=====================================================
WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected
5.15.164-syzkaller #0 Not tainted
-----------------------------------------------------
syz.2.1614/9587 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
ffff888053260360 (&new->fa_lock){....}-{2:2}, at: kill_fasync_rcu fs/fcntl.c:1014 [inline]
ffff888053260360 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x16a/0x490 fs/fcntl.c:1035
and this task is already holding:
ffff88807aad6028 (&client->buffer_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
ffff88807aad6028 (&client->buffer_lock){..-.}-{2:2}, at: evdev_pass_values+0xe7/0xb60 drivers/input/evdev.c:261
which would create a new lock dependency:
(&client->buffer_lock){..-.}-{2:2} -> (&new->fa_lock){....}-{2:2}
but this new dependency connects a SOFTIRQ-irq-safe lock:
(&client->buffer_lock){..-.}-{2:2}
... which became SOFTIRQ-irq-safe at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:363 [inline]
evdev_pass_values+0xe7/0xb60 drivers/input/evdev.c:261
evdev_events+0x198/0x2c0 drivers/input/evdev.c:306
input_to_handler drivers/input/input.c:126 [inline]
input_pass_values+0x873/0x1200 drivers/input/input.c:156
input_handle_event+0xd3d/0x1600 drivers/input/input.c:426
input_event+0x9d/0xd0 drivers/input/input.c:457
hidinput_hid_event+0x1135/0x18e0 drivers/hid/hid-input.c:1467
hid_process_event+0x433/0x580 drivers/hid/hid-core.c:1538
hid_input_field drivers/hid/hid-core.c:1582 [inline]
hid_report_raw_event+0xe9e/0x1640 drivers/hid/hid-core.c:1806
hid_input_report+0x419/0x4d0 drivers/hid/hid-core.c:1873
hid_irq_in+0x45c/0x690 drivers/hid/usbhid/hid-core.c:284
__usb_hcd_giveback_urb+0x371/0x530 drivers/usb/core/hcd.c:1674
dummy_timer+0x8ad/0x3200 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451
expire_timers kernel/time/timer.c:1496 [inline]
__run_timers+0x67c/0x890 kernel/time/timer.c:1767
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
__do_softirq kernel/softirq.c:592 [inline]
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
preempt_count_sub+0x3/0x160 kernel/sched/core.c:5512
unwind_next_frame+0x1437/0x1fa0 arch/x86/kernel/unwind_orc.c:616
arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4b/0x80 mm/kasan/common.c:46
kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360
____kasan_slab_free+0xd8/0x120 mm/kasan/common.c:366
kasan_slab_free include/linux/kasan.h:230 [inline]
slab_free_hook mm/slub.c:1705 [inline]
slab_free_freelist_hook+0xdd/0x160 mm/slub.c:1731
slab_free mm/slub.c:3499 [inline]
kfree+0xf1/0x270 mm/slub.c:4559
tomoyo_check_open_permission+0x373/0x490 security/tomoyo/file.c:786
security_file_open+0x5f/0xa0 security/security.c:1668
do_dentry_open+0x315/0xfb0 fs/open.c:813
do_open fs/namei.c:3608 [inline]
path_openat+0x2705/0x2f20 fs/namei.c:3742
do_filp_open+0x21c/0x460 fs/namei.c:3769
do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
do_sys_open fs/open.c:1269 [inline]
__do_sys_openat fs/open.c:1285 [inline]
__se_sys_openat fs/open.c:1280 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1280
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
to a SOFTIRQ-irq-unsafe lock:
(tasklist_lock){.+.+}-{2:2}
... which became SOFTIRQ-irq-unsafe at:
...
