INFO: task hung in usbdev

INFO: task hung in usbdev_open (2)
Status: upstream: reported on 2020/12/29 11:48
Reported-by: syzbot+b73659f5bb96fac34820@syzkaller.appspotmail.com
First crash: 295d, last: 12d

similar bugs (4):
Kernel	Title	Count	Last	Reported	Patched	Status
linux-4.19	INFO: task hung in usbdev_open	6	184d	270d	0/1	auto-closed as invalid on 2021/05/25 14:21
linux-4.14	INFO: task hung in usbdev_open	7	143d	281d	0/1	auto-closed as invalid on 2021/07/05 05:59
upstream	INFO: task hung in usbdev_open	2	672d	672d	0/22	auto-closed as invalid on 2019/12/23 20:14
upstream	INFO: task can't die in usbdev_open	4	176d	289d	0/22	auto-closed as invalid on 2021/04/02 18:49

Sample crash report:

INFO: task syz-executor.5:10272 blocked for more than 143 seconds.
      Tainted: G        W         5.13.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:27856 pid:10272 ppid:  8480 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0xc07/0x11f0 kernel/sched/core.c:5940
 schedule+0x14b/0x210 kernel/sched/core.c:6019
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6078
 __mutex_lock_common+0x116f/0x3770 kernel/locking/mutex.c:1036
 __mutex_lock kernel/locking/mutex.c:1104 [inline]
 mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:1119
 device_lock include/linux/device.h:742 [inline]
 usbdev_open+0x153/0x790 drivers/usb/core/devio.c:1029
 chrdev_open+0x53b/0x5f0 fs/char_dev.c:414
 do_dentry_open+0x7cb/0x1010 fs/open.c:826
 do_open fs/namei.c:3361 [inline]
 path_openat+0x28e6/0x39b0 fs/namei.c:3494
 do_filp_open+0x221/0x460 fs/namei.c:3521
 do_sys_openat2+0x124/0x460 fs/open.c:1195
 do_sys_open fs/open.c:1211 [inline]
 __do_sys_openat fs/open.c:1227 [inline]
 __se_sys_openat fs/open.c:1222 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1222
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4196c4
RSP: 002b:00007f45cfed2cc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004196c4
RDX: 0000000000000001 RSI: 00007f45cfed2d60 RDI: 00000000ffffff9c
RBP: 00007f45cfed2d60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffd51b79bef R14: 00007f45cfed3300 R15: 0000000000022000
INFO: task syz-executor.2:10273 blocked for more than 143 seconds.
      Tainted: G        W         5.13.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:26024 pid:10273 ppid:  8474 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0xc07/0x11f0 kernel/sched/core.c:5940
 schedule+0x14b/0x210 kernel/sched/core.c:6019
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6078
 __mutex_lock_common+0x116f/0x3770 kernel/locking/mutex.c:1036
 __mutex_lock kernel/locking/mutex.c:1104 [inline]
 mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:1119
 device_lock include/linux/device.h:742 [inline]
 usbdev_open+0x153/0x790 drivers/usb/core/devio.c:1029
 chrdev_open+0x53b/0x5f0 fs/char_dev.c:414
 do_dentry_open+0x7cb/0x1010 fs/open.c:826
 do_open fs/namei.c:3361 [inline]
 path_openat+0x28e6/0x39b0 fs/namei.c:3494
 do_filp_open+0x221/0x460 fs/namei.c:3521
 do_sys_openat2+0x124/0x460 fs/open.c:1195
 do_sys_open fs/open.c:1211 [inline]
 __do_sys_openat fs/open.c:1227 [inline]
 __se_sys_openat fs/open.c:1222 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1222
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4196c4
RSP: 002b:00007f90337edcc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004196c4
RDX: 0000000000000001 RSI: 00007f90337edd60 RDI: 00000000ffffff9c
RBP: 00007f90337edd60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffc2eba92cf R14: 00007f90337ee300 R15: 0000000000022000
INFO: task syz-executor.2:10294 blocked for more than 144 seconds.
