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  1. c/linux-6.15-rc5/depscan.html +165 -3
  2. c/linux-6.15-rc5/depscan.pdf +0 -0
  3. c/linux-6.15-rc5/depscan.txt +158 -1
  4. c/linux-6.15-rc5/sbom-prebuild-c.vdr.json +0 -0
c/linux-6.15-rc5/depscan.html CHANGED
@@ -10,7 +10,12 @@
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  .r5 {color: #5f5f5f; text-decoration-color: #5f5f5f}
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  .r6 {color: #800000; text-decoration-color: #800000}
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  .r8 {font-weight: bold}
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- .r9 {color: #808000; text-decoration-color: #808000; font-weight: bold}
 
 
 
 
 
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  body {
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@@ -365,12 +370,169 @@ Below are several data flows identified by depscan, including reachable ones. Us
365
  ║ <span class="r7">└── </span><span class="r5">fs/namei.c#4285 </span>new_decode_dev(dev) ║
366
  ║ <span class="r7"> </span><span class="r8">Tags:</span> <span class="r3">decode, library-call</span> ║
367
  ║ <span class="r7"> </span> ║
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
368
  ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
369
 
370
  <span class="r1">Secure Design Tips</span>
371
 
372
- <span class="r9"> • </span>Enhance your unit and integration tests to cover the flows listed above.
373
- <span class="r9"> • </span>Continuously fuzz the parser and validation functions with diverse payloads.
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  </code></pre>
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  </body>
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  </html>
 
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  .r5 {color: #5f5f5f; text-decoration-color: #5f5f5f}
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  .r6 {color: #800000; text-decoration-color: #800000}
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  .r8 {font-weight: bold}
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+ .r9 {color: #008000; text-decoration-color: #008000}
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+ .r10 {color: #008000; text-decoration-color: #008000; font-weight: bold}
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+ .r11 {color: #008000; text-decoration-color: #008000; font-style: italic}
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+ .r12 {color: #7f7f7f; text-decoration-color: #7f7f7f; font-style: italic}
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+ .r13 {color: #808000; text-decoration-color: #808000; font-weight: bold}
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+ .r14 {color: #008080; text-decoration-color: #008080; background-color: #000000; font-weight: bold}
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  body {
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  color: #000000;
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  background-color: #ffffff;
 
