syzbot


INFO: task hung in addrconf_verify_work (4)
Status: upstream: reported C repro on 2020/11/25 00:55
Reported-by: syzbot+ba67b12b1ca729912834@syzkaller.appspotmail.com
Fix commit: net_sched: fix RTNL deadlock again caused by request_module()
Patched on: [ci-upstream-bpf-next-kasan-gce ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-upstream-bpf-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 67d, last: 1h38m

Cause bisection: introduced by (bisect log) :
commit 0fedc63fadf0404a729e73a35349481c8009c02f
Author: Cong Wang <xiyou.wangcong@gmail.com>
Date: Wed Sep 23 03:56:24 2020 +0000

  net_sched: commit action insertions together

Crash: INFO: task hung in addrconf_dad_work (log)
Repro: C syz .config
similar bugs (10):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 INFO: task hung in addrconf_verify_work 18 479d 651d 0/3 auto-closed as invalid on 2020/01/31 12:44
linux-4.14 INFO: task hung in addrconf_verify_work (2) C 2 17d 89d 0/1 upstream: reported C repro on 2020/10/28 05:47
upstream INFO: task hung in addrconf_verify_work (2) C 22 469d 469d 14/17 fixed on 2019/11/04 14:50
linux-4.19 INFO: task hung in addrconf_verify_work (2) 2 93d 182d 0/1 upstream: reported on 2020/07/26 20:09
android-414 INFO: task hung in addrconf_verify_work C 6 469d 654d 0/1 public: reported C repro on 2019/04/12 00:01
android-44 INFO: task hung in addrconf_verify_work 3 986d 1014d 0/2 auto-closed as invalid on 2019/02/22 14:29
linux-4.19 INFO: task hung in addrconf_verify_work 1 312d 312d 0/1 auto-closed as invalid on 2020/07/16 23:17
upstream INFO: task hung in addrconf_verify_work (3) C done 75 82d 117d 17/17 fixed on 2020/11/16 12:12
linux-4.14 INFO: task hung in addrconf_verify_work 4 238d 310d 0/1 auto-closed as invalid on 2020/09/29 04:19
upstream INFO: task hung in addrconf_verify_work C 2 1035d 1035d 0/17 closed as invalid on 2018/03/27 11:14

Sample crash report:

Crashes (104):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-root 2021/01/24 19:01 upstream e1ae4b0b 52e37319 .config log report syz C davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-root 2021/01/23 07:03 upstream 83d09ad4 4080af96 .config log report syz C davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2021/01/23 05:12 upstream 83d09ad4 4080af96 .config log report syz C davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/25 06:46 net 344db93a 52e37319 .config log report syz C davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/24 19:47 net 344db93a 52e37319 .config log report syz C davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2021/01/25 04:20 net-next a61e4b60 52e37319 .config log report syz C davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2021/01/24 22:24 net-next a61e4b60 52e37319 .config log report syz C davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2021/01/23 16:12 net-next 59a49d96 52e37319 .config log report syz C davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2021/01/16 08:40 upstream 5ee88057 65a7a854 .config log report syz C davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2021/01/16 04:29 upstream 5ee88057 65a7a854 .config log report syz C davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2021/01/16 00:01 upstream 5ee88057 65a7a854 .config log report syz C davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2021/01/15 15:11 upstream 14662050 65a7a854 .config log report syz C davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-smack-root 2021/01/15 02:39 upstream 65f0d241 65a7a854 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2021/01/14 07:15 upstream 65f0d241 269d24e8 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2021/01/13 18:43 upstream e609571b a945f0a3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2021/01/10 02:50 upstream 996e435f 2c1f2513 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-selinux-root 2021/01/08 20:37 upstream f5e6c330 c104d4a3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2021/01/08 19:29 upstream f5e6c330 c104d4a3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2021/01/08 11:33 upstream f5e6c330 c104d4a3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2021/01/08 09:37 upstream f5e6c330 c104d4a3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2021/01/07 23:07 upstream 71c061d2 c104d4a3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-selinux-root 2021/01/04 12:00 upstream e71ba945 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-selinux-root 2021/01/02 20:19 upstream eda809ae 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-root 2021/01/02 13:13 upstream eda809ae 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-selinux-root 2021/01/01 12:41 upstream f6e1ea19 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2021/01/01 11:01 upstream f6e1ea19 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2020/12/31 23:21 upstream f6e1ea19 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-386 2020/11/29 10:31 upstream 45e885c4 a0092f9d .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-386 2020/11/21 00:44 upstream 4d02da97 740ff461 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/10 14:03 net f97844f9 2c1f2513 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/09 02:25 net 220efcf9 c104d4a3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/08 19:46 net 220efcf9 c104d4a3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/04 19:07 net 4bfc4714 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/03 04:49 net 4bfc4714 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/02 23:35 net 4bfc4714 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/02 11:15 net 4bfc4714 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/02 07:07 net 4bfc4714 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/02 02:51 net 4bfc4714 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/01 22:47 net 4bfc4714 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/01 18:00 net 4bfc4714 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/01 13:17 net 4bfc4714 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/01 09:19 net 4bfc4714 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2021/01/01 03:37 net 4bfc4714 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2021/01/10 18:52 net-next 73b7a604 2c1f2513 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2021/01/09 08:33 net-next 833d22f2 c104d4a3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2021/01/08 23:45 net-next 58334e75 c104d4a3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2021/01/08 18:23 net-next 58334e75 c104d4a3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2021/01/04 14:47 net-next 3db1a3fa 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2021/01/03 20:36 net-next 3db1a3fa 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2021/01/03 04:50 net-next 3db1a3fa 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2021/01/01 23:17 net-next 3db1a3fa 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2021/01/01 19:05 net-next 3db1a3fa 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-linux-next-kasan-gce-root 2021/01/01 16:46 linux-next d7a03a44 79264ae3 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-root 2021/01/11 19:59 upstream 7c53f6b6 2c1f2513 .config log report info davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2020/12/31 23:16 upstream f6e1ea19 79264ae3 .config log report info davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-root 2020/12/27 15:17 upstream f838f8d2 2242f77f .config log report info davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-selinux-root 2020/11/19 03:23 upstream c2e7554e 0767f13f .config log report info davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2020/11/19 15:17 net 6d9c8d15 0767f13f .config log report info davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2021/01/11 12:42 net-next 73b7a604 2c1f2513 .config log report info davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2020/12/27 05:56 net-next 3db1a3fa 821e0b09 .config log report info davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-linux-next-kasan-gce-root 2021/01/03 13:48 linux-next d7a03a44 79264ae3 .config log report info davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org