rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
1-...D
} 2655 jiffies s: 1605 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
NMI backtrace for cpu 1
CPU: 1 PID: 4805 Comm: udevd Not tainted 6.10.0-rc4-syzkaller-00053-g819984a0dd36 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:130 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x5a/0x1a0 mm/kasan/generic.c:189
Code: b3 00 00 00 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 49 01 c1 48 89 e8 <49> 8d 59 01 48 89 da 48 29 ea 48 83 fa 10 0f 8e 8d 00 00 00 41 89
RSP: 0018:ffffc900001b7ea0 EFLAGS: 00000086
RAX: fffffbfff1997d9c RBX: 000000000000000e RCX: ffffffff8130811e
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8ccbece0
RBP: fffffbfff1997d9c R08: 0000000000000000 R09: fffffbfff1997d9c
R10: ffffffff8ccbece7 R11: 0000000000000007 R12: 0000000000000002
R13: 000000000000000e R14: ffff8881186f28b0 R15: 000000000000000e
FS: 00007f451c5d4c80(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200011c0 CR3: 000000013790c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
hlock_class+0x4e/0x130 kernel/locking/lockdep.c:228
lookup_chain_cache_add kernel/locking/lockdep.c:3781 [inline]
validate_chain kernel/locking/lockdep.c:3837 [inline]
__lock_acquire+0x14f4/0x3b30 kernel/locking/lockdep.c:5137
lock_acquire kernel/locking/lockdep.c:5754 [inline]
lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719
console_lock_spinning_enable kernel/printk/printk.c:1870 [inline]
console_emit_next_record kernel/printk/printk.c:2922 [inline]
console_flush_all+0x514/0xd70 kernel/printk/printk.c:2994
console_unlock+0xae/0x290 kernel/printk/printk.c:3063
vprintk_emit kernel/printk/printk.c:2345 [inline]
vprintk_emit+0x11a/0x5a0 kernel/printk/printk.c:2300
vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:45
_printk+0xc8/0x100 kernel/printk/printk.c:2370
printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
show_trace_log_lvl+0x211/0x500 arch/x86/kernel/dumpstack.c:285
sched_show_task kernel/sched/core.c:9191 [inline]
sched_show_task+0x42e/0x650 kernel/sched/core.c:9165
show_state_filter+0xee/0x320 kernel/sched/core.c:9236
k_spec drivers/tty/vt/keyboard.c:667 [inline]
k_spec+0xed/0x150 drivers/tty/vt/keyboard.c:656
kbd_keycode drivers/tty/vt/keyboard.c:1524 [inline]
kbd_event+0xcbd/0x17a0 drivers/tty/vt/keyboard.c:1543
input_to_handler+0x38f/0x4d0 drivers/input/input.c:132
input_pass_values+0x5c9/0x840 drivers/input/input.c:161
input_event_dispose+0x508/0x630 drivers/input/input.c:389
input_handle_event+0x11c/0xd80 drivers/input/input.c:406
input_event drivers/input/input.c:435 [inline]
input_event+0x83/0xa0 drivers/input/input.c:427
hidinput_hid_event+0xa12/0x2410 drivers/hid/hid-input.c:1746
hid_process_event+0x4b7/0x5e0 drivers/hid/hid-core.c:1540
hid_input_array_field+0x330/0x710 drivers/hid/hid-core.c:1644
hid_process_report drivers/hid/hid-core.c:1694 [inline]
hid_report_raw_event+0xa02/0x11c0 drivers/hid/hid-core.c:2015
hid_input_report+0x345/0x440 drivers/hid/hid-core.c:2089
hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:284
__usb_hcd_giveback_urb+0x466/0x6e0 drivers/usb/core/hcd.c:1650
usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
dummy_timer+0x17f6/0x3900 drivers/usb/gadget/udc/dummy_hcd.c:1987
__run_hrtimer kernel/time/hrtimer.c:1687 [inline]
__hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1751
hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1813
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x8b/0xb0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:unwind_next_frame+0x5e4/0x23a0 arch/x86/kernel/unwind_orc.c:505
Code: 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 0f b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 71 18 00 00 45 0f b6 74 24 05 <31> ff 41 83 e6 07 44 89 f6 e8 be 01 3e 00 45 84 f6 0f 84 ec fd ff
RSP: 0018:ffffc90003def290 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc90003def368 RCX: ffffffff81152bc4
RDX: 0000000000000007 RSI: ffffffff81153c52 RDI: 0000000000000006
RBP: 0000000000000001 R08: 0000000000000006 R09: ffffffff81156109
