syzbot


WARNING: refcount bug in igmp_start_timer
Status: fixed on 2020/04/17 19:57
Reported-by: syzbot+e28037ac1c96d2a86e89@syzkaller.appspotmail.com
Fix commit: 323ebb61e32b net: use listified RX for handling GRO_NORMAL skbs
First crash: 1209d, last: 842d

Cause bisection: introduced by (bisect log) :
commit fc5e9d63a8db40e9e3a3b180be33d44af8a3cee8
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed May 24 14:52:05 2017 +0000

  drm/sti: Drop drm_vblank_cleanup

Crash: WARNING: ODEBUG bug in __do_softirq (log)
Repro: syz .config

Fix bisection: fixed by (bisect log) :
commit 323ebb61e32b478e2432c5a3cbf9e2ca678a9609
Author: Edward Cree <ecree@solarflare.com>
Date: Tue Aug 6 13:53:55 2019 +0000

  net: use listified RX for handling GRO_NORMAL skbs

similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-414 WARNING: refcount bug in igmp_start_timer syz 2 1082d 971d 0/1 public: reported syz repro on 2019/04/13 00:01

Sample crash report:

Crashes (19):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2018/12/22 21:42 upstream 23203e3f34c9 e3bd7ab8 .config log report syz
ci-upstream-kasan-gce-selinux-root 2018/10/21 15:24 upstream 23469de647c4 ecb386fe .config log report syz
ci-upstream-kasan-gce-selinux-root 2018/09/20 20:05 upstream ae596de1a0c8 6cee973c .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/10/22 04:26 linux-next 8c60c36d0b8c ecb386fe .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/04/14 09:09 upstream 4443f8e6ac77 c402d8f1 .config log report
ci-upstream-kasan-gce-selinux-root 2018/12/24 15:03 upstream 8fe28cb58bcb be79df56 .config log report
ci-upstream-kasan-gce-selinux-root 2018/12/18 08:13 upstream 1a9430db2835 def91db3 .config log report
ci-upstream-kasan-gce-root 2018/10/31 06:04 upstream 310c7585e830 4ccf7bb4 .config log report
ci-upstream-kasan-gce-selinux-root 2018/10/21 14:57 upstream 23469de647c4 ecb386fe .config log report
ci-upstream-kasan-gce-selinux-root 2018/09/29 14:39 upstream e704966c45e4 41e4b329 .config log report
ci-upstream-kasan-gce-selinux-root 2018/09/26 07:05 upstream 846e8dd47c26 b7e11289 .config log report
ci-upstream-kasan-gce-selinux-root 2018/09/20 19:40 upstream ae596de1a0c8 6cee973c .config log report
ci-upstream-kasan-gce 2018/08/18 01:57 upstream edb0a2000936 738da825 .config log report
ci-upstream-kasan-gce-386 2019/02/16 22:10 upstream 5ded5871030e f42dee6d .config log report
ci-upstream-net-this-kasan-gce 2019/02/22 14:44 net 6321aa197547 6a5fcca4 .config log report
ci-upstream-net-this-kasan-gce 2019/02/15 19:50 net f9bcc9f3ee4f f6f233c0 .config log report
ci-upstream-net-kasan-gce 2019/01/15 23:43 net-next 7939f8beecf1 79cb1a7c .config log report
ci-upstream-linux-next-kasan-gce-root 2018/11/02 00:38 linux-next 4db9d11bcbef 1f38e9ae .config log report
ci-upstream-linux-next-kasan-gce-root 2018/10/27 20:07 linux-next 8c60c36d0b8c 8efba39a .config log report