syzbot


general protection fault in ieee80211_chanctx_num_assigned
Status: upstream: reported C repro on 2020/10/06 12:45
Reported-by: syzbot+00ce7332120071df39b1@syzkaller.appspotmail.com
First crash: 146d, last: 11d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: general protection fault in ieee80211_chanctx_num_assigned (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 general protection fault in ieee80211_chanctx_num_assigned C 4 5d06h 114d 0/1 upstream: reported C repro on 2020/11/06 01:59
linux-4.14 general protection fault in ieee80211_chanctx_num_assigned C 4 7d12h 124d 0/1 upstream: reported C repro on 2020/10/27 05:11

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 2021/01/02 16:46 upstream eda809ae e6b0d314 .config log report syz C
Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/02/17 02:54 upstream f40ddce8 98682e5e .config log report syz C general protection fault in ieee80211_chanctx_num_assigned
ci-upstream-kasan-gce-root 2021/02/05 22:59 upstream dd86e7fa 23a562df .config log report syz C general protection fault in ieee80211_chanctx_num_assigned
ci-upstream-kasan-gce-selinux-root 2021/02/03 19:33 upstream 3aaf0a27 624dad51 .config log report syz C general protection fault in ieee80211_chanctx_num_assigned
ci-upstream-kasan-gce-root 2021/01/25 02:35 upstream e6806137 52e37319 .config log report syz C general protection fault in ieee80211_chanctx_num_assigned
ci-upstream-kasan-gce-root 2021/01/24 08:26 upstream e1ae4b0b 52e37319 .config log report syz C general protection fault in ieee80211_chanctx_num_assigned
ci-upstream-kasan-gce 2020/12/03 16:30 upstream 34816d20 e6b0d314 .config log report syz C
ci-upstream-kasan-gce 2020/11/22 13:55 upstream a349e4c6 0d27f508 .config log report syz C
ci-upstream-kasan-gce-386 2020/11/29 21:55 upstream aae5ab85 a0092f9d .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/10/05 12:52 linux-next 2172e358 5ef9c291 .config log report info