R10: ffffffff81155d91 R11: 0000000000000001 R12: ffffffff8a10c022
R13: ffffffff8a10c027 R14: 0000000000000002 R15: ffffc90003def39d
__unwind_start+0x5aa/0x880 arch/x86/kernel/unwind_orc.c:760
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0xb2/0x170 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
__kasan_kmalloc+0x8f/0xa0 mm/kasan/common.c:387
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slub.c:4122 [inline]
__kmalloc_noprof+0x1e7/0x3d0 mm/slub.c:4135
kmalloc_noprof include/linux/slab.h:664 [inline]
kzalloc_noprof include/linux/slab.h:778 [inline]
tomoyo_encode2+0x100/0x3e0 security/tomoyo/realpath.c:45
tomoyo_encode+0x29/0x50 security/tomoyo/realpath.c:80
tomoyo_realpath_from_path+0x19d/0x720 security/tomoyo/realpath.c:283
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_check_open_permission+0x2a7/0x3b0 security/tomoyo/file.c:771
tomoyo_file_open+0x71/0x90 security/tomoyo/tomoyo.c:334
security_file_open+0x65/0xb0 security/security.c:2962
do_dentry_open+0x5fa/0x17d0 fs/open.c:942
do_open fs/namei.c:3650 [inline]
path_openat+0x1e3a/0x29f0 fs/namei.c:3807
do_filp_open+0x1dc/0x430 fs/namei.c:3834
do_sys_openat2+0x17a/0x1e0 fs/open.c:1405
do_sys_open fs/open.c:1420 [inline]
__do_sys_openat fs/open.c:1436 [inline]
__se_sys_openat fs/open.c:1431 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1431
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f451c6ff9a4
Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffedeaa8980 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f451c6ff9a4
RDX: 0000000000080000 RSI: 0000561284bf3920 RDI: 00000000ffffff9c
RBP: 0000561284bf3920 R08: 0000000000000003 R09: e18d92ae6b06aabc
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 00007ffedeab9108 R14: 00007ffedeab9758 R15: 00005612820b3a04
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
__kasan_kmalloc+0x8f/0xa0 mm/kasan/common.c:387
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slub.c:4122 [inline]
__kmalloc_noprof+0x1e7/0x3d0 mm/slub.c:4135
kmalloc_noprof include/linux/slab.h:664 [inline]
kzalloc_noprof include/linux/slab.h:778 [inline]
tomoyo_encode2+0x100/0x3e0 security/tomoyo/realpath.c:45
tomoyo_encode+0x29/0x50 security/tomoyo/realpath.c:80
tomoyo_realpath_from_path+0x19d/0x720 security/tomoyo/realpath.c:283
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_check_open_permission+0x2a7/0x3b0 security/tomoyo/file.c:771
tomoyo_file_open+0x71/0x90 security/tomoyo/tomoyo.c:334
security_file_open+0x65/0xb0 security/security.c:2962
do_dentry_open+0x5fa/0x17d0 fs/open.c:942
do_open fs/namei.c:3650 [inline]
path_openat+0x1e3a/0x29f0 fs/namei.c:3807
do_filp_open+0x1dc/0x430 fs/namei.c:3834
do_sys_openat2+0x17a/0x1e0 fs/open.c:1405
do_sys_open fs/open.c:1420 [inline]
__do_sys_openat fs/open.c:1436 [inline]
__se_sys_openat fs/open.c:1431 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1431
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f451c6ff9a4
Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffedeaa8980 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f451c6ff9a4
RDX: 0000000000080000 RSI: 0000561284bf3920 RDI: 00000000ffffff9c
RBP: 0000561284bf3920 R08: 0000000000000003 R09: e18d92ae6b06aabc
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 00007ffedeab9108 R14: 00007ffedeab9758 R15: 00005612820b3a04
task:udevd state:S stack:28048 pid:4806 tgid:4806 ppid:2400 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
schedule_hrtimeout_range_clock+0x3c7/0x430 kernel/time/hrtimer.c:2273
ep_poll fs/eventpoll.c:2062 [inline]
do_epoll_wait+0x13d4/0x1ae0 fs/eventpoll.c:2464
__do_sys_epoll_wait fs/eventpoll.c:2476 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2471 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2471
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f451c70c457
RSP: 002b:00007ffedeabe538 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f451c70c457
RDX: 0000000000000004 RSI: 00007ffedeabe578 RDI: 0000000000000004
RBP: 0000561284bf0230 R08: 0000000000000007 R09: e18d92ae6b06aabc
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000561284c07070
