syzbot


INFO: rcu detected stall in corrupted (4)
Status: upstream: reported C repro on 2020/09/04 18:49
Reported-by: syzbot+aa7d098bd6fa788fae8e@syzkaller.appspotmail.com
First crash: 28d, last: 28d

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 (8):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-414 INFO: rcu detected stall in corrupted C 3 464d 537d 0/1 public: reported C repro on 2019/04/10 16:04
android-49 INFO: rcu detected stall in corrupted C 27 349d 534d 0/3 public: reported C repro on 2019/04/14 00:00
upstream INFO: rcu detected stall in corrupted (3) C cause 1 553d 549d 0/17 closed as invalid on 2019/03/30 00:13
linux-4.14 INFO: rcu detected stall in corrupted (2) C fix 4 107d 268d 0/1 upstream: reported C repro on 2020/01/04 08:54
upstream INFO: rcu detected stall in corrupted syz 1 861d 861d 9/17 fixed on 2018/07/09 18:05
linux-4.14 INFO: rcu detected stall in corrupted C fix 3 381d 403d 1/1 fixed on 2019/12/05 23:59
linux-4.19 INFO: rcu detected stall in corrupted syz fix 1 228d 228d 0/1 upstream: reported syz repro on 2020/02/13 05:06
upstream INFO: rcu detected stall in corrupted (2) syz 1 793d 793d 0/17 closed as invalid on 2018/07/29 11:55

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info
ci-upstream-net-kasan-gce 2020/08/31 18:45 net-next 0f091e43 d5a3ae1f .config log report syz C