      Tainted: G        W         5.13.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:27112 pid:10294 ppid:  8474 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0xc07/0x11f0 kernel/sched/core.c:5940
 schedule+0x14b/0x210 kernel/sched/core.c:6019
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6078
 __mutex_lock_common+0x116f/0x3770 kernel/locking/mutex.c:1036
 __mutex_lock kernel/locking/mutex.c:1104 [inline]
 mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:1119
 device_lock include/linux/device.h:742 [inline]
 usbdev_open+0x153/0x790 drivers/usb/core/devio.c:1029
 chrdev_open+0x53b/0x5f0 fs/char_dev.c:414
 do_dentry_open+0x7cb/0x1010 fs/open.c:826
 do_open fs/namei.c:3361 [inline]
 path_openat+0x28e6/0x39b0 fs/namei.c:3494
 do_filp_open+0x221/0x460 fs/namei.c:3521
 do_sys_openat2+0x124/0x460 fs/open.c:1195
 do_sys_open fs/open.c:1211 [inline]
 __do_sys_openat fs/open.c:1227 [inline]
 __se_sys_openat fs/open.c:1222 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1222
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4196c4
RSP: 002b:00007f903378acc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004196c4
RDX: 0000000000000001 RSI: 00007f903378ad60 RDI: 00000000ffffff9c
RBP: 00007f903378ad60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffc2eba92cf R14: 00007f903378b300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 1640 Comm: khungtaskd Tainted: G        W         5.13.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack_lvl+0x1d3/0x29f lib/dump_stack.c:96
 nmi_cpu_backtrace+0x16c/0x190 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x191/0x2f0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:209 [inline]
 watchdog+0xd06/0xd50 kernel/hung_task.c:294
 kthread+0x453/0x480 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 8 Comm: kworker/0:2 Tainted: G        W         5.13.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient toggle_allocation_gate
RIP: 0010:check_kcov_mode kernel/kcov.c:174 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x33/0x60 kernel/kcov.c:197
Code: 80 ef 01 00 65 8b 15 a4 22 82 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 34 15 00 00 00 74 2c 8b 91 10 15 00 00 <83> fa 02 75 21 48 8b 91 18 15 00 00 48 8b 32 48 8d 7e 01 8b 89 14
RSP: 0018:ffffc90000cd76b8 EFLAGS: 00000046
RAX: ffffffff813934ea RBX: 000000000cc8e000 RCX: ffff88813fecd4c0
RDX: 0000000000000000 RSI: 000000000cc8e000 RDI: 000000001fffffff
RBP: ffffc90000cd77d0 R08: ffffffff813934dc R09: fffffbfff19fb53f
R10: fffffbfff19fb53f R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000000 R14: 000000000cc8e000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f47352e1018 CR3: 000000013fe82000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __phys_addr+0x10a/0x160 arch/x86/mm/physaddr.c:23
 build_cr3 arch/x86/mm/tlb.c:155 [inline]
 load_new_mm_cr3 arch/x86/mm/tlb.c:275 [inline]
 switch_mm_irqs_off+0x959/0x980 arch/x86/mm/tlb.c:568
 unuse_temporary_mm arch/x86/kernel/alternative.c:763 [inline]
 __text_poke+0x67e/0x8c0 arch/x86/kernel/alternative.c:859
 text_poke arch/x86/kernel/alternative.c:900 [inline]
 text_poke_bp_batch+0x6b0/0x940 arch/x86/kernel/alternative.c:1178
 text_poke_flush arch/x86/kernel/alternative.c:1268 [inline]
 text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1275
 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:145
 static_key_enable_cpuslocked+0x12d/0x250 kernel/jump_label.c:177
 static_key_enable+0x16/0x20 kernel/jump_label.c:190
 toggle_allocation_gate+0xbf/0x440 mm/kfence/core.c:623
 process_one_work+0x833/0x10c0 kernel/workqueue.c:2276
 worker_thread+0xac1/0x1320 kernel/workqueue.c:2422
 kthread+0x453/0x480 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

