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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| linux-4.19 | INFO: task hung in slip_close | 1 | 1 | 1622d | 1622d | 0/1 | auto-closed as invalid on 2021/06/09 16:54 | |||
| upstream | INFO: task hung in slip_close (2) net | 1 | 1 | 180d | 180d | 0/29 | auto-obsoleted due to no activity on 2025/04/21 05:27 |
INFO: task syz-executor.1:9286 blocked for more than 143 seconds.
Not tainted 6.10.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:25536 pid:9286 tgid:9286 ppid:8873 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
unregister_netdev+0x12/0x30 net/core/dev.c:11294
slip_close+0x165/0x1c0 drivers/net/slip/slip.c:906
tty_ldisc_close+0x111/0x1a0 drivers/tty/tty_ldisc.c:455
tty_ldisc_kill+0x8e/0x150 drivers/tty/tty_ldisc.c:613
tty_ldisc_release+0x116/0x2a0 drivers/tty/tty_ldisc.c:781
tty_release_struct+0x23/0xe0 drivers/tty/tty_io.c:1696
tty_release+0xe33/0x1420 drivers/tty/tty_io.c:1867
__fput+0x408/0xbb0 fs/file_table.c:422
task_work_run+0x14e/0x250 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x278/0x2a0 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5029e7cea9
RSP: 002b:00007fffed9e2508 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f5029fb5980 RCX: 00007f5029e7cea9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f5029fb5980 R08: 000000008aea135e R09: 0000001400000000
R10: 0000001b2e620000 R11: 0000000000000246 R12: 000000000005f54c
R13: 00007f5029fb3f8c R14: 0000000000000032 R15: 00007f5029fb5980
</TASK>
INFO: task syz-executor.0:9306 blocked for more than 143 seconds.
Not tainted 6.10.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26224 pid:9306 tgid:9303 ppid:8747 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
nl80211_pre_doit+0xb4/0xb10 net/wireless/nl80211.c:16405
genl_family_rcv_msg_doit+0x1be/0x2f0 net/netlink/genetlink.c:1110
genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/06/11 11:37 | upstream | 83a7eefedc9b | c7d7d815 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: task hung in slip_close |