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
_raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228
do_wait+0x2a7/0xaf0 kernel/exit.c:1578
kernel_wait+0xe5/0x230 kernel/exit.c:1768
call_usermodehelper_exec_sync kernel/umh.c:139 [inline]
call_usermodehelper_exec_work+0xb5/0x220 kernel/umh.c:166
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
other info that might help us debug this:
Chain exists of:
&client->buffer_lock --> &new->fa_lock --> tasklist_lock
Possible interrupt unsafe locking scenario:
CPU0 CPU1
---- ----
lock(tasklist_lock);
local_irq_disable();
lock(&client->buffer_lock);
lock(&new->fa_lock);
<Interrupt>
lock(&client->buffer_lock);
*** DEADLOCK ***
7 locks held by syz.2.1614/9587:
#0: ffff888148a8b110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x26d/0x7c0 drivers/input/evdev.c:513
#1: ffff888147004230 (&dev->event_lock#2){-.-.}-{2:2}, at: input_inject_event+0xc0/0x300 drivers/input/input.c:482
#2: ffffffff8c91fb20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311
#3: ffffffff8c91fb20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311
#4: ffffffff8c91fb20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311
#5: ffff88807aad6028 (&client->buffer_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
#5: ffff88807aad6028 (&client->buffer_lock){..-.}-{2:2}, at: evdev_pass_values+0xe7/0xb60 drivers/input/evdev.c:261
#6: ffffffff8c91fb20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311
the dependencies between SOFTIRQ-irq-safe lock and the holding lock:
-> (&client->buffer_lock){..-.}-{2:2} {
IN-SOFTIRQ-W at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:363 [inline]
evdev_pass_values+0xe7/0xb60 drivers/input/evdev.c:261
evdev_events+0x198/0x2c0 drivers/input/evdev.c:306
input_to_handler drivers/input/input.c:126 [inline]
input_pass_values+0x873/0x1200 drivers/input/input.c:156
input_handle_event+0xd3d/0x1600 drivers/input/input.c:426
input_event+0x9d/0xd0 drivers/input/input.c:457
hidinput_hid_event+0x1135/0x18e0 drivers/hid/hid-input.c:1467
hid_process_event+0x433/0x580 drivers/hid/hid-core.c:1538
hid_input_field drivers/hid/hid-core.c:1582 [inline]
hid_report_raw_event+0xe9e/0x1640 drivers/hid/hid-core.c:1806
hid_input_report+0x419/0x4d0 drivers/hid/hid-core.c:1873
hid_irq_in+0x45c/0x690 drivers/hid/usbhid/hid-core.c:284
__usb_hcd_giveback_urb+0x371/0x530 drivers/usb/core/hcd.c:1674
dummy_timer+0x8ad/0x3200 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451
expire_timers kernel/time/timer.c:1496 [inline]
__run_timers+0x67c/0x890 kernel/time/timer.c:1767
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
__do_softirq kernel/softirq.c:592 [inline]
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
preempt_count_sub+0x3/0x160 kernel/sched/core.c:5512
unwind_next_frame+0x1437/0x1fa0 arch/x86/kernel/unwind_orc.c:616
arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4b/0x80 mm/kasan/common.c:46
kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360
____kasan_slab_free+0xd8/0x120 mm/kasan/common.c:366
kasan_slab_free include/linux/kasan.h:230 [inline]
slab_free_hook mm/slub.c:1705 [inline]
slab_free_freelist_hook+0xdd/0x160 mm/slub.c:1731
slab_free mm/slub.c:3499 [inline]
kfree+0xf1/0x270 mm/slub.c:4559
tomoyo_check_open_permission+0x373/0x490 security/tomoyo/file.c:786
security_file_open+0x5f/0xa0 security/security.c:1668
do_dentry_open+0x315/0xfb0 fs/open.c:813
do_open fs/namei.c:3608 [inline]
path_openat+0x2705/0x2f20 fs/namei.c:3742
do_filp_open+0x21c/0x460 fs/namei.c:3769
do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
do_sys_open fs/open.c:1269 [inline]
__do_sys_openat fs/open.c:1285 [inline]
__se_sys_openat fs/open.c:1280 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1280
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
INITIAL USE at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:363 [inline]
evdev_pass_values+0xe7/0xb60 drivers/input/evdev.c:261
evdev_events+0x198/0x2c0 drivers/input/evdev.c:306
input_to_handler drivers/input/input.c:126 [inline]
input_pass_values+0x873/0x1200 drivers/input/input.c:156
input_handle_event+0xc9b/0x1600 drivers/input/input.c:415
input_inject_event+0x1fc/0x300 drivers/input/input.c:487
evdev_write+0x668/0x7c0 drivers/input/evdev.c:530
vfs_write+0x30c/0xe50 fs/read_write.c:592
ksys_write+0x1a2/0x2c0 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
}
... key at: [<ffffffff917ccce0>] evdev_open.__key.23+0x0/0x20
the dependencies between the lock to be acquired
and SOFTIRQ-irq-unsafe lock:
-> (tasklist_lock){.+.+}-{2:2} {