370
  ║ <span class="r7">└── </span><span class="r5">fs/namei.c#4285 </span>new_decode_dev(dev) ║
371
  ║ <span class="r7"> </span><span class="r8">Tags:</span> <span class="r3">decode, library-call</span> ║
372
  ║ <span class="r7"> </span> ║
373
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
374
+
375
+ <span class="r2">#21</span><span class="r3"> Parameter </span><span class="r4">dev</span><span class="r3"> ↩ to the method </span><span class="r2">__se_sys_mknodat</span><span class="r3"> </span>
376
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
377
+ ║ <span class="r5">fs/namei.c#4303 </span>__se_sys_mknodat(<span class="r6">dev</span>) ↩ ║
378
+ ║ <span class="r7">├── </span><span class="r5">fs/namei.c#4306 </span>do_mknodat(dfd, getname(filename), mode, dev) ║
379
+ ║ <span class="r7">├── </span><span class="r5">fs/namei.c#4253 </span>do_mknodat(<span class="r6">dev</span>) ↩ ║
380
+ ║ <span class="r7">├── </span><span class="r5">fs/namei.c#4271 </span>security_path_mknod(&amp;path, dentry, ║
381
+ ║ <span class="r7">├── </span><span class="r5">include/linux/security.h#2068 </span>security_path_mknod(<span class="r6">dev</span>) ↩ ║
382
+ ║ <span class="r7">└── </span><span class="r5">fs/namei.c#4285 </span>new_decode_dev(dev) ║
383
+ ║ <span class="r7"> </span><span class="r8">Tags:</span> <span class="r3">decode, library-call</span> ║
384
+ ║ <span class="r7"> </span> ║
385
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
386
+
387
+ <span class="r2">#22</span><span class="r3"> Parameter </span><span class="r4">es</span><span class="r3"> ↩ to the method </span><span class="r2">ext4_encoding_init</span><span class="r3"> </span>
388
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
389
+ ║ <span class="r5">fs/ext4/super.c#4610 </span>ext4_encoding_init(<span class="r6">es</span>) ↩ ║
390
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5308 </span>ext4_encoding_init(sb, es) ║
391
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5325 </span><span class="r9">ext4_check_feature_compatibility(sb, es, silent)</span> ║
392
+ ║ <span class="r7">│ </span><span class="r10">Tags:</span><span class="r9"> </span><span class="r11">validation</span> ║
393
+ ║ <span class="r7">│ </span> ║
394
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4653 </span><span class="r9">ext4_check_feature_compatibility(</span><span class="r6">es</span><span class="r9">) ↩</span> ║
395
+ ║ <span class="r7">│ </span><span class="r10">Tags:</span><span class="r9"> </span><span class="r11">validation</span> ║
396
+ ║ <span class="r7">│ </span> ║
397
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4658 </span>es-&gt;s_rev_level ║
398
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5341 </span><span class="r9">ext4_check_geometry(sb, es)</span> ║
399
+ ║ <span class="r7">│ </span><span class="r10">Tags:</span><span class="r9"> </span><span class="r11">validation</span> ║
400
+ ║ <span class="r7">│ </span> ║
401
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4757 </span><span class="r9">ext4_check_geometry(</span><span class="r6">es</span><span class="r9">) ↩</span> ║
402
+ ║ <span class="r7">│ </span><span class="r10">Tags:</span><span class="r9"> </span><span class="r11">validation</span> ║
403
+ ║ <span class="r7">│ </span> ║
404
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5349 </span>ext4_group_desc_init(sb, es, logical_sb_block, &amp;first_not_zeroed) ║
405
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4836 </span>ext4_group_desc_init(<span class="r6">es</span>) ↩ ║
406
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4848 </span>es-&gt;s_first_meta_bg ║
407
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5387 </span>es-&gt;s_uuid ║
408
+ ║ <span class="r7">├── </span><span class="r5">include/linux/fs.h#2714 </span>super_set_uuid(<span class="r6">uuid</span>) ↩ ║
409
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5416 </span>ext4_load_and_init_journal(sb, es, ctx) ║
