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: 109d, last: 4d11h

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
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream INFO: rcu detected stall in iterate_cleanup_work 1 286d 286d 0/17 closed as invalid on 2020/01/09 08:13

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info
ci-upstream-kasan-gce 2020/10/16 10:10 upstream 9ff9b0d3 bc15f7db .config log syz C
ci-upstream-kasan-gce 2020/09/16 09:41 upstream fc4f28bb bc15f7db .config log syz C
ci-upstream-kasan-gce 2020/08/05 23:46 upstream fffe3ae0 bed10395 .config log syz C
Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce 2020/08/13 04:59 upstream fb893de3 bc15f7db .config log report syz C linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce 2020/07/03 07:17 upstream cd77006e bed10395 .config log report syz C linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2020/08/16 06:02 net 4ca0d9ac 424dd8e7 .config log report syz C davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com