INFO: task hung in tun_chr

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-5.15	INFO: task hung in tun_chr_close	1				40	539d	781d	0/3	auto-obsoleted due to no activity on 2025/02/09 21:18
linux-4.19	INFO: task hung in tun_chr_close	1				1	2096d	2096d	0/1	auto-closed as invalid on 2020/12/09 18:55
linux-6.6	INFO: task hung in tun_chr_close	1	C			1	7h26m	7h26m	0/2	upstream: reported C repro on 2026/05/09 00:17
upstream	INFO: task hung in tun_chr_close (5) net	1	C	done		667	1d10h	600d	0/29	upstream: reported C repro on 2024/09/15 19:59
upstream	INFO: task hung in tun_chr_close (4) net	1	syz	unreliable	error	14	1637d	1698d	0/29	auto-closed as invalid on 2022/09/18 21:51
upstream	INFO: task hung in tun_chr_close net	1				5	2422d	3003d	0/29	closed as dup on 2018/02/16 08:24
linux-4.19	INFO: task hung in tun_chr_close (3)	1				1	1373d	1373d	0/1	auto-obsoleted due to no activity on 2022/12/03 04:48
linux-6.1	INFO: task hung in tun_chr_close	1				31	651d	718d	0/3	auto-obsoleted due to no activity on 2024/10/04 23:47
upstream	INFO: task hung in rtnetlink_rcv_msg net	1	C	inconclusive	inconclusive	1970	669d	2632d	26/29	fixed on 2024/07/09 19:14
android-49	INFO: task hung in tun_chr_close	1				1	2918d	2918d	0/3	auto-closed as invalid on 2019/02/22 14:33
linux-4.19	INFO: task hung in tun_chr_close (2)	1				6	1585d	1679d	0/1	auto-closed as invalid on 2022/05/04 09:03
linux-6.1	INFO: task hung in tun_chr_close (2)	1				1	129d	129d	0/3	auto-obsoleted due to no activity on 2026/04/09 21:13
upstream	INFO: task hung in tun_chr_close (3) net	1				1	1809d	1809d	0/29	auto-closed as invalid on 2021/08/23 13:06
android-44	INFO: task hung in tun_chr_close	1				1	2927d	2927d	0/2	auto-closed as invalid on 2019/02/22 15:23
upstream	INFO: task hung in tun_chr_close (2) net	1				7	1918d	2139d	0/29	auto-closed as invalid on 2021/05/17 11:47

ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci0: command 0x1009 tx timeout Bluetooth: hci0: command 0x0c14 tx timeout Bluetooth: hci0: unexpected event for opcode 0x0c14 INFO: task syz-executor.0:5227 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 Bluetooth: hci0: command 0x0409 tx timeout "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D27536 5227 2930 0x80000002 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 Bluetooth: hci2: command 0x0409 tx timeout Bluetooth: hci0: command 0x041b tx timeout schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 Bluetooth: hci2: command 0x041b tx timeout Bluetooth: hci0: command 0x040f tx timeout tun_detach drivers/net/tun.c:759 [inline] tun_chr_close+0x3a/0x180 drivers/net/tun.c:3323 Bluetooth: hci2: command 0x040f tx timeout __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xbf3/0x2be0 kernel/exit.c:870 Bluetooth: hci0: command 0x0419 tx timeout Bluetooth: hci1: command 0x0409 tx timeout Bluetooth: hci2: command 0x0419 tx timeout do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Assets (help?)	Manager	Title
2023/02/14 18:48	linux-4.19.y	3f8a27f9e27b	e62ba3c1	.config	console log	report	info	[disk image] [vmlinux]	ci2-linux-4-19	INFO: task hung in tun_chr_close
2023/01/28 15:30	linux-4.19.y	3f8a27f9e27b	9dfcf09c	.config	console log	report	info	[disk image] [vmlinux]	ci2-linux-4-19	INFO: task hung in tun_chr_close
2023/01/18 07:05	linux-4.19.y	3f8a27f9e27b	42660d9e	.config	console log	report	info	[disk image] [vmlinux]	ci2-linux-4-19	INFO: task hung in tun_chr_close

Crashes (3):

Assets (help?)