410
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4898 </span>ext4_load_and_init_journal(<span class="r6">es</span>) ↩ ║
411
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4904 </span>ext4_load_journal(sb, es, ctx-&gt;journal_devnum) ║
412
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5983 </span>ext4_load_journal(<span class="r6">es</span>) ↩ ║
413
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5997 </span>es-&gt;s_journal_dev ║
414
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5996 </span>journal_devnum &amp;&amp; ║
415
+ ║ <span class="r7">└── </span><span class="r5">fs/ext4/super.c#6000 </span>new_decode_dev(journal_devnum) ║
416
+ ║ <span class="r7"> </span><span class="r8">Tags:</span> <span class="r3">decode, library-call</span> ║
417
+ ║ <span class="r7"> </span> ║
418
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
419
+ <span class="r12"> ◽ Verify that the mitigation(s) used in this flow are valid and appropriate for your security requirements. </span>
420
+
421
+ <span class="r2">#23</span><span class="r3"> Parameter </span><span class="r4">fc</span><span class="r3"> ↩ to the method </span><span class="r2">ext4_fill_super</span><span class="r3"> </span>
422
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
423
+ ║ <span class="r5">fs/ext4/super.c#5706 </span>ext4_fill_super(<span class="r6">fc</span>) ↩ ║
424
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5708 </span>fc-&gt;fs_private ║
425
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5726 </span>__ext4_fill_super(fc, sb) ║
426
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5244 </span>__ext4_fill_super(<span class="r6">fc</span>) ↩ ║
427
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5257 </span>ctx-&gt;spec ║
428
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5295 </span>parse_apply_sb_mount_options(sb, ctx) ║
429
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#2462 </span>parse_apply_sb_mount_options(<span class="r6">m_ctx</span>) ↩ ║
430
+ ║ <span class="r7">│ </span><span class="r8">Tags:</span> <span class="r3">parse</span> ║
431
+ ║ <span class="r7">│ </span> ║
432
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5416 </span>ext4_load_and_init_journal(sb, es, ctx) ║
433
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4899 </span>ext4_load_and_init_journal(<span class="r6">ctx</span>) ↩ ║
434
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4904 </span>ctx-&gt;journal_devnum ║
435
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5984 </span>ext4_load_journal(<span class="r6">journal_devnum</span>) ↩ ║
436
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5997 </span>journal_devnum != le32_to_cpu(es-&gt;s_journal_dev) ║
437
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5996 </span>journal_devnum &amp;&amp; ║
438
+ ║ <span class="r7">└── </span><span class="r5">fs/ext4/super.c#6000 </span>new_decode_dev(journal_devnum) ║
439
+ ║ <span class="r7"> </span><span class="r8">Tags:</span> <span class="r3">decode, library-call</span> ║
440
+ ║ <span class="r7"> </span> ║
441
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
442
+
443
+ <span class="r2">#24</span><span class="r3"> Parameter </span><span class="r4">fc</span><span class="r3"> ↩ to the method </span><span class="r2">__ext4_fill_super</span><span class="r3"> </span>
444
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
445
+ ║ <span class="r5">fs/ext4/super.c#5244 </span>__ext4_fill_super(<span class="r6">fc</span>) ↩ ║
446
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5253 </span>fc-&gt;fs_private ║
447
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5257 </span>ctx-&gt;spec ║
448
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5295 </span>parse_apply_sb_mount_options(sb, ctx) ║
449
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#2462 </span>parse_apply_sb_mount_options(<span class="r6">m_ctx</span>) ↩ ║
450
