INFO: task syz-executor946:5025 blocked for more than 143 seconds.
Not tainted 6.5.0-rc4-syzkaller-00051-g7bafbd4027ae #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor946 state:D
stack:28400 pid:5025 ppid:5020 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_timeout+0x27a/0x2c0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x3e2/0x5f0 kernel/sched/completion.c:106
__flush_work+0x5d9/0xc10 kernel/workqueue.c:3386
__cancel_work_timer+0x3ef/0x580 kernel/workqueue.c:3473
uhid_dev_destroy drivers/hid/uhid.c:585 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:663
__fput+0x3fd/0xac0 fs/file_table.c:384
task_work_run+0x14d/0x240 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa99/0x2a20 kernel/exit.c:874
do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
__do_sys_exit_group kernel/exit.c:1035 [inline]
__se_sys_exit_group kernel/exit.c:1033 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f85af7cccb9
RSP: 002b:00007ffd80e82648 EFLAGS: 00000246
ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f85af7cccb9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f85af847290 R08: ffffffffffffffb8 R09: 00000000000000a0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85af847290
R13: 0000000000000000 R14: 00007f85af847d00 R15: 00007f85af79de40
INFO: task syz-executor946:5028 blocked for more than 144 seconds.
Not tainted 6.5.0-rc4-syzkaller-00051-g7bafbd4027ae #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor946 state:D
stack:28400 pid:5028 ppid:5021 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_timeout+0x27a/0x2c0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x3e2/0x5f0 kernel/sched/completion.c:106
__flush_work+0x5d9/0xc10 kernel/workqueue.c:3386
__cancel_work_timer+0x3ef/0x580 kernel/workqueue.c:3473
uhid_dev_destroy drivers/hid/uhid.c:585 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:663
__fput+0x3fd/0xac0 fs/file_table.c:384
task_work_run+0x14d/0x240 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa99/0x2a20 kernel/exit.c:874
do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
__do_sys_exit_group kernel/exit.c:1035 [inline]
__se_sys_exit_group kernel/exit.c:1033 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f85af7cccb9
RSP: 002b:00007ffd80e82648 EFLAGS: 00000246
ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f85af7cccb9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f85af847290 R08: ffffffffffffffb8 R09: 00000000000000a0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85af847290
R13: 0000000000000000 R14: 00007f85af847d00 R15: 00007f85af79de40
INFO: task syz-executor946:5032 blocked for more than 146 seconds.
Not tainted 6.5.0-rc4-syzkaller-00051-g7bafbd4027ae #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor946 state:D
stack:28048 pid:5032 ppid:5024 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_timeout+0x27a/0x2c0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x3e2/0x5f0 kernel/sched/completion.c:106
__flush_work+0x5d9/0xc10 kernel/workqueue.c:3386
__cancel_work_timer+0x3ef/0x580 kernel/workqueue.c:3473
uhid_dev_destroy drivers/hid/uhid.c:585 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:663
__fput+0x3fd/0xac0 fs/file_table.c:384
task_work_run+0x14d/0x240 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa99/0x2a20 kernel/exit.c:874
do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
__do_sys_exit_group kernel/exit.c:1035 [inline]
__se_sys_exit_group kernel/exit.c:1033 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f85af7cccb9
RSP: 002b:00007ffd80e82648 EFLAGS: 00000246
ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f85af7cccb9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f85af847290 R08: ffffffffffffffb8 R09: 00000000000000a0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85af847290
R13: 0000000000000000 R14: 00007f85af847d00 R15: 00007f85af79de40
INFO: task syz-executor946:5036 blocked for more than 147 seconds.
