=====================================================
WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected
5.13.0-rc7-syzkaller #0 Not tainted
-----------------------------------------------------
syz-executor.0/31496 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
ffff88806bfe29f0 (&new->fa_lock){.?.?}-{2:2}, at: kill_fasync_rcu fs/fcntl.c:1012 [inline]
ffff88806bfe29f0 (&new->fa_lock){.?.?}-{2:2}, at: kill_fasync fs/fcntl.c:1033 [inline]
ffff88806bfe29f0 (&new->fa_lock){.?.?}-{2:2}, at: kill_fasync+0x14b/0x460 fs/fcntl.c:1026
and this task is already holding:
ffff88806c79f028 (&client->buffer_lock){....}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
ffff88806c79f028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values.part.0+0xf6/0x970 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 HARDIRQ-irq-safe lock:
(&evdev->mutex){+.+.}-{3:3}
... which became HARDIRQ-irq-safe at:
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__mutex_lock_common kernel/locking/mutex.c:959 [inline]
__mutex_lock+0x139/0x10c0 kernel/locking/mutex.c:1104
evdev_mark_dead drivers/input/evdev.c:1314 [inline]
evdev_cleanup+0x21/0x1a0 drivers/input/evdev.c:1323
evdev_disconnect+0x45/0xb0 drivers/input/evdev.c:1407
__input_unregister_device+0x206/0x470 drivers/input/input.c:2189
input_unregister_device+0xb4/0xf0 drivers/input/input.c:2379
uinput_destroy_device+0x1f4/0x260 drivers/input/misc/uinput.c:298
uinput_release+0x37/0x50 drivers/input/misc/uinput.c:710
__fput+0x288/0x920 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x281/0x290 kernel/entry/common.c:209
__syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57
entry_SYSCALL_64_after_hwframe+0x44/0xae
to a HARDIRQ-irq-unsafe lock:
(&new->fa_lock){.?.?}-{2:2}
... which became HARDIRQ-irq-unsafe at:
...
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
_raw_read_lock+0x36/0x70 kernel/locking/spinlock.c:223
kill_fasync_rcu fs/fcntl.c:1012 [inline]
kill_fasync fs/fcntl.c:1033 [inline]
kill_fasync+0x14b/0x460 fs/fcntl.c:1026
perf_event_wakeup kernel/events/core.c:6387 [inline]
perf_pending_event+0x432/0x560 kernel/events/core.c:6470
irq_work_single+0x120/0x1f0 kernel/irq_work.c:155
irq_work_run_list+0x91/0xc0 kernel/irq_work.c:177
irq_work_run+0x54/0xd0 kernel/irq_work.c:186
__sysvec_irq_work+0x95/0x3d0 arch/x86/kernel/irq_work.c:22
sysvec_irq_work+0x8e/0xc0 arch/x86/kernel/irq_work.c:17
asm_sysvec_irq_work+0x12/0x20 arch/x86/include/asm/idtentry.h:673
native_apic_mem_write arch/x86/include/asm/apic.h:107 [inline]
__default_send_IPI_shortcut arch/x86/kernel/apic/ipi.c:139 [inline]
default_send_IPI_self+0x5d/0xe0 arch/x86/kernel/apic/ipi.c:242
arch_irq_work_raise+0x92/0x110 arch/x86/kernel/irq_work.c:31
__irq_work_queue_local kernel/irq_work.c:59 [inline]
__irq_work_queue_local+0x133/0x190 kernel/irq_work.c:53
irq_work_queue kernel/irq_work.c:75 [inline]
irq_work_queue+0x47/0x80 kernel/irq_work.c:67
perf_output_wakeup kernel/events/ring_buffer.c:25 [inline]
perf_output_put_handle+0x2e3/0x3f0 kernel/events/ring_buffer.c:131
perf_output_end+0x12/0xb0 kernel/events/ring_buffer.c:301
__perf_event_output kernel/events/core.c:7448 [inline]
perf_event_output_backward+0x13a/0x270 kernel/events/core.c:7468
__perf_event_overflow+0x13c/0x3d0 kernel/events/core.c:9135
perf_swevent_overflow kernel/events/core.c:9211 [inline]
perf_swevent_event+0x347/0x550 kernel/events/core.c:9239
do_perf_sw_event kernel/events/core.c:9352 [inline]
___perf_sw_event+0x31a/0x570 kernel/events/core.c:9383
__perf_sw_event+0x54/0x130 kernel/events/core.c:9395
perf_sw_event include/linux/perf_event.h:1170 [inline]
do_user_addr_fault+0x5e1/0x1210 arch/x86/mm/fault.c:1294
handle_page_fault arch/x86/mm/fault.c:1475 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1531
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:577
__clear_user+0x40/0x70 arch/x86/lib/usercopy_64.c:24
clear_user+0xd3/0x110 arch/x86/lib/usercopy_64.c:54
iov_iter_zero+0x242/0x1830 lib/iov_iter.c:1029
read_iter_zero+0x10f/0x250 drivers/char/mem.c:493
call_read_iter include/linux/fs.h:2108 [inline]
do_iter_readv_writev+0x56a/0x740 fs/read_write.c:738
do_iter_read+0x285/0x6e0 fs/read_write.c:801
vfs_readv+0xe5/0x150 fs/read_write.c:921
do_readv+0x139/0x300 fs/read_write.c:958
do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
entry_SYSCALL_64_after_hwframe+0x44/0xae
other info that might help us debug this:
Chain exists of:
&evdev->mutex --> &client->buffer_lock --> &new->fa_lock