+ ║ <span class="r7">│ </span><span class="r8">Tags:</span> <span class="r3">parse</span> ║
451
+ ║ <span class="r7">│ </span> ║
452
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5416 </span>ext4_load_and_init_journal(sb, es, ctx) ║
453
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4899 </span>ext4_load_and_init_journal(<span class="r6">ctx</span>) ↩ ║
454
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4904 </span>ctx-&gt;journal_devnum ║
455
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5984 </span>ext4_load_journal(<span class="r6">journal_devnum</span>) ↩ ║
456
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5997 </span>journal_devnum != le32_to_cpu(es-&gt;s_journal_dev) ║
457
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5996 </span>journal_devnum &amp;&amp; ║
458
+ ║ <span class="r7">└── </span><span class="r5">fs/ext4/super.c#6000 </span>new_decode_dev(journal_devnum) ║
459
+ ║ <span class="r7"> </span><span class="r8">Tags:</span> <span class="r3">decode, library-call</span> ║
460
+ ║ <span class="r7"> </span> ║
461
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
462
+
463
+ <span class="r2">#25</span><span class="r3"> Parameter </span><span class="r4">m_ctx</span><span class="r3"> ↩ to the method </span><span class="r2">parse_apply_sb_mount_options</span><span class="r3"> can be used to reach packages with tags `parse` </span>
464
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
465
+ ║ <span class="r5">fs/ext4/super.c#2462 </span>parse_apply_sb_mount_options(<span class="r6">m_ctx</span>) ↩ ║
466
+ ║ <span class="r8">Tags:</span> <span class="r3">parse</span> ║
467
+ ║ ║
468
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5295 </span>parse_apply_sb_mount_options(sb, ctx) ║
469
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5416 </span>ext4_load_and_init_journal(sb, es, ctx) ║
470
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4899 </span>ext4_load_and_init_journal(<span class="r6">ctx</span>) ↩ ║
471
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4904 </span>ctx-&gt;journal_devnum ║
472
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5984 </span>ext4_load_journal(<span class="r6">journal_devnum</span>) ↩ ║
473
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5997 </span>journal_devnum != le32_to_cpu(es-&gt;s_journal_dev) ║
474
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5996 </span>journal_devnum &amp;&amp; ║
475
+ ║ <span class="r7">└── </span><span class="r5">fs/ext4/super.c#6000 </span>new_decode_dev(journal_devnum) ║
476
+ ║ <span class="r7"> </span><span class="r8">Tags:</span> <span class="r3">decode, library-call</span> ║
477
+ ║ <span class="r7"> </span> ║
478
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
479
+
480
+ <span class="r2">#26</span><span class="r3"> Parameter </span><span class="r4">ctx</span><span class="r3"> ↩ to the method </span><span class="r2">ext4_load_and_init_journal</span><span class="r3"> </span>
481
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
482
+ ║ <span class="r5">fs/ext4/super.c#4899 </span>ext4_load_and_init_journal(<span class="r6">ctx</span>) ↩ ║
483
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4904 </span>ctx-&gt;journal_devnum ║
484
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5984 </span>ext4_load_journal(<span class="r6">journal_devnum</span>) ↩ ║
485
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5997 </span>journal_devnum != le32_to_cpu(es-&gt;s_journal_dev) ║
486
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5996 </span>journal_devnum &amp;&amp; ║
487
+ ║ <span class="r7">└── </span><span class="r5">fs/ext4/super.c#6000 </span>new_decode_dev(journal_devnum) ║
488
+ ║ <span class="r7"> </span><span class="r8">Tags:</span> <span class="r3">decode, library-call</span> ║
489
+ ║ <span class="r7"> </span> ║
490
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
491
+
492
