INFO: task hung in ip6mr_net_exit_batch (2)

Status: auto-obsoleted due to no activity on 2025/01/20 02:05
Subsystems: net
[Documentation on labels]
First crash: 820d, last: 672d
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in ip6mr_net_exit_batch net 1 1 1142d 1142d 0/29 closed as invalid on 2023/09/07 14:36
upstream INFO: task hung in ip6mr_net_exit_batch (4) net 1 2 198d 226d 0/29 auto-obsoleted due to no activity on 2026/05/09 08:46
upstream INFO: task hung in ip6mr_net_exit_batch (3) net 1 3 523d 559d 0/29 auto-obsoleted due to no activity on 2025/06/18 09:05

Sample crash report:
INFO: task syz-executor:10995 blocked for more than 143 seconds.
      Not tainted 6.11.0-rc6-syzkaller-00179-gb3c9e65eb227 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:24992 pid:10995 tgid:10995 ppid:1      flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 ip6mr_net_exit_batch+0x20/0x90 net/ipv6/ip6mr.c:1360

Crashes (8):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/09 21:49 net b3c9e65eb227 dd9c7e97 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in ip6mr_net_exit_batch
2024/05/27 22:20 net 52a2f0608366 f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in ip6mr_net_exit_batch
2024/10/22 01:55 net-next 6d858708d465 a93682b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ip6mr_net_exit_batch
2024/06/14 21:42 net-next 3ec8d7572a69 8d849073 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ip6mr_net_exit_batch
2024/06/10 16:59 net-next 2ba6d15786f6 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ip6mr_net_exit_batch
2024/06/09 09:08 net-next a99997323654 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ip6mr_net_exit_batch
2024/06/08 17:25 net-next a99997323654 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ip6mr_net_exit_batch
2024/07/21 07:17 linux-next 41c196e567fb b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in ip6mr_net_exit_batch
* Struck through repros no longer work on HEAD.