syzbot


INFO: rcu detected stall in process_one_work (3)
Status: fixed on 2020/11/16 12:12
Reported-by: syzbot+f0f857c714a8800e048c@syzkaller.appspotmail.com
Fix commit: 1d0e850a49a5 afs: Fix cell removal
First crash: 390d, last: 349d

Cause bisection: introduced by (bisect log) [merge commit]:
commit 5f739e4a491ab63730ef3b7464171340c689fbff
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue Mar 12 20:27:20 2019 +0000

  Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Crash: general protection fault in batadv_iv_ogm_queue_add (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit 1d0e850a49a5b56f8f3cb51e74a11e2fedb96be6
Author: David Howells <dhowells@redhat.com>
Date: Fri Oct 16 12:21:14 2020 +0000

  afs: Fix cell removal

similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in process_one_work (2) 1 527d 527d 0/22 auto-closed as invalid on 2020/07/10 22:43
upstream INFO: rcu detected stall in process_one_work 8 766d 1209d 0/22 auto-closed as invalid on 2019/11/14 14:39

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/08/26 10:33 upstream abb3438d69fb 344da168 .config log report syz C