+ <span class="r2">#27</span><span class="r3"> Parameter </span><span class="r4">es</span><span class="r3"> ↩ to the method </span><span class="r2">ext4_check_geometry</span><span class="r3"> can be used to reach packages with tags `validation` </span>
493
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
494
+ ║ <span class="r5">fs/ext4/super.c#4757 </span><span class="r9">ext4_check_geometry(</span><span class="r6">es</span><span class="r9">) ↩</span> ║
495
+ ║ <span class="r10">Tags:</span><span class="r9"> </span><span class="r11">validation</span> ║
496
+ ║ ║
497
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5341 </span><span class="r9">ext4_check_geometry(sb, es)</span> ║
498
+ ║ <span class="r7">│ </span><span class="r10">Tags:</span><span class="r9"> </span><span class="r11">validation</span> ║
499
+ ║ <span class="r7">│ </span> ║
500
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5349 </span>ext4_group_desc_init(sb, es, logical_sb_block, &amp;first_not_zeroed) ║
501
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4836 </span>ext4_group_desc_init(<span class="r6">es</span>) ↩ ║
502
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4848 </span>es-&gt;s_first_meta_bg ║
503
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5387 </span>es-&gt;s_uuid ║
504
+ ║ <span class="r7">├── </span><span class="r5">include/linux/fs.h#2714 </span>super_set_uuid(<span class="r6">uuid</span>) ↩ ║
505
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5416 </span>ext4_load_and_init_journal(sb, es, ctx) ║
506
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4898 </span>ext4_load_and_init_journal(<span class="r6">es</span>) ↩ ║
507
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4904 </span>ext4_load_journal(sb, es, ctx-&gt;journal_devnum) ║
508
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5983 </span>ext4_load_journal(<span class="r6">es</span>) ↩ ║
509
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5997 </span>es-&gt;s_journal_dev ║
510
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5996 </span>journal_devnum &amp;&amp; ║
511
+ ║ <span class="r7">└── </span><span class="r5">fs/ext4/super.c#6000 </span>new_decode_dev(journal_devnum) ║
512
+ ║ <span class="r7"> </span><span class="r8">Tags:</span> <span class="r3">decode, library-call</span> ║
513
+ ║ <span class="r7"> </span> ║
514
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
515
+ <span class="r12"> ◽ Verify that the mitigation(s) used in this flow are valid and appropriate for your security requirements. </span>
516
+
517
+ <span class="r2">#28</span><span class="r3"> Parameter </span><span class="r4">uuid</span><span class="r3"> ↩ to the method </span><span class="r2">super_set_uuid</span><span class="r3"> </span>
518
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
519
+ ║ <span class="r5">include/linux/fs.h#2714 </span>super_set_uuid(<span class="r6">uuid</span>) ↩ ║
520
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5387 </span>es-&gt;s_uuid ║
521
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5416 </span>ext4_load_and_init_journal(sb, es, ctx) ║
522
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4898 </span>ext4_load_and_init_journal(<span class="r6">es</span>) ↩ ║
523
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#4904 </span>ext4_load_journal(sb, es, ctx-&gt;journal_devnum) ║
524
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5983 </span>ext4_load_journal(<span class="r6">es</span>) ↩ ║
525
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5997 </span>es-&gt;s_journal_dev ║
526
+ ║ <span class="r7">├── </span><span class="r5">fs/ext4/super.c#5996 </span>journal_devnum &amp;&amp; ║
527
+ ║ <span class="r7">└── </span><span class="r5">fs/ext4/super.c#6000 </span>new_decode_dev(journal_devnum) ║
528
+ ║ <span class="r7"> </span><span class="r8">Tags:</span> <span class="r3">decode, library-call</span> ║
529
+ ║ <span class="r7"> </span> ║
530
  ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
531
 
