INFO: task syz-executor.3:5157 blocked for more than 143 seconds.
Not tainted 6.5.0-syzkaller-10204-gb84acc11b1c9 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27872 pid:5157 ppid:5056 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_timeout+0x27a/0x2c0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e2/0x5f0 kernel/sched/completion.c:116
__flush_work+0x5d9/0xc10 kernel/workqueue.c:3389
__cancel_work_timer+0x3ef/0x580 kernel/workqueue.c:3476
uhid_dev_destroy drivers/hid/uhid.c:585 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:663
__fput+0x3f7/0xa70 fs/file_table.c:384
__fput_sync+0x47/0x50 fs/file_table.c:465
__do_sys_close fs/open.c:1572 [inline]
__se_sys_close fs/open.c:1557 [inline]
__x64_sys_close+0x87/0xf0 fs/open.c:1557
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: 0033:0x7f3a5fc7b9da
RSP: 002b:00007ffcffcfc800 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3a5fc7b9da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000048 R08: 0000001b2f360000 R09: 00007f3a5fd9bf8c
R10: 0000000000000120 R11: 0000000000000293 R12: 00007f3a5f8003c0
R13: ffffffffffffffff R14: 00007f3a5f800000 R15: 0000000000010e67
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.5.0-syzkaller-10204-gb84acc11b1c9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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+0x299/0x300 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+0xfac/0x1230 kernel/hung_task.c:379
kthread+0x33a/0x430 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
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: 772 Comm: kworker/0:2 Not tainted 6.5.0-syzkaller-10204-gb84acc11b1c9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: events uhid_device_add_worker
RIP: 0010:io_serial_in+0x87/0xa0 drivers/tty/serial/8250/8250_port.c:418
Code: 8f ed fc 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 16 66 03 5d 40 89 da ec <5b> 0f b6 c0 5d 41 5c c3 e8 4c 37 43 fd eb a6 e8 a5 37 43 fd eb e3
RSP: 0018:ffffc900038cf168 EFLAGS: 00000006
RAX: dffffc0000000005 RBX: 00000000000003f9 RCX: 0000000000000000
RDX: 00000000000003f9 RSI: ffffffff8499e900 RDI: ffffffff92546140
RBP: ffffffff92546100 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 205d383254202020 R12: 0000000000000000
R13: ffffffff92546100 R14: ffffffff92546150 R15: 0000000000000032
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcb460878e5 CR3: 000000000c976000 CR4: 0000000000350ef0
Call Trace:
serial_port_in include/linux/serial_core.h:593 [inline]
serial8250_console_write+0x1dd/0x1060 drivers/tty/serial/8250/8250_port.c:3413
console_emit_next_record kernel/printk/printk.c:2877 [inline]
console_flush_all+0x4c8/0xf50 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:4847 [inline]
dev_printk_emit+0xfb/0x140 drivers/base/core.c:4858
__dev_printk+0xf5/0x270 drivers/base/core.c:4870
_dev_warn+0xe5/0x120 drivers/base/core.c:4914
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:800
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830
__device_attach_driver+0x1d4/0x300 drivers/base/dd.c:958
bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
device_add+0x1182/0x1ac0 drivers/base/core.c:3622
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:2600
worker_thread+0x687/0x1110 kernel/workqueue.c:2751
kthread+0x33a/0x430 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304