syzbot


WARNING: suspicious RCU usage in in_dev_dump_addr
Status: fixed on 2019/08/05 13:45
Reported-by: syzbot+bad6e32808a3a97b1515@syzkaller.appspotmail.com
Fix commit: d3e6e285fff3 net: ipv4: fix rcu lockdep splat due to wrong annotation
First crash: 1078d, last: 1076d

Cause bisection: introduced by (bisect log) :
commit 2638eb8b50cfc16240e0bb080b9afbf541a9b39d
Author: Florian Westphal <fw@strlen.de>
Date: Fri May 31 16:27:09 2019 +0000

  net: ipv4: provide __rcu annotation for ifa_list

Crash: WARNING: suspicious RCU usage in in_dev_dump_addr (log)
Repro: C syz .config

Sample crash report:

Crashes (107):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2019/06/03 13:30 net-next b33bc2b878e0 63bf051f .config log report syz C
ci-upstream-net-kasan-gce 2019/06/05 17:35 net-next 712246bc93cb bfb4a51e .config log report
ci-upstream-net-kasan-gce 2019/06/05 16:35 net-next 712246bc93cb bfb4a51e .config log report
ci-upstream-net-kasan-gce 2019/06/05 14:30 net-next 712246bc93cb bfb4a51e .config log report
ci-upstream-net-kasan-gce 2019/06/05 12:51 net-next 712246bc93cb bfb4a51e .config log report
ci-upstream-net-kasan-gce 2019/06/05 12:00 net-next 712246bc93cb bfb4a51e .config log report
ci-upstream-net-kasan-gce 2019/06/05 10:56 net-next 712246bc93cb bfb4a51e .config log report
ci-upstream-net-kasan-gce 2019/06/05 09:47 net-next 712246bc93cb bfb4a51e .config log report
ci-upstream-net-kasan-gce 2019/06/05 08:38 net-next 712246bc93cb bfb4a51e .config log report
ci-upstream-net-kasan-gce 2019/06/05 07:17 net-next 712246bc93cb bfb4a51e .config log report
ci-upstream-net-kasan-gce 2019/06/05 06:04 net-next 712246bc93cb bfb4a51e .config log report
ci-upstream-net-kasan-gce 2019/06/05 04:42 net-next 712246bc93cb bfb4a51e .config log report
ci-upstream-net-kasan-gce 2019/06/05 03:34 net-next 712246bc93cb bfb4a51e .config log report
ci-upstream-net-kasan-gce 2019/06/05 01:47 net-next 712246bc93cb bfb4a51e .config log report
ci-upstream-net-kasan-gce 2019/06/05 00:02 net-next 712246bc93cb e41a20c5 .config log report
ci-upstream-net-kasan-gce 2019/06/04 22:23 net-next 712246bc93cb e41a20c5 .config log report
ci-upstream-net-kasan-gce 2019/06/04 19:42 net-next 712246bc93cb e41a20c5 .config log report
ci-upstream-net-kasan-gce 2019/06/04 18:39 net-next b7034146756b e41a20c5 .config log report
ci-upstream-net-kasan-gce 2019/06/04 17:28 net-next b7034146756b e41a20c5 .config log report
ci-upstream-net-kasan-gce 2019/06/04 15:41 net-next b7034146756b e41a20c5 .config log report
ci-upstream-net-kasan-gce 2019/06/04 10:19 net-next b7034146756b ce07a7ae .config log report
ci-upstream-net-kasan-gce 2019/06/04 09:17 net-next b7034146756b ce07a7ae .config log report
ci-upstream-net-kasan-gce 2019/06/04 07:02 net-next b7034146756b ce07a7ae .config log report
ci-upstream-net-kasan-gce 2019/06/04 05:30 net-next b7034146756b ce07a7ae .config log report
ci-upstream-net-kasan-gce 2019/06/04 01:01 net-next b7034146756b ce07a7ae .config log report
ci-upstream-net-kasan-gce 2019/06/04 00:54 net-next b7034146756b ce07a7ae .config log report
ci-upstream-net-kasan-gce 2019/06/04 00:49 net-next b7034146756b ce07a7ae .config log report
ci-upstream-net-kasan-gce 2019/06/04 00:41 net-next b7034146756b ce07a7ae .config log report
ci-upstream-net-kasan-gce 2019/06/03 23:10 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 23:06 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 22:49 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 22:43 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 22:30 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 22:21 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 22:09 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 22:07 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 22:06 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 21:41 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 21:23 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 21:18 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 21:02 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 20:56 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 20:42 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 20:19 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-net-kasan-gce 2019/06/03 11:57 net-next b33bc2b878e0 63bf051f .config log report
ci-upstream-linux-next-kasan-gce-root 2019/06/04 18:39 linux-next 56b697c6c13b e41a20c5 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/06/04 11:31 linux-next 56b697c6c13b e41a20c5 .config log report