Crashes (82):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Title
ci-upstream-kasan-gce-smack-root	2021/07/10 16:21	upstream	3dbdb38e2869	8f5a7b8c	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-smack-root	2021/04/08 17:20	upstream	454859c552da	6a81331a	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce	2021/03/08 07:34	upstream	144c79ef3353	09fbf400	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-smack-root	2021/03/03 23:06	upstream	f69d02e37a85	06ed56cd	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-selinux-root	2021/03/02 10:22	upstream	fe07bfda2fb9	183afb6c	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce	2021/03/02 01:12	upstream	fe07bfda2fb9	183afb6c	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-smack-root	2021/02/27 07:49	upstream	3fb6d0e00efc	4c37c133	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce	2021/02/21 05:43	upstream	e767b3530acb	3e5ed8b4	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-selinux-root	2021/02/20 15:06	upstream	f40ddce88593	3e5ed8b4	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce	2021/02/18 18:49	upstream	f40ddce88593	14052202	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce	2021/02/17 03:13	upstream	f40ddce88593	98682e5e	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-root	2021/02/16 16:25	upstream	f40ddce88593	98682e5e	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-root	2021/02/15 09:07	upstream	f40ddce88593	98682e5e	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce	2021/02/14 04:13	upstream	ac30d8ce28d6	98682e5e	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-selinux-root	2021/02/12 21:50	upstream	dcc0b49040c7	98682e5e	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce	2021/02/09 06:14	upstream	e0756cfc7d7c	2bd9619f	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-smack-root	2021/02/08 19:35	upstream	92bf22614b21	2ce644fc	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce	2021/02/06 04:15	upstream	1e0d27fce010	23a562df	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce	2021/02/04 16:37	upstream	61556703b610	42b90a7c	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce	2021/02/03 03:20	upstream	3aaf0a27ffc2	624dad51	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-smack-root	2021/02/01 04:52	upstream	6642d600b541	fc9fd31e	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-root	2021/01/31 03:42	upstream	8c947645151c	fc9fd31e	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce	2021/01/29 23:08	upstream	bec4c2968fce	fc9fd31e	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-smack-root	2021/01/29 05:50	upstream	e5ff2cb9cf67	7df34f59	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce	2021/01/21 00:24	upstream	75439bc439e0	d4f4eca5	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-386	2021/04/25 00:23	upstream	2a1d7946fa53	17f0b706	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-386	2021/02/23 11:23	upstream	a99163e9e708	c26fb06b	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-386	2021/02/21 02:17	upstream	f40ddce88593	3e5ed8b4	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-386	2021/02/06 19:32	upstream	1e0d27fce010	0655e081	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-386	2021/01/27 20:00	upstream	2ab38c17aac1	a0ebf917	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-386	2021/01/26 06:12	upstream	f8ad8187c3b5	52e37319	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-386	2021/01/22 22:39	upstream	83d09ad4b950	4080af96	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce-386	2021/01/22 06:01	upstream	9f29bd8b2e71	d4f4eca5	.config	log	report	info	INFO: task hung in usbdev_open
ci-qemu2-riscv64	2021/07/01 04:20	git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes	7ede12b01b59	38a885d1	.config	log	report	info	INFO: task hung in usbdev_open
ci-qemu2-riscv64	2021/06/21 20:33	git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes	7ede12b01b59	aba2b2fb	.config	log	report	info	INFO: task hung in usbdev_open
ci-upstream-kasan-gce	2021/01/09 17:13	upstream	996e435fd401	2c1f2513	.config	log	report	info
ci-upstream-kasan-gce	2021/01/07 16:17	upstream	71c061d24438	c104d4a3	.config	log	report	info
ci-upstream-kasan-gce	2021/01/06 16:29	upstream	9f1abbe97c08	c104d4a3	.config	log	report	info
ci-upstream-kasan-gce	2021/01/04 16:17	upstream	e71ba9452f0b	79264ae3	.config	log	report	info
ci-upstream-kasan-gce	2021/01/04 02:33	upstream	e71ba9452f0b	79264ae3	.config	log	report	info
ci-upstream-kasan-gce-root	2021/01/03 01:57	upstream	3516bd729358	79264ae3	.config	log	report	info
ci-upstream-kasan-gce	2021/01/02 20:52	upstream	eda809aef534	79264ae3	.config	log	report	info
ci-upstream-kasan-gce-root	2020/12/28 20:28	upstream	5c8fe583cce5	8259d56c	.config	log	report	info
ci-upstream-kasan-gce	2020/12/27 22:04	upstream	f838f8d2b694	2242f77f	.config	log	report	info
ci-upstream-kasan-gce	2020/12/13 16:12	upstream	6bff9bb8a292	bca53db9	.config	log	report	info
ci-upstream-kasan-gce	2020/11/03 09:12	upstream	495023e4e49e	cba33199	.config	log	report	info
ci-upstream-kasan-gce	2020/10/17 20:27	upstream	a1e16bc7d5f7	fea47c01	.config	log	report	info
ci-upstream-kasan-gce	2020/10/11 23:14	upstream	3dd0130f2430	4a77ae0b	.config	log	report	info
ci-upstream-kasan-gce	2020/10/10 21:35	upstream	6f2f486d57c4	4a77ae0b	.config	log	report	info
ci-upstream-kasan-gce	2020/10/08 06:32	upstream	c85fb28b6f99	1880b4a9	.config	log	report	info
ci-upstream-kasan-gce	2020/10/08 01:16	upstream	c85fb28b6f99	1880b4a9	.config	log	report	info
ci-upstream-kasan-gce	2020/10/06 01:41	upstream	7575fdda569b	1880b4a9	.config	log	report	info
ci-upstream-kasan-gce-386	2021/01/14 19:22	upstream	65f0d2414b70	65a7a854	.config	log	report	info
ci-upstream-kasan-gce-386	2021/01/13 13:05	upstream	e609571b5ffa	a945f0a3	.config	log	report	info
ci-upstream-kasan-gce-386	2021/01/12 21:14	upstream	e609571b5ffa	0cdd6185	.config	log	report	info
ci-upstream-kasan-gce-386	2021/01/04 01:57	upstream	e71ba9452f0b	79264ae3	.config	log	report	info
ci-upstream-kasan-gce-386	2020/12/25 11:34	upstream	71c5f03154ac	b982b3ea	.config	log	report	info
ci-upstream-kasan-gce-386	2020/11/03 21:08	upstream	b7cbaf59f62f	cba33199	.config	log	report	info
ci-upstream-linux-next-kasan-gce-root	2021/07/15 20:58	linux-next	c1a6d08348fc	b9a2f64e	.config	log	report	info	INFO: task can't die in usbdev_open
ci-upstream-linux-next-kasan-gce-root	2021/05/11 18:23	linux-next	4bf27b1f7330	ca873091	.config	log	report	info	INFO: task can't die in usbdev_open