532
  <span class="r1">Secure Design Tips</span>
533
 
534
+ <span class="r13"> • </span>Continuously fuzz the parser and validation functions with diverse payloads.
535
+ <span class="r13"> • </span>Generate post-build SBOMs with OWASP blint by building this project for various architecture combinations. Re-run depscan with the <span class="r14">--bom-dir</span> argument to enhance the analysis.
536
  </code></pre>
537
  </body>
538
  </html>
c/linux-6.15-rc5/depscan.pdf CHANGED
Binary files a/c/linux-6.15-rc5/depscan.pdf and b/c/linux-6.15-rc5/depscan.pdf differ
 
c/linux-6.15-rc5/depscan.txt CHANGED
@@ -345,9 +345,166 @@ Below are several data flows identified by depscan, including reachable ones. Us
345
  ║ └── fs/namei.c#4285 new_decode_dev(dev) ║
346
  ║ Tags: decode, library-call ║
347
  ║ ║
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
348
  ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
349
 
350
  Secure Design Tips
351
 
352
- • Enhance your unit and integration tests to cover the flows listed above.
353
  • Continuously fuzz the parser and validation functions with diverse payloads.
 
 
345
  ║ └── fs/namei.c#4285 new_decode_dev(dev) ║
346
  ║ Tags: decode, library-call ║
347
  ║ ║
348
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
349
+
350
+ #21 Parameter dev ↩ to the method __se_sys_mknodat
351
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
352
+ ║ fs/namei.c#4303 __se_sys_mknodat(dev) ↩ ║
353
+ ║ ├── fs/namei.c#4306 do_mknodat(dfd, getname(filename), mode, dev) ║
354
+ ║ ├── fs/namei.c#4253 do_mknodat(dev) ↩ ║
355
+ ║ ├── fs/namei.c#4271 security_path_mknod(&path, dentry, ║
356
+ ║ ├── include/linux/security.h#2068 security_path_mknod(dev) ↩ ║
357
+ ║ └── fs/namei.c#4285 new_decode_dev(dev) ║
358
+ ║ Tags: decode, library-call ║
359
+ ║ ║
360
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
361
+
362
+ #22 Parameter es ↩ to the method ext4_encoding_init
363
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
364
+ ║ fs/ext4/super.c#4610 ext4_encoding_init(es) ↩ ║
365
+ ║ ├── fs/ext4/super.c#5308 ext4_encoding_init(sb, es) ║
366
+ ║ ├── fs/ext4/super.c#5325 ext4_check_feature_compatibility(sb, es, silent) ║
367
+ ║ │ Tags: validation ║
368
+ ║ │ ║
369
+ ║ ├── fs/ext4/super.c#4653 ext4_check_feature_compatibility(es) ↩ ║
370
+ ║ │ Tags: validation ║
371
+ ║ │ ║
372
+ ║ ├── fs/ext4/super.c#4658 es->s_rev_level ║
373
+ ║ ├── fs/ext4/super.c#5341 ext4_check_geometry(sb, es) ║
374
+ ║ │ Tags: validation ║
375
+ ║ │ ║
376
+ ║ ├── fs/ext4/super.c#4757 ext4_check_geometry(es) ↩ ║
377
+ ║ │ Tags: validation ║
378
+ ║ │ ║
379
+ ║ ├── fs/ext4/super.c#5349 ext4_group_desc_init(sb, es, logical_sb_block, &first_not_zeroed) ║
380
+ ║ ├── fs/ext4/super.c#4836 ext4_group_desc_init(es) ↩ ║
381
+ ║ ├── fs/ext4/super.c#4848 es->s_first_meta_bg ║
382
+ ║ ├── fs/ext4/super.c#5387 es->s_uuid ║
383
+ ║ ├── include/linux/fs.h#2714 super_set_uuid(uuid) ↩ ║
384
+ ║ ├── fs/ext4/super.c#5416 ext4_load_and_init_journal(sb, es, ctx) ║
385
+ ║ ├── fs/ext4/super.c#4898 ext4_load_and_init_journal(es) ↩ ║
386
+ ║ ├── fs/ext4/super.c#4904 ext4_load_journal(sb, es, ctx->journal_devnum) ║
387
+ ║ ├── fs/ext4/super.c#5983 ext4_load_journal(es) ↩ ║
388
+ ║ ├── fs/ext4/super.c#5997 es->s_journal_dev ║
389
+ ║ ├── fs/ext4/super.c#5996 journal_devnum && ║
