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INFO: task hung in kcm_sendmsg

Status: auto-obsoleted due to no activity on 2025/01/10 10:24
Subsystems: net
[Documentation on labels]
First crash: 100d, last: 100d

Sample crash report:
INFO: task syz.4.3711:23264 blocked for more than 152 seconds.
      Not tainted 6.12.0-rc2-syzkaller-00260-g9e4c6c1ad9a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.3711      state:D stack:23520 pid:23264 tgid:23260 ppid:22646  flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x1895/0x4b30 kernel/sched/core.c:6682
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6774
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
 kcm_sendmsg+0x1e7/0x2a50 net/kcm/kcmsock.c:758
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:744
 sock_write_iter+0x2d7/0x3f0 net/socket.c:1165
 new_sync_write fs/read_write.c:590 [inline]
 vfs_write+0xa6d/0xc90 fs/read_write.c:683
 ksys_write+0x183/0x2b0 fs/read_write.c:736

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/12 10:22 upstream 9e4c6c1ad9a1 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in kcm_sendmsg
* Struck through repros no longer work on HEAD.