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: 514d, last: 92d

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):
  0f091e43310f netlabel: remove unused param from audit_log_format()
  a729b8e6ec3d Merge branch 'fixes-for-yt8511-phy-driver'
similar bugs (10):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-414 INFO: rcu detected stall in corrupted C 3 950d 1023d 0/1 public: reported C repro on 2019/04/10 16:04
android-49 INFO: rcu detected stall in corrupted C 27 835d 1020d 0/3 public: reported C repro on 2019/04/14 00:00
upstream INFO: rcu detected stall in corrupted (3) C done 1 1039d 1035d 0/22 closed as invalid on 2019/03/30 00:13
linux-4.14 INFO: rcu detected stall in corrupted (2) C error 4 593d 754d 0/1 upstream: reported C repro on 2020/01/04 08:54
upstream INFO: rcu detected stall in corrupted syz 1 1347d 1347d 9/22 fixed on 2018/07/09 18:05
linux-4.14 INFO: rcu detected stall in corrupted C done 3 868d 889d 1/1 fixed on 2019/12/05 23:59
linux-4.19 INFO: rcu detected stall in corrupted C error 2 7d16h 715d 0/1 upstream: reported C repro on 2020/02/13 05:06
upstream INFO: rcu detected stall in corrupted (2) syz 1 1279d 1279d 0/22 closed as invalid on 2018/07/29 11:55
linux-4.14 BUG: soft lockup in corrupted C 7 7d07h 298d 0/1 upstream: reported C repro on 2021/04/04 06:30
linux-4.19 BUG: soft lockup in corrupted C error 1 32d 32d 0/1 upstream: reported C repro on 2021/12/26 20:46

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-bpf-kasan-gce 2021/10/28 02:57 bpf 440ffcdd9db4 373bf66b .config log report syz C INFO: rcu detected stall in corrupted
ci-upstream-net-kasan-gce 2020/08/31 18:45 net-next 0f091e43310f d5a3ae1f .config log report syz C
ci-upstream-kasan-gce-root 2021/01/02 05:37 upstream eda809aef534 79264ae3 .config log report syz