syzbot


INFO: rcu detected stall in iterate_cleanup_work (2)
Status: upstream: reported C repro on 2020/07/07 07:23
Reported-by: syzbot+cc8495ea4052b9b79b72@syzkaller.appspotmail.com
First crash: 471d, last: 76d

Cause bisection: introduced by (bisect log) :
commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22
Author: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Date: Sat Sep 29 00:59:43 2018 +0000

  tc: Add support for configuring the taprio scheduler

Crash: no output from test machine (log)
Repro: C syz .config

Fix bisection: the fix commit could be any of (bisect log):
  fb893de323e2 Merge tag 'tag-chrome-platform-for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
  9e9fb7655ed5 Merge tag 'net-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in iterate_cleanup_work 1 648d 647d 0/22 closed as invalid on 2020/01/09 08:13

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2020/08/13 04:59 upstream fb893de323e2 bc15f7db .config log report syz C
ci-upstream-kasan-gce 2020/07/03 07:17 upstream cd77006e01b3 bed10395 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/08/16 06:02 net 4ca0d9ac3fd8 424dd8e7 .config log report syz C