HARDIRQ-ON-R at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
_raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228
do_wait+0x2a7/0xaf0 kernel/exit.c:1578
kernel_wait+0xe5/0x230 kernel/exit.c:1768
call_usermodehelper_exec_sync kernel/umh.c:139 [inline]
call_usermodehelper_exec_work+0xb5/0x220 kernel/umh.c:166
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
SOFTIRQ-ON-R at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
_raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228
do_wait+0x2a7/0xaf0 kernel/exit.c:1578
kernel_wait+0xe5/0x230 kernel/exit.c:1768
call_usermodehelper_exec_sync kernel/umh.c:139 [inline]
call_usermodehelper_exec_work+0xb5/0x220 kernel/umh.c:166
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
INITIAL USE at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_write_lock_irq include/linux/rwlock_api_smp.h:196 [inline]
_raw_write_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:316
copy_process+0x22be/0x3ef0 kernel/fork.c:2337
kernel_clone+0x210/0x960 kernel/fork.c:2604
kernel_thread+0x168/0x1e0 kernel/fork.c:2656
rest_init+0x21/0x330 init/main.c:706
start_kernel+0x48c/0x540 init/main.c:1140
secondary_startup_64_no_verify+0xb1/0xbb
INITIAL READ USE at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
_raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228
do_wait+0x2a7/0xaf0 kernel/exit.c:1578
kernel_wait+0xe5/0x230 kernel/exit.c:1768
call_usermodehelper_exec_sync kernel/umh.c:139 [inline]
call_usermodehelper_exec_work+0xb5/0x220 kernel/umh.c:166
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
}
... key at: [<ffffffff8c60a058>] tasklist_lock+0x18/0x40
... acquired at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
_raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228
send_sigurg+0xc8/0x380 fs/fcntl.c:851
sk_send_sigurg+0x6a/0xb0 net/core/sock.c:3128
queue_oob+0x7fe/0xad0 net/unix/af_unix.c:2012
unix_stream_sendmsg+0xe0a/0x1070 net/unix/af_unix.c:2112
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
____sys_sendmsg+0x59e/0x8f0 net/socket.c:2431
___sys_sendmsg+0x252/0x2e0 net/socket.c:2485
__sys_sendmmsg+0x2bf/0x560 net/socket.c:2571
__do_sys_sendmmsg net/socket.c:2600 [inline]
__se_sys_sendmmsg net/socket.c:2597 [inline]
__x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2597
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
-> (&f->f_owner.lock){...-}-{2:2} {
IN-SOFTIRQ-R at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline]
_raw_read_lock_irqsave+0xd9/0x120 kernel/locking/spinlock.c:236
send_sigurg+0x25/0x380 fs/fcntl.c:835
sk_send_sigurg+0x6a/0xb0 net/core/sock.c:3128
tcp_check_urg net/ipv4/tcp_input.c:5635 [inline]
tcp_urg+0x2b8/0xb40 net/ipv4/tcp_input.c:5676
tcp_rcv_established+0xe33/0x1e20 net/ipv4/tcp_input.c:6010
tcp_v4_do_rcv+0x423/0x960 net/ipv4/tcp_ipv4.c:1733
tcp_v4_rcv+0x2740/0x2d80 net/ipv4/tcp_ipv4.c:2145
ip_protocol_deliver_rcu+0x381/0x730 net/ipv4/ip_input.c:204
ip_local_deliver_finish+0x1db/0x320 net/ipv4/ip_input.c:231
NF_HOOK+0x364/0x410 include/linux/netfilter.h:302
NF_HOOK+0x364/0x410 include/linux/netfilter.h:302
__netif_receive_skb_one_core net/core/dev.c:5485 [inline]
__netif_receive_skb+0x1c6/0x530 net/core/dev.c:5599
process_backlog+0x363/0x7f0 net/core/dev.c:6476
__napi_poll+0xc7/0x440 net/core/dev.c:7035
napi_poll net/core/dev.c:7102 [inline]
net_rx_action+0x617/0xda0 net/core/dev.c:7192
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
run_ksoftirqd+0xc6/0x120 kernel/softirq.c:925
smpboot_thread_fn+0x51b/0x9d0 kernel/smpboot.c:164
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
INITIAL USE at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_write_lock_irq include/linux/rwlock_api_smp.h:196 [inline]
_raw_write_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:316
f_modown+0x38/0x340 fs/fcntl.c:91
__f_setown fs/fcntl.c:110 [inline]
f_setown+0x127/0x1d0 fs/fcntl.c:138
do_fcntl+0x1b7/0x1600 fs/fcntl.c:393
__do_sys_fcntl fs/fcntl.c:472 [inline]
__se_sys_fcntl+0xd8/0x1b0 fs/fcntl.c:457
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
INITIAL READ USE at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_read_lock_irq include/linux/rwlock_api_smp.h:169 [inline]
_raw_read_lock_irq+0xd6/0x120 kernel/locking/spinlock.c:244
f_getown_ex fs/fcntl.c:212 [inline]
do_fcntl+0x160/0x1600 fs/fcntl.c:396
__do_sys_fcntl fs/fcntl.c:472 [inline]
__se_sys_fcntl+0xd8/0x1b0 fs/fcntl.c:457
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
}
... key at: [<ffffffff914cecc0>] __alloc_file.__key+0x0/0x10