390
+ ║ └── fs/ext4/super.c#6000 new_decode_dev(journal_devnum) ║
391
+ ║ Tags: decode, library-call ║
392
+ ║ ║
393
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
394
+ ◽ Verify that the mitigation(s) used in this flow are valid and appropriate for your security requirements.
395
+
396
+ #23 Parameter fc ↩ to the method ext4_fill_super
397
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
398
+ ║ fs/ext4/super.c#5706 ext4_fill_super(fc) ↩ ║
399
+ ║ ├── fs/ext4/super.c#5708 fc->fs_private ║
400
+ ║ ├── fs/ext4/super.c#5726 __ext4_fill_super(fc, sb) ║
401
+ ║ ├── fs/ext4/super.c#5244 __ext4_fill_super(fc) ↩ ║
402
+ ║ ├── fs/ext4/super.c#5257 ctx->spec ║
403
+ ║ ├── fs/ext4/super.c#5295 parse_apply_sb_mount_options(sb, ctx) ║
404
+ ║ ├── fs/ext4/super.c#2462 parse_apply_sb_mount_options(m_ctx) ↩ ║
405
+ ║ │ Tags: parse ║
406
+ ║ │ ║
407
+ ║ ├── fs/ext4/super.c#5416 ext4_load_and_init_journal(sb, es, ctx) ║
408
+ ║ ├── fs/ext4/super.c#4899 ext4_load_and_init_journal(ctx) ↩ ║
409
+ ║ ├── fs/ext4/super.c#4904 ctx->journal_devnum ║
410
+ ║ ├── fs/ext4/super.c#5984 ext4_load_journal(journal_devnum) ↩ ║
411
+ ║ ├── fs/ext4/super.c#5997 journal_devnum != le32_to_cpu(es->s_journal_dev) ║
412
+ ║ ├── fs/ext4/super.c#5996 journal_devnum && ║
413
+ ║ └── fs/ext4/super.c#6000 new_decode_dev(journal_devnum) ║
414
+ ║ Tags: decode, library-call ║
415
+ ║ ║
416
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
417
+
418
+ #24 Parameter fc ↩ to the method __ext4_fill_super
419
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
420
+ ║ fs/ext4/super.c#5244 __ext4_fill_super(fc) ↩ ║
421
+ ║ ├── fs/ext4/super.c#5253 fc->fs_private ║
422
+ ║ ├── fs/ext4/super.c#5257 ctx->spec ║
423
+ ║ ├── fs/ext4/super.c#5295 parse_apply_sb_mount_options(sb, ctx) ║
424
+ ║ ├── fs/ext4/super.c#2462 parse_apply_sb_mount_options(m_ctx) ↩ ║
425
+ ║ │ Tags: parse ║
426
+ ║ │ ║
427
+ ║ ├── fs/ext4/super.c#5416 ext4_load_and_init_journal(sb, es, ctx) ║
428
+ ║ ├── fs/ext4/super.c#4899 ext4_load_and_init_journal(ctx) ↩ ║
429
+ ║ ├── fs/ext4/super.c#4904 ctx->journal_devnum ║
430
+ ║ ├── fs/ext4/super.c#5984 ext4_load_journal(journal_devnum) ↩ ║
431
+ ║ ├── fs/ext4/super.c#5997 journal_devnum != le32_to_cpu(es->s_journal_dev) ║
432
+ ║ ├── fs/ext4/super.c#5996 journal_devnum && ║
433
+ ║ └── fs/ext4/super.c#6000 new_decode_dev(journal_devnum) ║
434
+ ║ Tags: decode, library-call ║
435
+ ║ ║
436
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
437
+
438
+ #25 Parameter m_ctx ↩ to the method parse_apply_sb_mount_options can be used to reach packages with tags `parse`
439
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
440
+ ║ fs/ext4/super.c#2462 parse_apply_sb_mount_options(m_ctx) ↩ ║
441
+ ║ Tags: parse ║
442
+ ║ ║
443
+ ║ ├── fs/ext4/super.c#5295 parse_apply_sb_mount_options(sb, ctx) ║
444
+ ║ ├── fs/ext4/super.c#5416 ext4_load_and_init_journal(sb, es, ctx) ║
445
+ ║ ├── fs/ext4/super.c#4899 ext4_load_and_init_journal(ctx) ↩ ║
446
+ ║ ├── fs/ext4/super.c#4904 ctx->journal_devnum ║
447
+ ║ ├── fs/ext4/super.c#5984 ext4_load_journal(journal_devnum) ↩ ║
448
+ ║ ├── fs/ext4/super.c#5997 journal_devnum != le32_to_cpu(es->s_journal_dev) ║
449
+ ║ ├── fs/ext4/super.c#5996 journal_devnum && ║
450
+ ║ └── fs/ext4/super.c#6000 new_decode_dev(journal_devnum) ║
451
