syzbot


INFO: task hung in addrconf_verify_work (2)

Status: upstream: reported on 2024/01/29 22:05
Reported-by: syzbot+fe56e16b0d2168a01a84@syzkaller.appspotmail.com
First crash: 296d, last: 27d
Similar bugs (21)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 INFO: task hung in addrconf_verify_work 18 1876d 2048d 0/3 auto-closed as invalid on 2020/01/31 12:44
linux-4.19 INFO: task hung in addrconf_verify_work (5) 3 862d 901d 0/1 auto-obsoleted due to no activity on 2022/11/10 09:18
linux-4.19 INFO: task hung in addrconf_verify_work (6) C error 4 643d 703d 0/1 upstream: reported C repro on 2022/12/19 15:22
linux-4.19 INFO: task hung in addrconf_verify_work (3) 1 1349d 1349d 0/1 auto-closed as invalid on 2021/07/11 07:19
linux-4.19 INFO: task hung in addrconf_verify_work (4) 6 1043d 1130d 0/1 auto-closed as invalid on 2022/05/13 00:19
linux-4.14 INFO: task hung in addrconf_verify_work (2) C error 7 641d 1485d 0/1 upstream: reported C repro on 2020/10/28 05:47
upstream INFO: task hung in addrconf_verify_work (2) net C 22 1865d 1865d 13/28 fixed on 2019/11/04 14:50
linux-4.19 INFO: task hung in addrconf_verify_work (2) 2 1489d 1578d 0/1 auto-closed as invalid on 2021/02/21 08:05
linux-5.15 INFO: task hung in addrconf_verify_work missing-backport C done 53 142d 184d 0/3 auto-obsoleted due to no activity on 2024/10/23 03:15
android-414 INFO: task hung in addrconf_verify_work C 6 1865d 2050d 0/1 public: reported C repro on 2019/04/12 00:01
upstream INFO: task hung in addrconf_verify_work (8) net C error 1294 134d 339d 26/28 fixed on 2024/07/09 19:14
android-44 INFO: task hung in addrconf_verify_work 3 2382d 2411d 0/2 auto-closed as invalid on 2019/02/22 14:29
linux-4.19 INFO: task hung in addrconf_verify_work 1 1708d 1708d 0/1 auto-closed as invalid on 2020/07/16 23:17
upstream INFO: task hung in addrconf_verify_work (3) C done 75 1479d 1513d 15/28 fixed on 2020/11/16 12:12
upstream INFO: task hung in addrconf_verify_work (5) net C done done 68 1057d 1149d 0/28 closed as invalid on 2022/02/01 17:39
upstream INFO: task hung in addrconf_verify_work (7) netfilter C error 64 357d 504d 0/28 closed as invalid on 2023/12/01 14:19
linux-6.1 INFO: task hung in addrconf_verify_work 2 566d 617d 0/3 auto-obsoleted due to no activity on 2023/08/23 09:09
linux-4.14 INFO: task hung in addrconf_verify_work 4 1634d 1706d 0/1 auto-closed as invalid on 2020/09/29 04:19
upstream INFO: task hung in addrconf_verify_work net C 2 2431d 2431d 0/28 closed as invalid on 2018/03/27 11:14
upstream INFO: task hung in addrconf_verify_work (4) C done 132 1370d 1457d 20/28 fixed on 2021/04/09 19:46
upstream INFO: task hung in addrconf_verify_work (6) C done 86 639d 877d 22/28 fixed on 2023/02/24 13:51

Sample crash report:
INFO: task kworker/0:1:14 blocked for more than 144 seconds.
      Not tainted 6.1.114-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1     state:D stack:23072 pid:14    ppid:2      flags:0x00004000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0x143f/0x4570 kernel/sched/core.c:6558
 schedule+0xbf/0x180 kernel/sched/core.c:6634
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
 addrconf_verify_work+0x15/0x30 net/ipv6/addrconf.c:4656
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292

Crashes (45):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/24 18:54 linux-6.1.y 7ec6f9fa3d97 0d144d1a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: task hung in addrconf_verify_work
2024/09/07 02:37 linux-6.1.y 699506173494 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/07/24 00:23 linux-6.1.y 9b3f9a5b12dc e50e8da5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/07/17 15:45 linux-6.1.y cac15753b8ce 215bec2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/07/09 07:49 linux-6.1.y 7753af06eebf bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/23 12:07 linux-6.1.y eb44d83053d6 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/18 21:51 linux-6.1.y eb44d83053d6 639d6cdf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/15 04:59 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/15 01:35 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/13 04:21 linux-6.1.y ae9f2a70d69e 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/12 17:39 linux-6.1.y ae9f2a70d69e f815599d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/11 07:05 linux-6.1.y 88690811da69 b7d9eb04 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/10 21:51 linux-6.1.y 88690811da69 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/10 16:43 linux-6.1.y 88690811da69 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/09 08:01 linux-6.1.y 88690811da69 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/08 00:10 linux-6.1.y 88690811da69 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/06 20:48 linux-6.1.y 88690811da69 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/06 20:48 linux-6.1.y 88690811da69 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/06 08:55 linux-6.1.y 88690811da69 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/06 08:10 linux-6.1.y 88690811da69 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/05 16:41 linux-6.1.y 88690811da69 5aa1a7c9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/05 09:16 linux-6.1.y 88690811da69 e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/05 02:45 linux-6.1.y 88690811da69 e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/05 02:38 linux-6.1.y 88690811da69 e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/05 01:24 linux-6.1.y 88690811da69 e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/03 11:28 linux-6.1.y 88690811da69 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/06/01 03:08 linux-6.1.y 88690811da69 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/05/31 17:43 linux-6.1.y 88690811da69 0c378259 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/05/31 11:35 linux-6.1.y 88690811da69 0c378259 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/05/28 21:49 linux-6.1.y 88690811da69 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/05/28 01:19 linux-6.1.y 88690811da69 f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/05/28 01:18 linux-6.1.y 88690811da69 f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/05/26 12:11 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/05/24 20:32 linux-6.1.y 4078fa637fcd a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/05/23 23:46 linux-6.1.y 4078fa637fcd 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/05/22 07:01 linux-6.1.y 4078fa637fcd 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/05/22 06:43 linux-6.1.y 4078fa637fcd 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/05/22 06:33 linux-6.1.y 4078fa637fcd 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/05/22 06:23 linux-6.1.y 4078fa637fcd 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/05/22 06:19 linux-6.1.y 4078fa637fcd 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/05/21 01:17 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/03/15 05:27 linux-6.1.y 61adba85cc40 d615901c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/02/08 01:12 linux-6.1.y f1bb70486c9c 6404acf9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in addrconf_verify_work
2024/01/29 22:04 linux-6.1.y 883d1a956208 991a98f4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: task hung in addrconf_verify_work
* Struck through repros no longer work on HEAD.