syzbot


INFO: rcu detected stall in net_tx_action
Status: upstream: reported C repro on 2021/07/01 15:50
Reported-by: syzbot+3ba0493d523d007b3819@syzkaller.appspotmail.com
First crash: 81d, last: 21d

Cause bisection: introduced by (bisect log) [merge commit]:
commit 08b0109eea36d71f87b863045d91bbcee98758bd
Author: Kalle Valo <kvalo@codeaurora.org>
Date: Mon Oct 1 15:49:48 2018 +0000

  Merge tag 'iwlwifi-next-for-kalle-2018-09-28' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

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
linux-4.19 BUG: soft lockup in net_tx_action 1 6d19h 6d19h 0/1 upstream: reported on 2021/09/10 10:23

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-this-kasan-gce 2021/08/27 02:48 net 73367f05b25d 9d2ab5df .config log report syz C
ci-upstream-net-this-kasan-gce 2021/07/28 02:18 net 8373cd38a888 9d2ab5df .config log report syz C
Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-this-kasan-gce 2021/06/27 15:39 net d6765985a42a 9d2ab5df .config log report syz C INFO: rcu detected stall in net_tx_action