syzbot


INFO: task hung in addrconf_dad_work

Status: upstream: reported on 2024/01/20 08:09
Reported-by: syzbot+ccc611a0c79fb895b37f@syzkaller.appspotmail.com
First crash: 146d, last: 12h54m
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) 46 8h03m 111d 0/3 upstream: reported on 2024/02/24 10:20
android-414 INFO: task hung in addrconf_dad_work 1 1832d 1832d 0/1 auto-closed as invalid on 2019/10/25 08:37
android-49 INFO: task hung in addrconf_dad_work 1 2119d 2119d 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 205d 559d 0/27 closed as invalid on 2023/11/23 17:05
linux-6.1 INFO: task hung in addrconf_dad_work 2 393d 424d 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 905d 1945d 0/27 closed as invalid on 2022/02/08 10:54
upstream INFO: task hung in addrconf_dad_work (3) net C 185 94d 136d 26/27 fixed on 2024/03/25 23:45
linux-4.19 INFO: task hung in addrconf_dad_work 1 1754d 1754d 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 472d 1545d 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 720d 1326d 0/1 upstream: reported C repro on 2020/10/27 17:48
upstream INFO: task hung in addrconf_dad_work (4) net 1956 now 26d 0/27 upstream: reported on 2024/05/20 03:26

Sample crash report:
INFO: task kworker/1:6:3571 blocked for more than 143 seconds.
      Not tainted 5.15.160-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:6     state:D stack:22528 pid: 3571 ppid:     2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518
 __mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
 addrconf_dad_work+0xcc/0x1720 net/ipv6/addrconf.c:4112

Crashes (82):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/14 15:32 linux-5.15.y c61bd26ae81a 8d849073 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/14 00:17 linux-5.15.y c61bd26ae81a a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/14 00:12 linux-5.15.y c61bd26ae81a a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/13 17:57 linux-5.15.y c61bd26ae81a a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/13 16:07 linux-5.15.y c61bd26ae81a a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/13 06:16 linux-5.15.y c61bd26ae81a 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/13 02:15 linux-5.15.y c61bd26ae81a 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/12 15:57 linux-5.15.y c61bd26ae81a f815599d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/12 13:59 linux-5.15.y c61bd26ae81a f815599d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/11 19:10 linux-5.15.y c61bd26ae81a 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/11 07:22 linux-5.15.y c61bd26ae81a b7d9eb04 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/10 18:32 linux-5.15.y c61bd26ae81a 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/10 16:16 linux-5.15.y c61bd26ae81a 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/10 09:48 linux-5.15.y c61bd26ae81a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/10 08:03 linux-5.15.y c61bd26ae81a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/09 00:59 linux-5.15.y c61bd26ae81a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/08 14:59 linux-5.15.y c61bd26ae81a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/08 14:50 linux-5.15.y c61bd26ae81a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/07 18:56 linux-5.15.y c61bd26ae81a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/06 07:17 linux-5.15.y c61bd26ae81a 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/06 04:45 linux-5.15.y c61bd26ae81a 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/05 13:38 linux-5.15.y c61bd26ae81a 5aa1a7c9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/05 04:46 linux-5.15.y c61bd26ae81a e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/05 00:53 linux-5.15.y c61bd26ae81a e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/04 20:54 linux-5.15.y c61bd26ae81a 11f2afa5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/04 13:10 linux-5.15.y c61bd26ae81a 11f2afa5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/04 00:04 linux-5.15.y c61bd26ae81a a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/03 22:08 linux-5.15.y c61bd26ae81a a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/03 20:52 linux-5.15.y c61bd26ae81a 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/03 12:06 linux-5.15.y c61bd26ae81a 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/03 08:57 linux-5.15.y c61bd26ae81a 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/06/03 08:55 linux-5.15.y c61bd26ae81a 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/05/31 17:32 linux-5.15.y c61bd26ae81a 0c378259 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/05/31 17:30 linux-5.15.y c61bd26ae81a 0c378259 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/05/31 12:05 linux-5.15.y c61bd26ae81a 0c378259 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/05/31 12:01 linux-5.15.y c61bd26ae81a 0c378259 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/05/28 22:11 linux-5.15.y c61bd26ae81a 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/05/28 22:03 linux-5.15.y c61bd26ae81a 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/05/28 21:59 linux-5.15.y c61bd26ae81a 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/05/28 20:19 linux-5.15.y c61bd26ae81a 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/05/28 16:43 linux-5.15.y c61bd26ae81a 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/05/28 16:43 linux-5.15.y c61bd26ae81a 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/05/28 01:56 linux-5.15.y c61bd26ae81a f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/05/21 12:34 linux-5.15.y 83655231580b 4c0d3ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/05/20 16:46 linux-5.15.y 83655231580b c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/02/28 19:07 linux-5.15.y 458ce51d0356 55d6f11d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/02/27 23:58 linux-5.15.y 458ce51d0356 d367cbe5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: task hung in addrconf_dad_work
2024/02/21 11:50 linux-5.15.y 6139f2a02fe0 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: task hung in addrconf_dad_work
2024/02/20 15:23 linux-5.15.y 6139f2a02fe0 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
2024/01/20 08:08 linux-5.15.y ddcaf4999061 9bd8dcda .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in addrconf_dad_work
* Struck through repros no longer work on HEAD.