syzbot


general protection fault in macsec_upd_offload
Status: fixed on 2020/05/10 10:42
Reported-by: syzbot+7022ab7c383875c17eff@syzkaller.appspotmail.com
Fix commit: aa81700cf232 macsec: fix NULL dereference in macsec_upd_offload()
First crash: 612d, last: 612d

Cause bisection: introduced by (bisect log) :
commit 01cacb00b35cb62b139f07d5f84bcf0eeda8eff6
Author: Paolo Abeni <pabeni@redhat.com>
Date: Fri Mar 27 21:48:51 2020 +0000

  mptcp: add netlink-based PM

Crash: general protection fault in macsec_upd_offload (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2020/04/06 09:22 16m dcaratti@redhat.com patch net OK
2020/04/06 09:07 16m dcaratti@redhat.com patch git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 0452800f6db4 OK

Sample crash report:

Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-this-kasan-gce 2020/04/01 21:55 net 304e024216a8 a34e2c33 .config log report syz C
ci-upstream-bpf-kasan-gce 2020/04/01 21:09 bpf b9258a2cece4 a34e2c33 .config log report syz C
ci-upstream-bpf-next-kasan-gce 2020/04/01 21:37 bpf-next 1a323ea5356e a34e2c33 .config log report syz C
ci-upstream-net-kasan-gce 2020/04/01 21:37 net-next 1a323ea5356e a34e2c33 .config log report syz C
ci-upstream-bpf-kasan-gce 2020/04/01 20:49 bpf b9258a2cece4 a34e2c33 .config log report