syzbot


INFO: rcu detected stall in tipc_release
Status: fixed on 2021/03/10 01:48
Reported-by: syzbot+3654c027d861c6df4b06@syzkaller.appspotmail.com
Fix commit: cc00bcaa netfilter: x_tables: Switch synchronization to RCU
First crash: 279d, last: 143d

Cause bisection: introduced by (bisect log) :
commit 5e9eeccc58f3e6bcc99b929670665d2ce047e9c9
Author: Tuong Lien <tuong.t.lien@dektech.com.au>
Date: Wed Jun 3 05:06:01 2020 +0000

  tipc: fix NULL pointer dereference in streaming

Crash: INFO: rcu detected stall in tipc_release (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit cc00bcaa589914096edef7fb87ca5cee4a166b5c
Author: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Date: Wed Nov 25 18:27:22 2020 +0000

  netfilter: x_tables: Switch synchronization to RCU


Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2020/07/06 10:31 upstream 7cc2a8ea 51095195 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/08/21 06:39 upstream da2968ff 1d75fe45 .config log report
ci-upstream-kasan-gce-root 2020/08/04 12:17 upstream 3208167a 196277c4 .config log report
ci-upstream-kasan-gce 2020/07/06 08:37 upstream 7cc2a8ea 51095195 .config log report