIC | __GFP_COMP | __GFP_NOWARN;
if (blk_size < 0)
return -EFAULT;
if (0 == blk_size)
... | DoS Overflow | 0 | sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size)
{
int ret_sz = 0, i, k, rem_sz, num, mx_sc_elems;
int sg_tablesize = sfp->parentdp->sg_tablesize;
int blk_size = buff_size, order;
gfp_t gfp_mask = GFP_ATOMIC | __GFP_COMP | __GFP_NOWARN;
if (blk_size < 0)
return -EFAULT;
if (0 == blk_size)
... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,875 | sg_build_reserve(Sg_fd * sfp, int req_size)
{
Sg_scatter_hold *schp = &sfp->reserve;
SCSI_LOG_TIMEOUT(4, sg_printk(KERN_INFO, sfp->parentdp,
"sg_build_reserve: req_size=%d\n", req_size));
do {
if (req_size < PAGE_SIZE)
req_size = PAGE_SIZE;
if (0 == sg_build_indirect(schp, sfp, req_size))
return;
el... | DoS Overflow | 0 | sg_build_reserve(Sg_fd * sfp, int req_size)
{
Sg_scatter_hold *schp = &sfp->reserve;
SCSI_LOG_TIMEOUT(4, sg_printk(KERN_INFO, sfp->parentdp,
"sg_build_reserve: req_size=%d\n", req_size));
do {
if (req_size < PAGE_SIZE)
req_size = PAGE_SIZE;
if (0 == sg_build_indirect(schp, sfp, req_size))
return;
el... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,876 | sg_build_sgat(Sg_scatter_hold * schp, const Sg_fd * sfp, int tablesize)
{
int sg_bufflen = tablesize * sizeof(struct page *);
gfp_t gfp_flags = GFP_ATOMIC | __GFP_NOWARN;
schp->pages = kzalloc(sg_bufflen, gfp_flags);
if (!schp->pages)
return -ENOMEM;
schp->sglist_len = sg_bufflen;
return tablesize; /* number o... | DoS Overflow | 0 | sg_build_sgat(Sg_scatter_hold * schp, const Sg_fd * sfp, int tablesize)
{
int sg_bufflen = tablesize * sizeof(struct page *);
gfp_t gfp_flags = GFP_ATOMIC | __GFP_NOWARN;
schp->pages = kzalloc(sg_bufflen, gfp_flags);
if (!schp->pages)
return -ENOMEM;
schp->sglist_len = sg_bufflen;
return tablesize; /* number o... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,877 | sg_common_write(Sg_fd * sfp, Sg_request * srp,
unsigned char *cmnd, int timeout, int blocking)
{
int k, at_head;
Sg_device *sdp = sfp->parentdp;
sg_io_hdr_t *hp = &srp->header;
srp->data.cmd_opcode = cmnd[0]; /* hold opcode of command */
hp->status = 0;
hp->masked_status = 0;
hp->msg_status = 0;
hp->info = 0... | DoS Overflow | 0 | sg_common_write(Sg_fd * sfp, Sg_request * srp,
unsigned char *cmnd, int timeout, int blocking)
{
int k, at_head;
Sg_device *sdp = sfp->parentdp;
sg_io_hdr_t *hp = &srp->header;
srp->data.cmd_opcode = cmnd[0]; /* hold opcode of command */
hp->status = 0;
hp->masked_status = 0;
hp->msg_status = 0;
hp->info = 0... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,878 | sg_fasync(int fd, struct file *filp, int mode)
{
Sg_device *sdp;
Sg_fd *sfp;
if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp)))
return -ENXIO;
SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp,
"sg_fasync: mode=%d\n", mode));
return fasync_helper(fd, filp, mode, &sfp->async_qp);
}
| DoS Overflow | 0 | sg_fasync(int fd, struct file *filp, int mode)
{
Sg_device *sdp;
Sg_fd *sfp;
if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp)))
return -ENXIO;
SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp,
"sg_fasync: mode=%d\n", mode));
return fasync_helper(fd, filp, mode, &sfp->async_qp);
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,879 | sg_finish_rem_req(Sg_request *srp)
{
int ret = 0;
Sg_fd *sfp = srp->parentfp;
Sg_scatter_hold *req_schp = &srp->data;
SCSI_LOG_TIMEOUT(4, sg_printk(KERN_INFO, sfp->parentdp,
"sg_finish_rem_req: res_used=%d\n",
(int) srp->res_used));
if (srp->bio)
ret = blk_rq_unmap_user(srp->bio);
if (srp... | DoS Overflow | 0 | sg_finish_rem_req(Sg_request *srp)
{
int ret = 0;