Not tainted 6.5.0-rc4-syzkaller-00051-g7bafbd4027ae #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor946 state:D stack:27248 pid:5036 ppid:5023 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_timeout+0x27a/0x2c0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x3e2/0x5f0 kernel/sched/completion.c:106
__flush_work+0x5d9/0xc10 kernel/workqueue.c:3386
__cancel_work_timer+0x3ef/0x580 kernel/workqueue.c:3473
uhid_dev_destroy drivers/hid/uhid.c:585 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:663
__fput+0x3fd/0xac0 fs/file_table.c:384
task_work_run+0x14d/0x240 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa99/0x2a20 kernel/exit.c:874
do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
__do_sys_exit_group kernel/exit.c:1035 [inline]
__se_sys_exit_group kernel/exit.c:1033 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f85af7cccb9
RSP: 002b:00007ffd80e82648 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f85af7cccb9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f85af847290 R08: ffffffffffffffb8 R09: 00000000000000a0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85af847290
R13: 0000000000000000 R14: 00007f85af847d00 R15: 00007f85af79de40
Showing all locks held in the system:
3 locks held by kworker/0:0/6:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c9a2730 (
rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}
, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/13:
#0:
ffffffff8c9a2430
(rcu_tasks_trace.tasks_gp_mutex
){+.+.}-{3:3}
, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
3 locks held by kworker/1:0/21:
1 lock held by khungtaskd/27:
#0: ffffffff8c9a3340 (rcu_read_lock){....}-{1:2}
, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615
3 locks held by kworker/0:2/916:
2 locks held by getty/4775:
#0:
ffff88814c1d9098
(
&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900020382f0
(
&ldata->atomic_read_lock
){+.+.}-{3:3}
, at: n_tty_read+0xfcb/0x1480 drivers/tty/n_tty.c:2187
3 locks held by kworker/0:3/5031:
5 locks held by kworker/0:4/5038:
3 locks held by kworker/0:5/5039:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.5.0-rc4-syzkaller-00051-g7bafbd4027ae #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2ac/0x310 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xf29/0x11b0 kernel/hung_task.c:379
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 916 Comm: kworker/0:2 Not tainted 6.5.0-rc4-syzkaller-00051-g7bafbd4027ae #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Workqueue: events uhid_device_add_worker
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:write_comp_data+0x0/0x90 kernel/kcov.c:236
Code: 65 8b 15 8b 9f 7e 7e 81 e2 00 01 ff 00 75 10 65 48 8b 04 25 c0 b9 03 00 48 8b 80 f8 15 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 <65> 8b 05 61 9f 7e 7e 49 89 f1 89 c6 49 89 d2 81 e6 00 01 00 00 49
RSP: 0018:ffffc900053c6cc8 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 000000000000000a RCX: ffffffff8a2355ee
RDX: 0000000000000075 RSI: 0000000000000078 RDI: 0000000000000001
RBP: ffffffff8baf84e0 R08: 0000000000000001 R09: 0000000000000075
R10: 0000000000000075 R11: 00000000001c7290 R12: 0000000000000075
R13: 0000000000000001 R14: 000000000000000a R15: 0000000000000006
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005604913d6198 CR3: 000000002bde0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__sanitizer_cov_trace_switch+0x54/0x90 kernel/kcov.c:341
format_decode+0x46e/0xba0 lib/vsprintf.c:2627
vsnprintf+0x13d/0x1870 lib/vsprintf.c:2769
sprintf+0xcd/0x100 lib/vsprintf.c:3021
print_time kernel/printk/printk.c:1327 [inline]
info_print_prefix+0x258/0x350 kernel/printk/printk.c:1353
record_print_text+0x143/0x410 kernel/printk/printk.c:1402
printk_get_next_message+0x2ca/0x7c0 kernel/printk/printk.c:2809
console_emit_next_record kernel/printk/printk.c:2844 [inline]
console_flush_all+0x39e/0xf50 kernel/printk/printk.c:2933
console_unlock+0xc6/0x1f0 kernel/printk/printk.c:3007
vprintk_emit+0x1c5/0x640 kernel/printk/printk.c:2307
dev_vprintk_emit drivers/base/core.c:4840 [inline]
dev_printk_emit+0xfb/0x140 drivers/base/core.c:4851
__dev_printk+0xf5/0x270 drivers/base/core.c:4863
_dev_warn+0xe5/0x120 drivers/base/core.c:4907
hid_parser_main+0x2b2/0xc80 drivers/hid/hid-core.c:632
hid_open_report+0x3ee/0x7b0 drivers/hid/hid-core.c:1269
hid_parse include/linux/hid.h:1091 [inline]
hid_generic_probe+0x4d/0x90 drivers/hid/hid-generic.c:63
__hid_device_probe drivers/hid/hid-core.c:2626 [inline]
hid_device_probe+0x2e4/0x480 drivers/hid/hid-core.c:2663
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x234/0xc90 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:798
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:828
__device_attach_driver+0x1d4/0x300 drivers/base/dd.c:956
bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1028
bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
device_add+0x11f1/0x1b40 drivers/base/core.c:3625
hid_add_device+0x371/0xa60 drivers/hid/hid-core.c:2809
uhid_device_add_worker+0x3e/0x110 drivers/hid/uhid.c:73
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597
worker_thread+0x687/0x1110 kernel/workqueue.c:2748
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 3.529 msecs