+ ║ Tags: decode, library-call ║
452
+ ║ ║
453
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
454
+
455
+ #26 Parameter ctx ↩ to the method ext4_load_and_init_journal
456
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
457
+ ║ fs/ext4/super.c#4899 ext4_load_and_init_journal(ctx) ↩ ║
458
+ ║ ├── fs/ext4/super.c#4904 ctx->journal_devnum ║
459
+ ║ ├── fs/ext4/super.c#5984 ext4_load_journal(journal_devnum) ↩ ║
460
+ ║ ├── fs/ext4/super.c#5997 journal_devnum != le32_to_cpu(es->s_journal_dev) ║
461
+ ║ ├── fs/ext4/super.c#5996 journal_devnum && ║
462
+ ║ └── fs/ext4/super.c#6000 new_decode_dev(journal_devnum) ║
463
+ ║ Tags: decode, library-call ║
464
+ ║ ║
465
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
466
+
467
+ #27 Parameter es ↩ to the method ext4_check_geometry can be used to reach packages with tags `validation`
468
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
469
+ ║ fs/ext4/super.c#4757 ext4_check_geometry(es) ↩ ║
470
+ ║ Tags: validation ║
471
+ ║ ║
472
+ ║ ├── fs/ext4/super.c#5341 ext4_check_geometry(sb, es) ║
473
+ ║ │ Tags: validation ║
474
+ ║ │ ║
475
+ ║ ├── fs/ext4/super.c#5349 ext4_group_desc_init(sb, es, logical_sb_block, &first_not_zeroed) ║
476
+ ║ ├── fs/ext4/super.c#4836 ext4_group_desc_init(es) ↩ ║
477
+ ║ ├── fs/ext4/super.c#4848 es->s_first_meta_bg ║
478
+ ║ ├── fs/ext4/super.c#5387 es->s_uuid ║
479
+ ║ ├── include/linux/fs.h#2714 super_set_uuid(uuid) ↩ ║
480
+ ║ ├── fs/ext4/super.c#5416 ext4_load_and_init_journal(sb, es, ctx) ║
481
+ ║ ├── fs/ext4/super.c#4898 ext4_load_and_init_journal(es) ↩ ║
482
+ ║ ├── fs/ext4/super.c#4904 ext4_load_journal(sb, es, ctx->journal_devnum) ║
483
+ ║ ├── fs/ext4/super.c#5983 ext4_load_journal(es) ↩ ║
484
+ ║ ├── fs/ext4/super.c#5997 es->s_journal_dev ║
485
+ ║ ├── fs/ext4/super.c#5996 journal_devnum && ║
486
+ ║ └── fs/ext4/super.c#6000 new_decode_dev(journal_devnum) ║
487
+ ║ Tags: decode, library-call ║
488
+ ║ ║
489
+ ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
490
+ ◽ Verify that the mitigation(s) used in this flow are valid and appropriate for your security requirements.
491
+
492
+ #28 Parameter uuid ↩ to the method super_set_uuid
493
+ ╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
494
+ ║ include/linux/fs.h#2714 super_set_uuid(uuid) ↩ ║
495
+ ║ ├── fs/ext4/super.c#5387 es->s_uuid ║
496
+ ║ ├── fs/ext4/super.c#5416 ext4_load_and_init_journal(sb, es, ctx) ║
497
+ ║ ├── fs/ext4/super.c#4898 ext4_load_and_init_journal(es) ↩ ║
498
+ ║ ├── fs/ext4/super.c#4904 ext4_load_journal(sb, es, ctx->journal_devnum) ║
499
+ ║ ├── fs/ext4/super.c#5983 ext4_load_journal(es) ↩ ║
500
+ ║ ├── fs/ext4/super.c#5997 es->s_journal_dev ║
501
+ ║ ├── fs/ext4/super.c#5996 journal_devnum && ║
502
+ ║ └── fs/ext4/super.c#6000 new_decode_dev(journal_devnum) ║
503
+ ║ Tags: decode, library-call ║
504
+ ║ ║
505
  ╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
506
 
507
  Secure Design Tips
508
 
 
509
  • Continuously fuzz the parser and validation functions with diverse payloads.
510
+ • Generate post-build SBOMs with OWASP blint by building this project for various architecture combinations. Re-run depscan with the --bom-dir argument to enhance the analysis.
c/linux-6.15-rc5/sbom-prebuild-c.vdr.json CHANGED
The diff for this file is too large to render. See raw diff