syzbot


INFO: task hung in addrconf_dad_work (3)

Status: fixed on 2024/03/25 23:45
Subsystems: net
[Documentation on labels]
Fix commit: ba5e1272142d netdevsim: avoid potential loop in nsim_dev_trap_report_work()
First crash: 178d, last: 73d
Similar bugs (11)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 INFO: task hung in addrconf_dad_work (2) 7 2h31m 89d 0/3 upstream: reported on 2024/02/24 10:20
android-414 INFO: task hung in addrconf_dad_work 1 1810d 1810d 0/1 auto-closed as invalid on 2019/10/25 08:37
android-49 INFO: task hung in addrconf_dad_work 1 2097d 2097d 0/3 auto-closed as invalid on 2019/02/22 20:09
upstream INFO: task hung in addrconf_dad_work (2) net C unreliable error 107 183d 538d 0/26 closed as invalid on 2023/11/23 17:05
linux-6.1 INFO: task hung in addrconf_dad_work 2 372d 402d 0/3 auto-obsoleted due to no activity on 2023/08/26 05:16
upstream INFO: task hung in addrconf_dad_work net C inconclusive inconclusive 468 883d 1923d 0/26 closed as invalid on 2022/02/08 10:54
linux-5.15 INFO: task hung in addrconf_dad_work 18 7h31m 125d 0/3 upstream: reported on 2024/01/20 08:09
linux-4.19 INFO: task hung in addrconf_dad_work 1 1732d 1732d 0/1 auto-closed as invalid on 2019/12/24 18:36
linux-4.19 INFO: task hung in addrconf_dad_work (2) C error 72 451d 1523d 0/1 upstream: reported C repro on 2020/03/22 17:39
linux-4.14 INFO: task hung in addrconf_dad_work C inconclusive 1 698d 1304d 0/1 upstream: reported C repro on 2020/10/27 17:48
upstream INFO: task hung in addrconf_dad_work (4) net 268 50m 4d06h 0/26 upstream: reported on 2024/05/20 03:26

Sample crash report:
INFO: task kworker/1:0:23 blocked for more than 142 seconds.
      Not tainted 6.8.0-rc6-syzkaller-00011-g45ec2f5f6ed3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:24784 pid:23    tgid:23    ppid:2      flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf12/0x5c60 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe9/0x280 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x5bd/0x9d0 kernel/locking/mutex.c:752
 addrconf_dad_work+0xcf/0x14c0 net/ipv6/addrconf.c:4144
 process_one_work+0x889/0x15e0 kernel/workqueue.c:2633

Crashes (185):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/02/27 14:56 upstream 45ec2f5f6ed3 05e69c83 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in addrconf_dad_work
2024/03/12 09:11 upstream 045395d86acd 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in addrconf_dad_work
2024/03/11 06:52 upstream 137e0ec05aeb 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in addrconf_dad_work
2024/03/10 21:11 upstream 137e0ec05aeb 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/10 06:37 upstream 005f6f34bd47 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/09 08:30 upstream 10d48d70e82d 96d142e7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/08 15:35 upstream 3aaa8ce7a335 cf82cde1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in addrconf_dad_work
2024/03/07 19:47 upstream 135288b73cef 2b789849 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/07 12:37 upstream 67be068d31d4 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in addrconf_dad_work
2024/03/06 21:45 upstream 5847c9777c30 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/06 19:01 upstream 5847c9777c30 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/06 16:48 upstream 5847c9777c30 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/04 23:47 upstream 90d35da658da 3717835d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/03 12:37 upstream 04b8076df253 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/01 12:56 upstream 87adedeba51a 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in addrconf_dad_work
2024/02/29 04:36 upstream e326df53af00 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in addrconf_dad_work
2024/02/28 05:54 upstream cf1182944c7c d367cbe5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in addrconf_dad_work
2024/02/26 08:04 upstream 70ff1fe626a1 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in addrconf_dad_work
2024/02/17 03:07 upstream 0f1dd5e91e2b 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in addrconf_dad_work
2024/01/30 19:29 upstream 861c0981648f 7f400fcb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in addrconf_dad_work
2024/01/22 06:41 upstream 4fbbed787267 9bd8dcda .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in addrconf_dad_work
2024/03/11 11:43 upstream e8f897f4afef 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in addrconf_dad_work
2024/03/03 01:35 upstream 5ad3cb0ed525 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in addrconf_dad_work
2024/03/11 19:55 net c8a5c731fd12 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/11 05:57 net c8a5c731fd12 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/10 14:10 net c8a5c731fd12 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/08 14:09 net df4793505abd cf82cde1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/07 23:15 net 811b3f9b2ab5 2b789849 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/07 06:04 net c055fc00c07b f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/05 10:27 net 948abb59ebd3 5fc53669 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/04 18:54 net 51270d573a8d 3717835d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/04 05:08 net 1c61728be22c 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/02 03:22 net 1c61728be22c 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/02 00:50 net 1c61728be22c 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/01 08:53 net 87adedeba51a 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/01 02:18 net b611b776a9c8 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/02/29 20:24 net b611b776a9c8 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/02/28 18:37 net ed2c0e4cb693 d367cbe5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/02/27 11:37 net 10bfd453da64 05e69c83 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/02/26 20:49 net 1a825e4cdf45 edd6a5e9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/09 22:15 net-next d7e14e534493 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/09 19:07 net-next d7e14e534493 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/09 01:48 net-next 75c2946db360 96d142e7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/06 14:20 net-next e3350ba4a5b7 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/06 11:08 net-next e3350ba4a5b7 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/05 18:29 net-next 885c36e59f46 f39a7eed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/04 16:04 net-next 4a759c12526e 3717835d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/01 21:34 net-next e96082570933 25905f5d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/01 11:35 net-next 65f5dd4f02a8 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in addrconf_dad_work
2024/03/01 03:23 net-next 489645d3f133 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in addrconf_dad_work
2024/02/28 11:48 net-next 4440873f3655 d367cbe5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in addrconf_dad_work
2024/02/28 09:17 net-next 4440873f3655 d367cbe5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in addrconf_dad_work
2024/02/27 23:46 net-next f8cbf6bde4c8 05e69c83 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in addrconf_dad_work
2024/02/26 18:27 net-next 5f6000aa24b9 edd6a5e9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in addrconf_dad_work
2024/02/16 12:13 net-next dfe7f12788f5 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-net-next-test-gce INFO: task hung in addrconf_dad_work
2024/02/17 10:33 linux-next 2c3b09aac00d 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in addrconf_dad_work
* Struck through repros no longer work on HEAD.