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INFO: task hung in __tun_chr_ioctl (4)

Status: auto-obsoleted due to no activity on 2023/07/04 14:00
Subsystems: net
[Documentation on labels]
First crash: 830d, last: 830d
Similar bugs (7)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 INFO: task hung in __tun_chr_ioctl 1 8 391d 418d 0/3 auto-obsoleted due to no activity on 2024/09/25 13:24
upstream INFO: task hung in __tun_chr_ioctl net 1 2 2441d 2674d 0/29 closed as dup on 2018/03/19 06:35
linux-5.15 INFO: task hung in __tun_chr_ioctl 1 2 383d 402d 0/3 auto-obsoleted due to no activity on 2024/10/03 23:39
upstream INFO: task hung in __tun_chr_ioctl (5) net 1 1 535d 535d 0/29 auto-obsoleted due to no activity on 2024/04/24 22:34
upstream INFO: task hung in __tun_chr_ioctl (6) net 1 76 158d 402d 0/29 auto-obsoleted due to no activity on 2025/04/16 11:29
upstream INFO: task hung in __tun_chr_ioctl (3) net 1 2 1022d 1111d 0/29 auto-obsoleted due to no activity on 2023/01/03 09:42
upstream INFO: task hung in __tun_chr_ioctl (2) wireguard 1 1 1475d 1475d 0/29 auto-closed as invalid on 2021/09/27 23:09

Sample crash report:
INFO: task syz-executor.5:10566 blocked for more than 143 seconds.
      Not tainted 6.3.0-rc5-syzkaller-00022-g76f598ba7d8e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:28456 pid:10566 ppid:5113   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5307 [inline]
 __schedule+0xc91/0x5770 kernel/sched/core.c:6625
 schedule+0xde/0x1a0 kernel/sched/core.c:6701
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6760
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
 __tun_chr_ioctl+0x784/0x43d0 drivers/net/tun.c:3087

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/04/05 13:58 upstream 76f598ba7d8e 831373d3 .config console log report info ci-upstream-kasan-gce INFO: task hung in __tun_chr_ioctl
* Struck through repros no longer work on HEAD.