syzbot


INFO: rcu detected stall in seq_read (2)
Status: upstream: reported C repro on 2020/07/22 18:02
Reported-by: syzbot+c28b5fee66fd3b7f766e@syzkaller.appspotmail.com
First crash: 452d, last: 8d01h

Cause bisection: introduced by (bisect log) :
commit 53e233ea2fa9fa7e2405e95070981f327d90e519
Author: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Date: Thu Oct 4 05:43:52 2018 +0000

  devlink: Add Documentation/networking/devlink-params-bnxt.txt

Crash: general protection fault in batadv_iv_ogm_queue_add (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in seq_read 1 758d 758d 0/22 auto-closed as invalid on 2019/12/18 18:14

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/10/02 19:38 upstream ab2a7a35c4e7 d88894e6 .config log syz C
ci-upstream-kasan-gce 2021/09/02 18:54 upstream 4a3bb4200a59 d88894e6 .config log report syz C
ci-upstream-kasan-gce 2021/08/02 09:05 upstream c500bee1c5b2 d88894e6 .config log report syz C
ci-upstream-kasan-gce 2021/07/02 03:38 upstream 3dbdb38e2869 d88894e6 .config log report syz C
ci-upstream-kasan-gce 2021/06/01 19:21 upstream c2131f7e73c9 d88894e6 .config log report syz C
ci-upstream-kasan-gce 2021/05/02 12:19 upstream 17ae69aba89d d88894e6 .config log report syz C
ci-upstream-kasan-gce 2021/04/02 06:20 upstream 1678e493d530 d88894e6 .config log report syz C
ci-upstream-kasan-gce 2021/03/01 19:38 upstream fe07bfda2fb9 d88894e6 .config log report syz C
ci-upstream-kasan-gce 2021/01/19 05:06 upstream 1e2a199f6ccd d88894e6 .config log report syz C
ci-upstream-kasan-gce 2020/12/20 04:41 upstream 467f8165a2b0 d88894e6 .config log report syz C
ci-upstream-kasan-gce 2020/11/19 02:40 upstream c2e7554e1b85 d88894e6 .config log report syz C
ci-upstream-kasan-gce 2020/10/19 13:42 upstream 7cf726a59435 d88894e6 .config log report syz C
ci-upstream-kasan-gce 2020/09/19 13:16 upstream eb5f95f1593f d88894e6 .config log syz C
ci-upstream-kasan-gce 2020/08/20 12:47 upstream 7eac66d0456f d88894e6 .config log report syz C
Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2020/07/21 12:22 upstream 4fa640dc5230 d88894e6 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2021/10/09 09:49 linux-next 683f29b781ae efe0f24d .config log report info INFO: rcu detected stall in seq_read