... acquired at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline]
_raw_read_lock_irqsave+0xd9/0x120 kernel/locking/spinlock.c:236
send_sigio+0x2f/0x330 fs/fcntl.c:796
kill_fasync_rcu fs/fcntl.c:1021 [inline]
kill_fasync+0x20c/0x490 fs/fcntl.c:1035
lease_break_callback+0x22/0x30 fs/locks.c:613
__break_lease+0x4d1/0x13b0 fs/locks.c:1615
break_lease include/linux/fs.h:2645 [inline]
do_dentry_open+0x77a/0xfb0 fs/open.c:817
do_open fs/namei.c:3608 [inline]
path_openat+0x2705/0x2f20 fs/namei.c:3742
do_filp_open+0x21c/0x460 fs/namei.c:3769
do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
do_sys_open fs/open.c:1269 [inline]
__do_sys_openat fs/open.c:1285 [inline]
__se_sys_openat fs/open.c:1280 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1280
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
-> (&new->fa_lock){....}-{2:2} {
INITIAL USE at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_write_lock_irq include/linux/rwlock_api_smp.h:196 [inline]
_raw_write_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:316
fasync_remove_entry+0xfb/0x1d0 fs/fcntl.c:891
lease_modify+0x19c/0x380 fs/locks.c:1480
locks_remove_lease fs/locks.c:2711 [inline]
locks_remove_file+0x5d3/0x1040 fs/locks.c:2736
__fput+0x368/0x8e0 fs/file_table.c:272
task_work_run+0x129/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
INITIAL READ USE at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline]
_raw_read_lock_irqsave+0xd9/0x120 kernel/locking/spinlock.c:236
kill_fasync_rcu fs/fcntl.c:1014 [inline]
kill_fasync+0x16a/0x490 fs/fcntl.c:1035
lease_break_callback+0x22/0x30 fs/locks.c:613
__break_lease+0x4d1/0x13b0 fs/locks.c:1615
break_lease include/linux/fs.h:2645 [inline]
do_dentry_open+0x77a/0xfb0 fs/open.c:817
do_open fs/namei.c:3608 [inline]
path_openat+0x2705/0x2f20 fs/namei.c:3742
do_filp_open+0x21c/0x460 fs/namei.c:3769
do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
do_sys_open fs/open.c:1269 [inline]
__do_sys_openat fs/open.c:1285 [inline]
__se_sys_openat fs/open.c:1280 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1280
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
}
... key at: [<ffffffff914cf940>] fasync_insert_entry.__key+0x0/0x20
... acquired at:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline]
_raw_read_lock_irqsave+0xd9/0x120 kernel/locking/spinlock.c:236
kill_fasync_rcu fs/fcntl.c:1014 [inline]
kill_fasync+0x16a/0x490 fs/fcntl.c:1035
__pass_event drivers/input/evdev.c:240 [inline]
evdev_pass_values+0x5ad/0xb60 drivers/input/evdev.c:278
evdev_events+0x198/0x2c0 drivers/input/evdev.c:306
input_to_handler drivers/input/input.c:126 [inline]
input_pass_values+0x873/0x1200 drivers/input/input.c:156
input_handle_event+0xc9b/0x1600 drivers/input/input.c:415
input_inject_event+0x1fc/0x300 drivers/input/input.c:487
evdev_write+0x668/0x7c0 drivers/input/evdev.c:530
vfs_write+0x30c/0xe50 fs/read_write.c:592
ksys_write+0x1a2/0x2c0 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
stack backtrace:
CPU: 0 PID: 9587 Comm: syz.2.1614 Not tainted 5.15.164-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
print_bad_irq_dependency kernel/locking/lockdep.c:2567 [inline]
check_irq_usage kernel/locking/lockdep.c:2806 [inline]
check_prev_add kernel/locking/lockdep.c:3057 [inline]
check_prevs_add kernel/locking/lockdep.c:3172 [inline]
validate_chain+0x4d01/0x5930 kernel/locking/lockdep.c:3788
__lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
__raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline]
_raw_read_lock_irqsave+0xd9/0x120 kernel/locking/spinlock.c:236
kill_fasync_rcu fs/fcntl.c:1014 [inline]
kill_fasync+0x16a/0x490 fs/fcntl.c:1035
__pass_event drivers/input/evdev.c:240 [inline]
evdev_pass_values+0x5ad/0xb60 drivers/input/evdev.c:278
evdev_events+0x198/0x2c0 drivers/input/evdev.c:306
input_to_handler drivers/input/input.c:126 [inline]
input_pass_values+0x873/0x1200 drivers/input/input.c:156
input_handle_event+0xc9b/0x1600 drivers/input/input.c:415
input_inject_event+0x1fc/0x300 drivers/input/input.c:487
evdev_write+0x668/0x7c0 drivers/input/evdev.c:530
vfs_write+0x30c/0xe50 fs/read_write.c:592
ksys_write+0x1a2/0x2c0 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff7b21289f9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff7b05a5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff7b22c4f80 RCX: 00007ff7b21289f9
RDX: 0000000000002250 RSI: 0000000020000040 RDI: 0000000000000004
RBP: 00007ff7b21968ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff7b22c4f80 R15: 00007ffca0444628
</TASK>