syzbot


BUG: corrupted list in netif_napi_add
Status: upstream: reported syz repro on 2021/10/13 11:40
Reported-by: syzbot+62e474dd92a35e3060d8@syzkaller.appspotmail.com
First crash: 15d, last: 5d13h

Cause bisection: introduced by (bisect log) [merge commit]:
commit 9698feb1e8ad53e2379636b6021ce19aa617f88e
Author: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Fri Oct 8 01:55:28 2021 +0000

  Merge branch 'rcu/next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git

Crash: BUG: corrupted list in netif_napi_add (log)
Repro: syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2021/10/14 11:57 16m pabeni@redhat.com patch git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 683f29b781aeaab6bf302eeb2ef08a5e5f9d8a27 OK
2021/10/14 09:17 16m pabeni@redhat.com patch git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 683f29b781aeaab6bf302eeb2ef08a5e5f9d8a27 report log
2021/10/13 17:31 15m pabeni@redhat.com patch linux-next OK
2021/10/13 16:02 15m pabeni@redhat.com patch https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git master OK
2021/10/13 15:59 15m pabeni@redhat.com patch https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git -- OK
2021/10/13 14:38 0m pabeni@redhat.com patch https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git --- error

Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2021/10/09 16:52 linux-next 683f29b781ae 838e7e2c .config log report syz BUG: corrupted list in netif_napi_add
ci-upstream-bpf-next-kasan-gce 2021/10/19 00:43 bpf-next 431bfb9ee3e2 24dc29db .config log report info BUG: corrupted list in netif_napi_add
ci-upstream-bpf-next-kasan-gce 2021/10/17 07:41 bpf-next 431bfb9ee3e2 0c5d9412 .config log report info BUG: corrupted list in netif_napi_add
ci-upstream-linux-next-kasan-gce-root 2021/10/09 11:35 linux-next 683f29b781ae 838e7e2c .config log report info BUG: corrupted list in netif_napi_add