Sg_fd *sfp = srp->parentfp;
Sg_scatter_hold *req_schp = &srp->data;
SCSI_LOG_TIMEOUT(4, sg_printk(KERN_INFO, sfp->parentdp,
"sg_finish_rem_req: res_used=%d\n",
(int) srp->res_used));
if (srp->bio)
ret = blk_rq_unmap_user(srp->bio);
if (srp... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,880 | sg_get_rq_mark(Sg_fd * sfp, int pack_id)
{
Sg_request *resp;
unsigned long iflags;
write_lock_irqsave(&sfp->rq_list_lock, iflags);
for (resp = sfp->headrp; resp; resp = resp->nextrp) {
/* look for requests that are ready + not SG_IO owned */
if ((1 == resp->done) && (!resp->sg_io_owned) &&
((-1 == pack_i... | DoS Overflow | 0 | sg_get_rq_mark(Sg_fd * sfp, int pack_id)
{
Sg_request *resp;
unsigned long iflags;
write_lock_irqsave(&sfp->rq_list_lock, iflags);
for (resp = sfp->headrp; resp; resp = resp->nextrp) {
/* look for requests that are ready + not SG_IO owned */
if ((1 == resp->done) && (!resp->sg_io_owned) &&
((-1 == pack_i... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,881 | sg_idr_max_id(int id, void *p, void *data)
{
int *k = data;
if (*k < id)
*k = id;
return 0;
}
| DoS Overflow | 0 | sg_idr_max_id(int id, void *p, void *data)
{
int *k = data;
if (*k < id)
*k = id;
return 0;
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,882 | sg_last_dev(void)
{
int k = -1;
unsigned long iflags;
read_lock_irqsave(&sg_index_lock, iflags);
idr_for_each(&sg_index_idr, sg_idr_max_id, &k);
read_unlock_irqrestore(&sg_index_lock, iflags);
return k + 1; /* origin 1 */
}
| DoS Overflow | 0 | sg_last_dev(void)
{
int k = -1;
unsigned long iflags;
read_lock_irqsave(&sg_index_lock, iflags);
idr_for_each(&sg_index_idr, sg_idr_max_id, &k);
read_unlock_irqrestore(&sg_index_lock, iflags);
return k + 1; /* origin 1 */
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,883 | static Sg_device *sg_lookup_dev(int dev)
{
return idr_find(&sg_index_idr, dev);
}
| DoS Overflow | 0 | static Sg_device *sg_lookup_dev(int dev)
{
return idr_find(&sg_index_idr, dev);
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,884 | sg_mmap(struct file *filp, struct vm_area_struct *vma)
{
Sg_fd *sfp;
unsigned long req_sz, len, sa;
Sg_scatter_hold *rsv_schp;
int k, length;
if ((!filp) || (!vma) || (!(sfp = (Sg_fd *) filp->private_data)))
return -ENXIO;
req_sz = vma->vm_end - vma->vm_start;
SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sfp->par... | DoS Overflow | 0 | sg_mmap(struct file *filp, struct vm_area_struct *vma)
{
Sg_fd *sfp;
unsigned long req_sz, len, sa;
Sg_scatter_hold *rsv_schp;
int k, length;
if ((!filp) || (!vma) || (!(sfp = (Sg_fd *) filp->private_data)))
return -ENXIO;
req_sz = vma->vm_end - vma->vm_start;
SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sfp->par... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,885 | sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp)
{
sg_io_hdr_t *hp = &srp->header;
int err = 0, err2;
int len;
if (count < SZ_SG_IO_HDR) {
err = -EINVAL;
goto err_out;
}
hp->sb_len_wr = 0;
if ((hp->mx_sb_len > 0) && hp->sbp) {
if ((CHECK_CONDITION & hp->masked_status) ||
(D... | DoS Overflow | 0 | sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp)
{
sg_io_hdr_t *hp = &srp->header;
int err = 0, err2;
int len;
if (count < SZ_SG_IO_HDR) {
err = -EINVAL;
goto err_out;
}
hp->sb_len_wr = 0;
if ((hp->mx_sb_len > 0) && hp->sbp) {
if ((CHECK_CONDITION & hp->masked_status) ||
(D... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,886 | sg_new_write(Sg_fd *sfp, struct file *file, const char __user *buf,
size_t count, int blocking, int read_only, int sg_io_owned,
Sg_request **o_srp)
{
int k;
Sg_request *srp;
sg_io_hdr_t *hp;