R13: 00007ffedeabe578 R14: 00000000ffffffff R15: 0000561284bdc910
task:udevd state:D stack:26416 pid:4809 tgid:4809 ppid:2400 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 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
device_lock include/linux/device.h:1009 [inline]
uevent_show+0x188/0x3b0 drivers/base/core.c:2743
dev_attr_show+0x53/0xe0 drivers/base/core.c:2437
sysfs_kf_seq_show+0x23e/0x410 fs/sysfs/file.c:59
seq_read_iter+0x4fa/0x12c0 fs/seq_file.c:230
kernfs_fop_read_iter+0x41a/0x590 fs/kernfs/file.c:279
new_sync_read fs/read_write.c:395 [inline]
vfs_read+0x869/0xbd0 fs/read_write.c:476
ksys_read+0x12f/0x260 fs/read_write.c:619
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f451c6ffb6a
RSP: 002b:00007ffedeab5b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000561284c000b0 RCX: 00007f451c6ffb6a
RDX: 0000000000001000 RSI: 0000561284bf9930 RDI: 0000000000000008
RBP: 0000561284c000b0 R08: 0000000000000008 R09: 0000000000000008
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007ffedeab5fe8 R15: 000000000000000a
task:kworker/1:4 state:I stack:21344 pid:4828 tgid:4828 ppid:2 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
worker_thread+0x2de/0xf70 kernel/workqueue.c:3408
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/0:5 state:I stack:24960 pid:4843 tgid:4843 ppid:2 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
worker_thread+0x2de/0xf70 kernel/workqueue.c:3408
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:kworker/1:5 state:I stack:23536 pid:4863 tgid:4863 ppid:2 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
worker_thread+0x2de/0xf70 kernel/workqueue.c:3408
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:udevd state:S stack:27488 pid:5199 tgid:5199 ppid:2400 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
schedule_hrtimeout_range_clock+0x3c7/0x430 kernel/time/hrtimer.c:2273
ep_poll fs/eventpoll.c:2062 [inline]
do_epoll_wait+0x13d4/0x1ae0 fs/eventpoll.c:2464
__do_sys_epoll_wait fs/eventpoll.c:2476 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2471 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2471
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f451c70c457
RSP: 002b:00007ffedeabe538 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f451c70c457
RDX: 0000000000000004 RSI: 00007ffedeabe578 RDI: 0000000000000004
RBP: 0000561284c132c0 R08: 0000000000000007 R09: e18d92ae6b06aabc
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000561284bff0f0
R13: 00007ffedeabe578 R14: 0000000000000008 R15: 0000561284bdc910
task:udevd state:S stack:28016 pid:5200 tgid:5200 ppid:2400 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
schedule_hrtimeout_range_clock+0x3c7/0x430 kernel/time/hrtimer.c:2273
ep_poll fs/eventpoll.c:2062 [inline]
do_epoll_wait+0x13d4/0x1ae0 fs/eventpoll.c:2464
__do_sys_epoll_wait fs/eventpoll.c:2476 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2471 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2471
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f451c70c457
RSP: 002b:00007ffedeabe538 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f451c70c457
RDX: 0000000000000004 RSI: 00007ffedeabe578 RDI: 0000000000000004
RBP: 0000561284c132c0 R08: 0000000000000007 R09: e18d92ae6b06aabc
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000561284bdd260
R13: 00007ffedeabe578 R14: 00000000ffffffff R15: 0000561284bdc910
task:kworker/1:6 state:I stack:23184 pid:5491 tgid:5491 ppid:2 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
worker_thread+0x2de/0xf70 kernel/workqueue.c:3408
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:udevd state:S stack:27488 pid:5496 tgid:5496 ppid:2400 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
schedule_hrtimeout_range_clock+0x3c7/0x430 kernel/time/hrtimer.c:2273
ep_poll fs/eventpoll.c:2062 [inline]
do_epoll_wait+0x13d4/0x1ae0 fs/eventpoll.c:2464
__do_sys_epoll_wait fs/eventpoll.c:2476 [inline]
__se_sys_epoll_wait fs/eventpoll.c:2471 [inline]
__x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2471
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f451c70c457
