syzbot


WARNING in media_create_pad_link
Status: upstream: reported C repro on 2020/05/14 20:18
Reported-by: syzbot+dd320d114deb3f5bb79b@syzkaller.appspotmail.com
First crash: 342d, last: 1d23h

Cause bisection: introduced by (bisect log) :
commit f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10
Author: Andrey Konovalov <andreyknvl@google.com>
Date: Mon Feb 24 16:13:03 2020 +0000

  usb: gadget: add raw-gadget interface

Crash: KASAN: use-after-free Read in __media_entity_remove_links (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit adb6e6ac20eedcf1dce19dc75b224e63c0828ea1
Author: Bastien Nocera <hadess@hadess.net>
Date: Tue Aug 18 11:04:43 2020 +0000

  USB: Also match device drivers using the ->match vfunc


Sample crash report:

Crashes (30):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/05/29 22:00 upstream 75caf310 3905eaae .config log report syz C
ci-upstream-kasan-gce 2020/05/28 22:06 upstream b0c3ba31 0d951763 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/05/21 21:34 upstream b85051e7 1f30020f .config log report syz C
ci-upstream-kasan-gce-root 2020/05/21 19:55 upstream b85051e7 1f30020f .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/05/21 16:00 upstream b85051e7 1f30020f .config log report syz C
ci2-upstream-usb 2020/12/08 06:16 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 08a02f95 51a9082e .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/05/28 22:01 linux-next ff387fc2 0d951763 .config log report syz C
ci2-upstream-usb 2020/05/28 21:37 https://github.com/google/kasan.git usb-fuzzer d19c64b3 c7192a2f .config log report syz C
ci2-upstream-usb 2020/05/14 03:16 https://github.com/google/kasan.git usb-fuzzer 059e7e0f a885920d .config log report syz C
ci-upstream-kasan-gce-386 2020/05/28 22:10 upstream b0c3ba31 0d951763 .config log report syz
ci-upstream-kasan-gce-root 2021/04/12 23:31 upstream d434405a bfeda1b1 .config log report info WARNING in media_create_pad_link
ci-upstream-kasan-gce-smack-root 2021/04/02 18:15 upstream 1678e493 6a81331a .config log report info WARNING in media_create_pad_link
ci-upstream-kasan-gce 2021/04/02 13:53 upstream 1678e493 6a81331a .config log report info WARNING in media_create_pad_link
ci-upstream-kasan-gce 2021/04/02 11:00 upstream ffd9fb54 6a81331a .config log report info WARNING in media_create_pad_link
ci-upstream-kasan-gce-386 2021/04/02 16:11 upstream 1678e493 6a81331a .config log report info WARNING in media_create_pad_link
ci2-upstream-usb 2021/04/20 00:07 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4b853c23 4285c989 .config log report info WARNING in media_create_pad_link
ci2-upstream-usb 2021/04/15 16:07 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4b853c23 fcdb12ba .config log report info WARNING in media_create_pad_link
ci2-upstream-usb 2021/04/11 10:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3db53374 6a81331a .config log report info WARNING in media_create_pad_link
ci2-upstream-usb 2021/04/10 09:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 49696027 6a81331a .config log report info WARNING in media_create_pad_link
ci-upstream-linux-next-kasan-gce-root 2021/04/02 11:44 linux-next 454c576c 6a81331a .config log report info WARNING in media_create_pad_link
ci2-upstream-usb 2021/04/02 11:37 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing e5242861 6a81331a .config log report info WARNING in media_create_pad_link
ci2-upstream-usb 2021/03/24 06:21 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 049d3db6 e613994b .config log report info WARNING in media_create_pad_link
ci2-upstream-usb 2021/02/05 18:07 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 23e32a59 23a562df .config log report info WARNING in media_create_pad_link
ci2-upstream-usb 2021/02/01 01:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3c648d3d fc9fd31e .config log report info WARNING in media_create_pad_link
ci-upstream-kasan-gce-root 2020/08/14 15:59 upstream a1d21081 424dd8e7 .config log report
ci-upstream-kasan-gce-selinux-root 2020/07/03 14:33 upstream cd77006e bed10395 .config log report
ci2-upstream-usb 2020/12/13 22:10 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a256e240 8f160dd5 .config log report info
ci2-upstream-usb 2020/06/28 12:22 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b3a5ce87 a2cdad9d .config log report
ci2-upstream-usb 2020/06/16 14:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b3a9e3b9 4ea9d964 .config log report
ci2-upstream-usb 2020/06/12 17:08 https://github.com/google/kasan.git usb-fuzzer b791d1bd 3036d6fd .config log report