unsigned char cmnd[SG_MAX_CDB_SIZE];
int timeout;
unsigned long ul_timeout;
if (count < SZ_SG_IO_HDR)
return -EIN... | DoS Overflow | 0 | sg_new_write(Sg_fd *sfp, struct file *file, const char __user *buf,
size_t count, int blocking, int read_only, int sg_io_owned,
Sg_request **o_srp)
{
int k;
Sg_request *srp;
sg_io_hdr_t *hp;
unsigned char cmnd[SG_MAX_CDB_SIZE];
int timeout;
unsigned long ul_timeout;
if (count < SZ_SG_IO_HDR)
return -EIN... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,887 | sg_proc_cleanup(void)
{
int k;
int num_leaves = ARRAY_SIZE(sg_proc_leaf_arr);
if (!sg_proc_sgp)
return;
for (k = 0; k < num_leaves; ++k)
remove_proc_entry(sg_proc_leaf_arr[k].name, sg_proc_sgp);
remove_proc_entry(sg_proc_sg_dirname, NULL);
}
| DoS Overflow | 0 | sg_proc_cleanup(void)
{
int k;
int num_leaves = ARRAY_SIZE(sg_proc_leaf_arr);
if (!sg_proc_sgp)
return;
for (k = 0; k < num_leaves; ++k)
remove_proc_entry(sg_proc_leaf_arr[k].name, sg_proc_sgp);
remove_proc_entry(sg_proc_sg_dirname, NULL);
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,888 | static void sg_proc_debug_helper(struct seq_file *s, Sg_device * sdp)
{
int k, m, new_interface, blen, usg;
Sg_request *srp;
Sg_fd *fp;
const sg_io_hdr_t *hp;
const char * cp;
unsigned int ms;
k = 0;
list_for_each_entry(fp, &sdp->sfds, sfd_siblings) {
k++;
read_lock(&fp->rq_list_lock); /* irqs already disa... | DoS Overflow | 0 | static void sg_proc_debug_helper(struct seq_file *s, Sg_device * sdp)
{
int k, m, new_interface, blen, usg;
Sg_request *srp;
Sg_fd *fp;
const sg_io_hdr_t *hp;
const char * cp;
unsigned int ms;
k = 0;
list_for_each_entry(fp, &sdp->sfds, sfd_siblings) {
k++;
read_lock(&fp->rq_list_lock); /* irqs already disa... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,889 | sg_proc_init(void)
{
int num_leaves = ARRAY_SIZE(sg_proc_leaf_arr);
int k;
sg_proc_sgp = proc_mkdir(sg_proc_sg_dirname, NULL);
if (!sg_proc_sgp)
return 1;
for (k = 0; k < num_leaves; ++k) {
const struct sg_proc_leaf *leaf = &sg_proc_leaf_arr[k];
umode_t mask = leaf->fops->write ? S_IRUGO | S_IWUSR : S_IRUGO... | DoS Overflow | 0 | sg_proc_init(void)
{
int num_leaves = ARRAY_SIZE(sg_proc_leaf_arr);
int k;
sg_proc_sgp = proc_mkdir(sg_proc_sg_dirname, NULL);
if (!sg_proc_sgp)
return 1;
for (k = 0; k < num_leaves; ++k) {
const struct sg_proc_leaf *leaf = &sg_proc_leaf_arr[k];
umode_t mask = leaf->fops->write ? S_IRUGO | S_IWUSR : S_IRUGO... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,890 | static int sg_proc_open_debug(struct inode *inode, struct file *file)
{
return seq_open(file, &debug_seq_ops);
}
| DoS Overflow | 0 | static int sg_proc_open_debug(struct inode *inode, struct file *file)
{
return seq_open(file, &debug_seq_ops);
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,891 | static int sg_proc_open_dev(struct inode *inode, struct file *file)
{
return seq_open(file, &dev_seq_ops);
}
| DoS Overflow | 0 | static int sg_proc_open_dev(struct inode *inode, struct file *file)
{
return seq_open(file, &dev_seq_ops);
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,892 | static int sg_proc_open_devstrs(struct inode *inode, struct file *file)
{
return seq_open(file, &devstrs_seq_ops);
}
| DoS Overflow | 0 | static int sg_proc_open_devstrs(struct inode *inode, struct file *file)
{
return seq_open(file, &devstrs_seq_ops);
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,893 | static int sg_proc_seq_show_debug(struct seq_file *s, void *v)
{
struct sg_proc_deviter * it = (struct sg_proc_deviter *) v;
Sg_device *sdp;
unsigned long iflags;
if (it && (0 == it->index))