RSP: 002b:00007ffedeabe538 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f451c70c457
RDX: 0000000000000004 RSI: 00007ffedeabe578 RDI: 0000000000000004
RBP: 0000561284bfde10 R08: 0000000000000007 R09: e18d92ae6b06aabc
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000561284c1ae20
R13: 00007ffedeabe578 R14: 00000000ffffffff R15: 0000561284bdc910
task:syz-executor.1 state:D stack:27184 pid:5504 tgid:5504 ppid:2528 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
synchronize_rcu_expedited+0x392/0x450 kernel/rcu/tree_exp.h:954
evdev_detach_client drivers/input/evdev.c:386 [inline]
evdev_release+0x245/0x400 drivers/input/evdev.c:449
__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+0x24b/0x250 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbef824b0a9
RSP: 002b:00007fff19375298 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000026b8b RCX: 00007fbef824b0a9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: ffffffffffffffff R08: 0000000000000001 R09: 0000001700000000
R10: 00007fbef81ce000 R11: 0000000000000246 R12: 00007fbef8381f80
R13: 00007fbef8381f8c R14: 0000000000000bea R15: 00007fbef8383980
task:syz-executor.3 state:D stack:27184 pid:5506 tgid:5506 ppid:2533 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:314
synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:939
namespace_unlock+0x1b5/0x490 fs/namespace.c:1573
drop_collected_mounts fs/namespace.c:2078 [inline]
put_mnt_ns fs/namespace.c:5201 [inline]
put_mnt_ns+0x10a/0x150 fs/namespace.c:5197
free_nsproxy+0x47/0x4d0 kernel/nsproxy.c:193
put_nsproxy include/linux/nsproxy.h:107 [inline]
switch_task_namespaces+0xe0/0x110 kernel/nsproxy.c:251
do_exit+0xa96/0x2b20 kernel/exit.c:873
do_group_exit+0xd3/0x2a0 kernel/exit.c:1023
get_signal+0x2618/0x2710 kernel/signal.c:2909
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:111 [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+0x141/0x250 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4bff7d70a9
RSP: 002b:00007ffdc5da0418 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 00000000000272bd RCX: 00007f4bff7d70a9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4bff90df8c
RBP: 0000000000027ea7 R08: 00007f4bff8e4080 R09: 0000000100000000
R10: 00007ffdc5da0500 R11: 0000000000000246 R12: 00007ffdc5da0500
R13: 00007f4bff90df8c R14: 0000000000000bea R15: 00007ffdc5da0520
task:syz-executor.0 state:D stack:28768 pid:5510 tgid:5509 ppid:2525 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 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
exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:323
synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:939
evdev_detach_client drivers/input/evdev.c:386 [inline]
evdev_release+0x245/0x400 drivers/input/evdev.c:449
__fput+0x408/0xbb0 fs/file_table.c:422
__fput_sync+0x47/0x50 fs/file_table.c:507
__do_sys_close fs/open.c:1555 [inline]
__se_sys_close fs/open.c:1540 [inline]
__x64_sys_close+0x86/0x100 fs/open.c:1540
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f94f9f4ef9a
RSP: 002b:00007f94f92ca080 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f94fa086f80 RCX: 00007f94f9f4ef9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f94f9fbf074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000006 R14: 00007f94fa086f80 R15: 00007ffe0a453f78
task:syz-executor.2 state:D stack:27184 pid:5511 tgid:5511 ppid:2522 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:314
synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:939
evdev_detach_client drivers/input/evdev.c:386 [inline]
evdev_release+0x245/0x400 drivers/input/evdev.c:449
__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+0x24b/0x250 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3be4bf80a9
RSP: 002b:00007ffc788f2d48 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000002744a RCX: 00007f3be4bf80a9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: ffffffffffffffff R08: 0000000000000001 R09: 0000001e00000000
R10: 00007f3be4b7b000 R11: 0000000000000246 R12: 00007f3be4d2ef80
R13: 00007f3be4d2ef8c R14: 0000000000000bea R15: 00007f3be4d30980
