syzbot


possible deadlock in inet_stream_connect
Status: upstream: reported C repro on 2021/02/17 17:30
Reported-by: syzbot+b0f5178b61ed7f3bbb46@syzkaller.appspotmail.com
First crash: 13d, last: 12d

Cause bisection: introduced by (bisect log) :
commit 40947e13997a1cba4e875893ca6e5d5e61a0689d
Author: Florian Westphal <fw@strlen.de>
Date: Fri Feb 12 23:59:56 2021 +0000

  mptcp: schedule worker when subflow is closed

Crash: possible deadlock in inet_stream_connect (log)
Repro: C syz .config

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2021/02/16 21:33 net-next 9ec5eea5 98682e5e .config log report syz C possible deadlock in inet_stream_connect
ci-upstream-net-kasan-gce 2021/02/15 05:06 net-next c48f8607 98682e5e .config log report syz C possible deadlock in inet_stream_connect
ci-upstream-net-kasan-gce 2021/02/16 05:25 net-next d2a04370 98682e5e .config log report info possible deadlock in inet_stream_connect