syzbot


WARNING in kcm_write_msgs
Status: upstream: reported C repro on 2020/03/19 07:10
Reported-by: syzbot+52624bdfbf2746d37d70@syzkaller.appspotmail.com
First crash: 497d, last: 1d13h

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING in kcm_write_msgs C inconclusive 1 409d 469d 0/1 upstream: reported C repro on 2020/04/12 04:13
linux-4.19 WARNING in kcm_write_msgs C 3 13d 482d 0/1 upstream: reported C repro on 2020/03/30 19:34

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/06/10 22:15 upstream f09eacca59d2 347a5dc3 .config log report syz C
ci-upstream-kasan-gce-smack-root 2021/03/02 19:41 upstream 7a7fd0de4a98 347a5dc3 .config log report syz C
ci-upstream-kasan-gce-smack-root 2021/01/10 10:56 upstream 2ff90100ace8 347a5dc3 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/11/12 13:08 upstream 3d5e28bff7ad 347a5dc3 .config log report syz C
Crashes (85):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/04/20 19:40 upstream ae83d0b416db 347a5dc3 .config log report syz C
ci-upstream-kasan-gce-root 2020/04/19 02:11 upstream 90280eaa88ac 365fba24 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/03/26 00:43 net 919a23e9d6cc 41f049cc .config log report syz C
ci-upstream-net-kasan-gce 2020/03/25 23:53 net-next 29f3490ba9d2 41f049cc .config log report syz C
ci-upstream-kasan-gce-smack-root 2021/07/11 06:42 upstream 3dbdb38e2869 8f5a7b8c .config log report info WARNING in kcm_write_msgs
ci-upstream-kasan-gce-smack-root 2021/04/13 08:40 upstream 89698becf06d bfeda1b1 .config log report info WARNING in kcm_write_msgs
ci-upstream-kasan-gce-selinux-root 2021/04/13 07:21 upstream 89698becf06d bfeda1b1 .config log report info WARNING in kcm_write_msgs
ci-upstream-net-this-kasan-gce 2021/07/24 06:34 net d72e91efcae1 bc5f1d88 .config log report info WARNING in kcm_write_msgs
ci-upstream-net-this-kasan-gce 2021/06/29 18:57 net a118ff661889 9d2ab5df .config log report info WARNING in kcm_write_msgs
ci-upstream-net-this-kasan-gce 2021/06/27 22:43 net d6765985a42a 9d2ab5df .config log report info WARNING in kcm_write_msgs
ci-upstream-net-this-kasan-gce 2021/06/26 07:05 net d6765985a42a 9d2ab5df .config log report info WARNING in kcm_write_msgs
ci-upstream-net-this-kasan-gce 2021/06/19 11:07 net 35036d69b9bd aba2b2fb .config log report info WARNING in kcm_write_msgs
ci-upstream-net-kasan-gce 2021/07/18 10:23 net-next 23d2b94043ca f115ae98 .config log report info WARNING in kcm_write_msgs
ci-upstream-net-kasan-gce 2021/07/17 23:47 net-next ab0441b4a920 f115ae98 .config log report info WARNING in kcm_write_msgs
ci-upstream-net-kasan-gce 2021/07/16 02:29 net-next 5c2c85315948 f115ae98 .config log report info WARNING in kcm_write_msgs
ci-upstream-net-kasan-gce 2021/07/12 14:52 net-next 5e437416ff66 a4869c92 .config log report info WARNING in kcm_write_msgs
ci-upstream-net-kasan-gce 2021/07/08 18:33 net-next 5e437416ff66 1b20171a .config log report info WARNING in kcm_write_msgs
ci-upstream-net-kasan-gce 2021/07/05 14:00 net-next 5e437416ff66 55aa55c2 .config log report info WARNING in kcm_write_msgs
ci-upstream-net-kasan-gce 2021/07/01 04:18 net-next b6df00789e28 38a885d1 .config log report info WARNING in kcm_write_msgs
ci-upstream-net-kasan-gce 2021/05/11 21:46 net-next 3913ba732e97 b3c3bb8e .config log report info WARNING in kcm_write_msgs
ci-upstream-net-kasan-gce 2021/05/10 18:35 net-next b741596468b0 ca873091 .config log report info WARNING in kcm_write_msgs
ci-upstream-net-kasan-gce 2021/05/10 02:47 net-next b741596468b0 bc5434be .config log report info WARNING in kcm_write_msgs
ci-upstream-net-kasan-gce 2021/05/07 20:12 net-next 95aafe911db6 f6da8120 .config log report info WARNING in kcm_write_msgs