task:kworker/0:6 state:I stack:27592 pid:5513 tgid:5513 ppid:2 flags:0x00004000
Workqueue: 0x0 (usb_hub_wq)
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
worker_thread+0x2de/0xf70 kernel/workqueue.c:3408
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:syz-executor.4 state:D stack:28672 pid:5515 tgid:5515 ppid:2524 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xca6/0x3170 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
io_schedule+0xbf/0x130 kernel/sched/core.c:9043
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:209
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1111
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1260
__ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239
__ext4_new_inode+0xf80/0x5190 fs/ext4/ialloc.c:1088
ext4_symlink+0x3d9/0xa40 fs/ext4/namei.c:3395
vfs_symlink fs/namei.c:4489 [inline]
vfs_symlink+0x3e8/0x660 fs/namei.c:4473
do_symlinkat+0x263/0x310 fs/namei.c:4515
__do_sys_symlinkat fs/namei.c:4531 [inline]
__se_sys_symlinkat fs/namei.c:4528 [inline]
__x64_sys_symlinkat+0x97/0xc0 fs/namei.c:4528
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fadcb2e8827
RSP: 002b:00007ffddd540148 EFLAGS: 00000206 ORIG_RAX: 000000000000010a
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fadcb2e8827
RDX: 00007fadcb346804 RSI: 00000000ffffff9c RDI: 00007ffddd540200
RBP: 0000000000000001 R08: 0000000000000017 R09: 00007ffddd53fe97
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffddd540200 R15: 0000000000000000
Showing all locks held in the system:
2 locks held by getty/2458:
#0: ffff888107a870a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2211
4 locks held by syz-fuzzer/2502:
#0: ffff88811b0acac8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xeb/0x180 fs/file.c:1191
#1: ffff88811aea2ba0 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0xe8/0x5f0 fs/readdir.c:103
#2: ffff8881138723f8 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2458 [inline]
#2: ffff8881138723f8 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x46f/0x5f0 fs/readdir.c:113
#3: ffff888113876950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x10db/0x15e0 fs/jbd2/transaction.c:463
4 locks held by syz-fuzzer/2508:
#0: ffff88811c48b9c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xeb/0x180 fs/file.c:1191
#1: ffff888122d58400 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0xe8/0x5f0 fs/readdir.c:103
#2: ffff8881138723f8 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2458 [inline]
#2: ffff8881138723f8 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x46f/0x5f0 fs/readdir.c:113
#3: ffff888113876950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x10db/0x15e0 fs/jbd2/transaction.c:463
4 locks held by syz-fuzzer/2511:
#0: ffff88810bb7ad48 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xeb/0x180 fs/file.c:1191
#1: ffff88811aea21b8 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0xe8/0x5f0 fs/readdir.c:103
#2: ffff8881138723f8 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2458 [inline]
#2: ffff8881138723f8 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x46f/0x5f0 fs/readdir.c:113
#3: ffff888113876950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x10db/0x15e0 fs/jbd2/transaction.c:463
4 locks held by syz-fuzzer/2512:
#0: ffff88811c48afc8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xeb/0x180 fs/file.c:1191
#1: ffff88811aea3588 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0xe8/0x5f0 fs/readdir.c:103
#2: ffff8881138723f8 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2458 [inline]
#2: ffff8881138723f8 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x46f/0x5f0 fs/readdir.c:113
#3: ffff888113876950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x10db/0x15e0 fs/jbd2/transaction.c:463
6 locks held by kworker/0:3/4792:
#0: ffff8881052ccd48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x12bf/0x1b60 kernel/workqueue.c:3206
#1: ffffc90003d8fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x957/0x1b60 kernel/workqueue.c:3207
#2: ffff888109bb7190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#2: ffff888109bb7190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f50 drivers/usb/core/hub.c:5849
