syzbot


KASAN: vmalloc-out-of-bounds Read in bpf_trace_run2
Status: upstream: reported C repro on 2020/09/21 10:02
Reported-by: syzbot+845923d2172947529b58@syzkaller.appspotmail.com
First crash: 163d, last: 3d18h

Cause bisection: introduced by (bisect log) :
commit 0a93dc1c18fd86f936bcb44f72dc044c0ea826a8
Author: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Date: Wed Oct 12 11:11:16 2016 +0000

  [media] dvb-core: don't break long lines

Crash: WARNING in nf_unregister_net_hook (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-54 BUG: unable to handle kernel paging request in bpf_trace_run2 C 4 5d22h 160d 0/1 upstream: reported C repro on 2020/09/22 18:31

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-bpf-next-kasan-gce 2021/01/31 08:05 bpf-next 61ca36c8 53ce8104 .config log report syz C
ci-upstream-bpf-next-kasan-gce 2020/12/16 09:57 bpf-next 3db1a3fa 53ce8104 .config log report syz C
ci-upstream-bpf-next-kasan-gce 2020/10/22 03:04 bpf-next 9ff9b0d3 53ce8104 .config log report syz C
Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-bpf-next-kasan-gce 2020/09/19 21:45 bpf-next 70b97111 53ce8104 .config log report syz C
ci-upstream-bpf-kasan-gce 2021/02/26 11:15 bpf 557c223b 76f7fc95 .config log report info KASAN: vmalloc-out-of-bounds Read in bpf_trace_run2
ci-upstream-kasan-gce-root 2020/09/22 02:46 upstream ba4f184e 9e1fa68e .config log report info
ci-upstream-net-this-kasan-gce 2020/11/09 20:12 net 4e0396c5 64069d48 .config log report info
ci-upstream-bpf-next-kasan-gce 2021/01/01 07:47 bpf-next 482ec343 79264ae3 .config log report info