ci-upstream-net-kasan-gce 2021/05/05 13:17 net-next 95aafe911db6 06c27ff5 .config log report info WARNING in kcm_write_msgs
ci-upstream-net-kasan-gce 2021/03/29 09:27 net-next 72642f4127c3 a8529b82 .config log report info WARNING in kcm_write_msgs
ci-upstream-net-kasan-gce 2021/01/21 23:13 net-next 9e8789c85dee d4f4eca5 .config log report info WARNING in kcm_write_msgs
ci-upstream-kasan-gce-selinux-root 2020/07/28 17:32 upstream 92ed30191993 cb93dc6a .config log report
ci-upstream-kasan-gce 2020/05/05 17:52 upstream 47cf1b422e60 4b76dd25 .config log report
ci-upstream-kasan-gce-selinux-root 2020/04/02 21:57 upstream 7be97138e727 a34e2c33 .config log report
ci-upstream-net-this-kasan-gce 2021/01/16 18:12 net bcd0cf19ef82 65a7a854 .config log report info
ci-upstream-net-this-kasan-gce 2020/12/11 10:33 net d9838b1d3928 f900b48c .config log report info
ci-upstream-net-this-kasan-gce 2020/12/01 19:28 net 237f977ab920 07bfe8a5 .config log report info
ci-upstream-net-this-kasan-gce 2020/11/29 03:49 net 4d521943f76b a0092f9d .config log report info
ci-upstream-net-this-kasan-gce 2020/11/19 06:03 net a3dcb3e7e70c 0767f13f .config log report info
ci-upstream-net-this-kasan-gce 2020/10/13 12:49 net 64a632da538a bd69ee0d .config log report info
ci-upstream-net-this-kasan-gce 2020/09/02 06:47 net a609d0259183 abf9ba4f .config log report
ci-upstream-net-this-kasan-gce 2020/08/21 03:21 net cf96d977381d 1d75fe45 .config log report
ci-upstream-net-this-kasan-gce 2020/07/07 11:02 net 1ca0fafd73c5 51095195 .config log report
ci-upstream-net-this-kasan-gce 2020/06/24 07:55 net b835a71ef64a 54566aff .config log report
ci-upstream-net-this-kasan-gce 2020/06/07 23:34 net 4e2905adac9f 2c2b926c .config log report
ci-upstream-net-this-kasan-gce 2020/06/07 21:45 net 4e2905adac9f 2c2b926c .config log report
ci-upstream-net-this-kasan-gce 2020/04/18 23:21 net 441870ee4240 365fba24 .config log report
ci-upstream-net-this-kasan-gce 2020/03/15 04:32 net 94b18a87efdd 749688d2 .config log report
ci-upstream-net-kasan-gce 2020/12/01 22:51 net-next cb7fb043e69a 07bfe8a5 .config log report info
ci-upstream-net-kasan-gce 2020/09/23 22:08 net-next 748d1c8a425e 287cd75a .config log report info
ci-upstream-net-kasan-gce 2020/09/15 15:26 net-next ed6d9b022813 6989d6f6 .config log report info
ci-upstream-net-kasan-gce 2020/09/03 22:35 net-next 22b330b622e3 abf9ba4f .config log report
ci-upstream-net-kasan-gce 2020/09/02 04:29 net-next dc1a9bf2c816 abf9ba4f .config log report
ci-upstream-net-kasan-gce 2020/08/25 06:37 net-next 85eb5bc33717 344da168 .config log report
ci-upstream-net-kasan-gce 2020/08/11 11:00 net-next bfdd5aaa54b0 bacaf5fa .config log report
ci-upstream-net-kasan-gce 2020/08/04 17:11 net-next da7955405fb2 80a06902 .config log report
ci-upstream-net-kasan-gce 2020/08/01 10:12 net-next 8f3f330da28e d895b3be .config log report
ci-upstream-net-kasan-gce 2020/07/31 16:04 net-next bd69058f50d5 8df85ed9 .config log report
ci-upstream-net-kasan-gce 2020/07/23 00:45 net-next a6c0d0934f0d 340ea530 .config log report
ci-upstream-net-kasan-gce 2020/07/21 18:46 net-next 71d4364abdc5 21f1765e .config log report
ci-upstream-net-kasan-gce 2020/07/14 07:26 net-next 2be53e0e4690 ce4c95b3 .config log report
ci-upstream-net-kasan-gce 2020/07/02 01:07 net-next 2b04a6615615 39acb39d .config log report
ci-upstream-net-kasan-gce 2020/06/19 19:53 net-next cb8e59cc8720 81abc331 .config log report
ci-upstream-net-kasan-gce 2020/04/18 06:52 net-next 2fcd80144b93 435c6d53 .config log report
ci-upstream-net-kasan-gce 2020/04/15 07:11 net-next 63bef48fd6c9 3f3c5574 .config log report
ci-upstream-net-kasan-gce 2020/03/30 08:58 net-next 41b145024ca7 05736b29 .config log report
ci-upstream-net-kasan-gce 2020/03/25 22:48 net-next 29f3490ba9d2 41f049cc .config log report