#3: ffff88811dac3190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#3: ffff88811dac3190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295
#4: ffff888120b23160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#4: ffff888120b23160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline]
#4: ffff888120b23160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1290
#5: ffff8881193d5a20 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#5: ffff8881193d5a20 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline]
#5: ffff8881193d5a20 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1290
5 locks held by kworker/1:3/4803:
#0: ffff8881052ccd48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x12bf/0x1b60 kernel/workqueue.c:3206
#1: ffffc90003dbfd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x957/0x1b60 kernel/workqueue.c:3207
#2: ffff888109787190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#2: ffff888109787190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f50 drivers/usb/core/hub.c:5849
#3: ffff888105f5d190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#3: ffff888105f5d190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1003
#4: ffff88810f2c5968 (hcd->bandwidth_mutex){+.+.}-{3:3}, at: usb_set_configuration+0x5fd/0x1c50 drivers/usb/core/message.c:2077
5 locks held by udevd/4805:
#0: ffffffff889c8a50 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline]
#0: ffffffff889c8a50 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline]
#0: ffffffff889c8a50 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1108 [inline]
#0: ffffffff889c8a50 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_check_open_permission+0x164/0x3b0 security/tomoyo/file.c:767
#1: ffff888111f8c230 (&dev->event_lock){-.-.}-{2:2}, at: input_event drivers/input/input.c:434 [inline]
#1: ffff888111f8c230 (&dev->event_lock){-.-.}-{2:2}, at: input_event+0x70/0xa0 drivers/input/input.c:427
#2: ffffffff886b4660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#2: ffffffff886b4660 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#2: ffffffff886b4660 (rcu_read_lock){....}-{1:2}, at: input_pass_values+0xb2/0x840 drivers/input/input.c:153
#3: ffffffff88b69cf8 (kbd_event_lock){-.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
#3: ffffffff88b69cf8 (kbd_event_lock){-.-.}-{2:2}, at: kbd_event+0x8a/0x17a0 drivers/tty/vt/keyboard.c:1537
#4: ffffffff886b4660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#4: ffffffff886b4660 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#4: ffffffff886b4660 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
4 locks held by udevd/4809:
#0: ffff88811c9dd418 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xde/0x12c0 fs/seq_file.c:182
#1: ffff8881378dec88 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
#2: ffff888115e3e4b8 (kn->active#3){++++}-{0:0}, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155
#3: ffff888105f5d190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#3: ffff888105f5d190 (&dev->mutex){....}-{3:3}, at: uevent_show+0x188/0x3b0 drivers/base/core.c:2743
1 lock held by syz-executor.1/5504:
#0: ffffffff886bfdf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x282/0x3b0 kernel/rcu/tree_exp.h:291
1 lock held by syz-executor.0/5510:
#0: ffffffff886bfdf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:323
3 locks held by syz-executor.4/5515:
#0: ffff8881138723f8 (sb_writers#4){.+.+}-{0:0}, at: filename_create+0x10d/0x530 fs/namei.c:3893
#1: ffff88813a8b8de8 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:826 [inline]
#1: ffff88813a8b8de8 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: filename_create+0x1c2/0x530 fs/namei.c:3900
#2: ffff888113876950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x10db/0x15e0 fs/jbd2/transaction.c:463
=============================================
keytouch 0003:0926:3333.0012: can't resubmit intr, dummy_hcd.4-1/input0, status -19
keytouch 0003:0926:3333.0012: usb_submit_urb(ctrl) failed: -19