syzbot


INFO: rcu detected stall in ip_set_udel
Status: fixed on 2020/04/15 17:19
Reported-by: syzbot+c27b8d5010f45c666ed1@syzkaller.appspotmail.com
Fix commit: f66ee0410b1c netfilter: ipset: Fix "INFO: rcu detected stall in hash_xxx" reports
First crash: 680d, last: 657d

Cause bisection: introduced by (bisect log) :
commit 23c42a403a9cfdbad6004a556c927be7dd61a8ee
Author: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Date: Sat Oct 27 13:07:40 2018 +0000

  netfilter: ipset: Introduction of new commands and protocol version 7

Crash: INFO: task hung in corrupted (log)
Repro: C syz .config

Sample crash report:

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/01/27 01:10 upstream a45ea48e2bcd dd56146d .config log report syz C
ci-upstream-kasan-gce-root 2020/01/26 05:12 upstream 2821e26f3a0a f4e7270e .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/01/25 19:12 upstream d5d359b0ac3f 2e95ab33 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/01/24 12:19 upstream 4703d9119972 2e95ab33 .config log report syz C
ci-upstream-kasan-gce-386 2020/01/25 01:52 upstream 6381b442836e 2e95ab33 .config log report syz C
ci-upstream-kasan-gce-386 2020/01/24 08:43 upstream 4703d9119972 2e95ab33 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/01/25 01:43 net 623c8d5c74c6 2e95ab33 .config log report syz C
ci-upstream-net-kasan-gce 2020/01/25 01:55 net-next 23f4eacdd24a 2e95ab33 .config log report syz C
ci-upstream-net-kasan-gce 2020/01/24 08:36 net-next 9bbc8be29d66 2e95ab33 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/02/12 09:28 linux-next 129759899765 a75b198c .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/02/11 12:23 linux-next ac431e2d7b1b 084454ae .config log report syz C
ci-upstream-net-this-kasan-gce 2020/02/16 09:17 net 2019fc96af22 5d7b90f1 .config log report