syzbot


KASAN: use-after-free Read in v4l2_release (3)
Status: upstream: reported C repro on 2020/01/08 20:24
Reported-by: syzbot+75287f75e2fedd69d680@syzkaller.appspotmail.com
First crash: 567d, last: 11d

Cause bisection: failed (bisect log)

Fix bisection: failed (bisect log)
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: use-after-free Read in v4l2_release C 275 732d 835d 13/22 fixed on 2019/08/05 13:45
upstream KASAN: use-after-free Read in v4l2_release (2) 9 596d 674d 0/22 closed as dup on 2019/09/23 15:12
Patch testing requests:
Created Duration User Patch Repo Result
2020/01/24 12:41 12m andreyknvl@google.com patch https://github.com/google/kasan.git ae179410 report log

Sample crash report:

Crashes (34):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-upstream-usb 2020/07/06 07:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 768a07412843 ac5a135b .config log report syz C
ci2-upstream-usb 2020/05/30 01:00 https://github.com/google/kasan.git usb-fuzzer 2089c6ed5a17 bed08304 .config log report syz C
ci2-upstream-usb 2020/05/14 14:23 https://github.com/google/kasan.git usb-fuzzer 059e7e0ff26c 2d572622 .config log report syz C
ci2-upstream-usb 2020/05/14 13:37 https://github.com/google/kasan.git usb-fuzzer 059e7e0ff26c 2d572622 .config log report syz C
ci2-upstream-usb 2020/01/22 22:58 https://github.com/google/kasan.git usb-fuzzer 4cc301ee04d9 3334d684 .config log report syz C
ci-upstream-kasan-gce-root 2021/05/28 06:57 upstream 97e5bf604b7a 858ea628 .config log report syz KASAN: use-after-free Read in v4l2_release
ci-upstream-linux-next-kasan-gce-root 2021/07/17 20:01 linux-next c1a6d08348fc f115ae98 .config log report syz KASAN: use-after-free Read in v4l2_release
ci2-upstream-usb 2020/12/15 01:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a256e24021bf 97183ed7 .config log report syz
ci2-upstream-usb 2021/02/05 13:10 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 23e32a595e11 23a562df .config log report info KASAN: use-after-free Read in v4l2_release
ci-upstream-kasan-gce-386 2020/12/09 00:18 upstream 7d8761ba27fc a7f7f4a4 .config log report info
ci2-upstream-usb 2020/05/14 22:28 https://github.com/google/kasan.git usb-fuzzer 059e7e0ff26c 2d572622 .config log report
ci2-upstream-usb 2020/05/14 21:51 https://github.com/google/kasan.git usb-fuzzer 059e7e0ff26c 2d572622 .config log report
ci2-upstream-usb 2020/05/14 17:32 https://github.com/google/kasan.git usb-fuzzer 059e7e0ff26c 2d572622 .config log report
ci2-upstream-usb 2020/05/14 14:16 https://github.com/google/kasan.git usb-fuzzer 059e7e0ff26c 2d572622 .config log report
ci2-upstream-usb 2020/05/14 12:12 https://github.com/google/kasan.git usb-fuzzer 059e7e0ff26c 2d572622 .config log report
ci2-upstream-usb 2020/05/14 08:20 https://github.com/google/kasan.git usb-fuzzer 059e7e0ff26c a885920d .config log report
ci2-upstream-usb 2020/02/07 13:56 https://github.com/google/kasan.git usb-fuzzer e5cd56e94edd 06150bf1 .config log report
ci2-upstream-usb 2020/02/04 11:00 https://github.com/google/kasan.git usb-fuzzer cd234325a5f1 93e5e335 .config log report
ci2-upstream-usb 2020/02/03 14:38 https://github.com/google/kasan.git usb-fuzzer cd234325a5f1 93e5e335 .config log report
ci2-upstream-usb 2020/02/02 21:24 https://github.com/google/kasan.git usb-fuzzer cd234325a5f1 93e5e335 .config log report
ci2-upstream-usb 2020/02/02 17:33 https://github.com/google/kasan.git usb-fuzzer cd234325a5f1 93e5e335 .config log report
ci2-upstream-usb 2020/02/01 20:10 https://github.com/google/kasan.git usb-fuzzer cd234325a5f1 326d4c78 .config log report
ci2-upstream-usb 2020/01/31 00:15 https://github.com/google/kasan.git usb-fuzzer cd234325a5f1 5ed23f9a .config log report
ci2-upstream-usb 2020/01/30 15:48 https://github.com/google/kasan.git usb-fuzzer cd234325a5f1 5ed23f9a .config log report
ci2-upstream-usb 2020/01/29 19:39 https://github.com/google/kasan.git usb-fuzzer cd234325a5f1 5ed23f9a .config log report
ci2-upstream-usb 2020/01/29 16:46 https://github.com/google/kasan.git usb-fuzzer cd234325a5f1 5ed23f9a .config log report
ci2-upstream-usb 2020/01/29 12:33 https://github.com/google/kasan.git usb-fuzzer cd234325a5f1 c8e81ce4 .config log report
ci2-upstream-usb 2020/01/28 22:38 https://github.com/google/kasan.git usb-fuzzer cd234325a5f1 c8e81ce4 .config log report
ci2-upstream-usb 2020/01/28 09:28 https://github.com/google/kasan.git usb-fuzzer cd234325a5f1 56cd6c9b .config log report
ci2-upstream-usb 2020/01/22 00:53 https://github.com/google/kasan.git usb-fuzzer 4cc301ee04d9 8eda0b95 .config log report
ci2-upstream-usb 2020/01/21 01:52 https://github.com/google/kasan.git usb-fuzzer 4cc301ee04d9 8eda0b95 .config log report
ci2-upstream-usb 2020/01/15 13:20 https://github.com/google/kasan.git usb-fuzzer 4cc301ee04d9 fa12bd3c .config log report
ci2-upstream-usb 2020/01/13 03:26 https://github.com/google/kasan.git usb-fuzzer ae1794106b94 53faa9fe .config log report
ci2-upstream-usb 2020/01/08 14:41 https://github.com/google/kasan.git usb-fuzzer ae1794106b94 ddc3e859 .config log report