seq_printf(s, "max_active_device=%d def_reserved_size=%d\n",
(int)it->max, sg_big_buff);
read_lock_irqsave(&sg_in... | DoS Overflow | 0 | static int sg_proc_seq_show_debug(struct seq_file *s, void *v)
{
struct sg_proc_deviter * it = (struct sg_proc_deviter *) v;
Sg_device *sdp;
unsigned long iflags;
if (it && (0 == it->index))
seq_printf(s, "max_active_device=%d def_reserved_size=%d\n",
(int)it->max, sg_big_buff);
read_lock_irqsave(&sg_in... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,894 | static int sg_proc_seq_show_dev(struct seq_file *s, void *v)
{
struct sg_proc_deviter * it = (struct sg_proc_deviter *) v;
Sg_device *sdp;
struct scsi_device *scsidp;
unsigned long iflags;
read_lock_irqsave(&sg_index_lock, iflags);
sdp = it ? sg_lookup_dev(it->index) : NULL;
if ((NULL == sdp) || (NULL == sdp->d... | DoS Overflow | 0 | static int sg_proc_seq_show_dev(struct seq_file *s, void *v)
{
struct sg_proc_deviter * it = (struct sg_proc_deviter *) v;
Sg_device *sdp;
struct scsi_device *scsidp;
unsigned long iflags;
read_lock_irqsave(&sg_index_lock, iflags);
sdp = it ? sg_lookup_dev(it->index) : NULL;
if ((NULL == sdp) || (NULL == sdp->d... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,895 | static int sg_proc_seq_show_devstrs(struct seq_file *s, void *v)
{
struct sg_proc_deviter * it = (struct sg_proc_deviter *) v;
Sg_device *sdp;
struct scsi_device *scsidp;
unsigned long iflags;
read_lock_irqsave(&sg_index_lock, iflags);
sdp = it ? sg_lookup_dev(it->index) : NULL;
scsidp = sdp ? sdp->device : NUL... | DoS Overflow | 0 | static int sg_proc_seq_show_devstrs(struct seq_file *s, void *v)
{
struct sg_proc_deviter * it = (struct sg_proc_deviter *) v;
Sg_device *sdp;
struct scsi_device *scsidp;
unsigned long iflags;
read_lock_irqsave(&sg_index_lock, iflags);
sdp = it ? sg_lookup_dev(it->index) : NULL;
scsidp = sdp ? sdp->device : NUL... | @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,896 | static int sg_proc_seq_show_int(struct seq_file *s, void *v)
{
seq_printf(s, "%d\n", *((int *)s->private));
return 0;
}
| DoS Overflow | 0 | static int sg_proc_seq_show_int(struct seq_file *s, void *v)
{
seq_printf(s, "%d\n", *((int *)s->private));
return 0;
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,897 | static int sg_proc_seq_show_version(struct seq_file *s, void *v)
{
seq_printf(s, "%d\t%s [%s]\n", sg_version_num, SG_VERSION_STR,
sg_version_date);
return 0;
}
| DoS Overflow | 0 | static int sg_proc_seq_show_version(struct seq_file *s, void *v)
{
seq_printf(s, "%d\t%s [%s]\n", sg_version_num, SG_VERSION_STR,
sg_version_date);
return 0;
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,898 | static int sg_proc_single_open_devhdr(struct inode *inode, struct file *file)
{
return single_open(file, sg_proc_seq_show_devhdr, NULL);
}
| DoS Overflow | 0 | static int sg_proc_single_open_devhdr(struct inode *inode, struct file *file)
{
return single_open(file, sg_proc_seq_show_devhdr, NULL);
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
33,899 | static int sg_proc_single_open_dressz(struct inode *inode, struct file *file)
{
return single_open(file, sg_proc_seq_show_int, &sg_big_buff);
}
| DoS Overflow | 0 | static int sg_proc_single_open_dressz(struct inode *inode, struct file *file)
{
return single_open(file, sg_proc_seq_show_int, &sg_big_buff);
}
| @@ -1744,6 +1744,9 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
md->from_user = 0;
}
+ if (unlikely(iov_count > MAX_UIOVEC))
+ return -EINVAL;
+
if (iov_count) {
int size = sizeof(struct iovec) * iov_count;
struct iovec *iov; | CWE-189 | null | null |
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