syzbot


INFO: rcu detected stall in security_file_open (3)
Status: upstream: reported C repro on 2020/09/30 12:49
Reported-by: syzbot+d2b6e8cc299748fecf25@syzkaller.appspotmail.com
First crash: 109d, last: 24d

Cause bisection: introduced by (bisect log) :
commit c9d8f5f0692d5960ed50970ffe63756fb8f96cdb
Author: Kirill Tkhai <ktkhai@virtuozzo.com>
Date: Fri Nov 9 10:33:27 2018 +0000

  fuse: Protect fi->nlookup with fi->lock

Crash: KASAN: use-after-free Read in batadv_iv_ogm_queue_add (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in security_file_open 5 324d 326d 0/17 closed as invalid on 2019/12/04 14:04
upstream INFO: rcu detected stall in security_file_open (2) 2 290d 290d 0/17 closed as invalid on 2020/01/08 05:23

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-selinux-root 2020/09/29 17:36 upstream fb0155a0 1b88c6d5 .config log report syz C fweisbec@gmail.com, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-net-kasan-gce 2020/07/06 17:26 net-next e44f65fd 51095195 .config log report fweisbec@gmail.com, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de