Possible interrupt unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&new->fa_lock);
local_irq_disable();
lock(&evdev->mutex);
lock(&client->buffer_lock);
<Interrupt>
lock(&evdev->mutex);
*** DEADLOCK ***
7 locks held by syz-executor.0/31496:
#0: ffff888024afb110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x1d3/0x760 drivers/input/evdev.c:513
#1: ffff888024958230 (&dev->event_lock){-...}-{2:2}, at: input_inject_event+0xa6/0x310 drivers/input/input.c:471
#2: ffffffff8bf76da0 (rcu_read_lock){....}-{1:2}, at: is_event_supported drivers/input/input.c:53 [inline]
#2: ffffffff8bf76da0 (rcu_read_lock){....}-{1:2}, at: is_event_supported drivers/input/input.c:50 [inline]
#2: ffffffff8bf76da0 (rcu_read_lock){....}-{1:2}, at: input_inject_event+0x92/0x310 drivers/input/input.c:470
#3: ffffffff8bf76da0 (rcu_read_lock){....}-{1:2}, at: input_dev_toggle drivers/input/input.c:1712 [inline]
#3: ffffffff8bf76da0 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x700 drivers/input/input.c:1832
#4: ffffffff8bf76da0 (rcu_read_lock){....}-{1:2}, at: evdev_events+0x59/0x3f0 drivers/input/evdev.c:296
#5: ffff88806c79f028 (&client->buffer_lock){....}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
#5: ffff88806c79f028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values.part.0+0xf6/0x970 drivers/input/evdev.c:261
#6: ffffffff8bf76da0 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x3d/0x460 fs/fcntl.c:1031
the dependencies between HARDIRQ-irq-safe lock and the holding lock:
-> (&evdev->mutex){+.+.}-{3:3} {
HARDIRQ-ON-W at:
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__mutex_lock_common kernel/locking/mutex.c:959 [inline]
__mutex_lock+0x139/0x10c0 kernel/locking/mutex.c:1104
evdev_mark_dead drivers/input/evdev.c:1314 [inline]
evdev_cleanup+0x21/0x1a0 drivers/input/evdev.c:1323
evdev_disconnect+0x45/0xb0 drivers/input/evdev.c:1407
__input_unregister_device+0x206/0x470 drivers/input/input.c:2189
input_unregister_device+0xb4/0xf0 drivers/input/input.c:2379
uinput_destroy_device+0x1f4/0x260 drivers/input/misc/uinput.c:298
uinput_release+0x37/0x50 drivers/input/misc/uinput.c:710
__fput+0x288/0x920 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x281/0x290 kernel/entry/common.c:209
__syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57
entry_SYSCALL_64_after_hwframe+0x44/0xae
SOFTIRQ-ON-W at:
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__mutex_lock_common kernel/locking/mutex.c:959 [inline]
__mutex_lock+0x139/0x10c0 kernel/locking/mutex.c:1104
evdev_mark_dead drivers/input/evdev.c:1314 [inline]
evdev_cleanup+0x21/0x1a0 drivers/input/evdev.c:1323
evdev_disconnect+0x45/0xb0 drivers/input/evdev.c:1407
__input_unregister_device+0x206/0x470 drivers/input/input.c:2189
input_unregister_device+0xb4/0xf0 drivers/input/input.c:2379
uinput_destroy_device+0x1f4/0x260 drivers/input/misc/uinput.c:298
uinput_release+0x37/0x50 drivers/input/misc/uinput.c:710
__fput+0x288/0x920 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x281/0x290 kernel/entry/common.c:209
__syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57
entry_SYSCALL_64_after_hwframe+0x44/0xae
INITIAL USE at:
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__mutex_lock_common kernel/locking/mutex.c:959 [inline]
__mutex_lock+0x139/0x10c0 kernel/locking/mutex.c:1104
evdev_mark_dead drivers/input/evdev.c:1314 [inline]
evdev_cleanup+0x21/0x1a0 drivers/input/evdev.c:1323
evdev_disconnect+0x45/0xb0 drivers/input/evdev.c:1407
__input_unregister_device+0x206/0x470 drivers/input/input.c:2189
input_unregister_device+0xb4/0xf0 drivers/input/input.c:2379
uinput_destroy_device+0x1f4/0x260 drivers/input/misc/uinput.c:298
uinput_release+0x37/0x50 drivers/input/misc/uinput.c:710
__fput+0x288/0x920 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x281/0x290 kernel/entry/common.c:209
__syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57
entry_SYSCALL_64_after_hwframe+0x44/0xae
}
... key at: [<ffffffff90a9c300>] __key.6+0x0/0x40
... acquired at:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159
evdev_set_clk_type drivers/input/evdev.c:201 [inline]
evdev_do_ioctl+0x726/0x1820 drivers/input/evdev.c:1126
evdev_ioctl_handler drivers/input/evdev.c:1272 [inline]
evdev_ioctl+0x145/0x1a0 drivers/input/evdev.c:1281
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:1069 [inline]
__se_sys_ioctl fs/ioctl.c:1055 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:1055
do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
entry_SYSCALL_64_after_hwframe+0x44/0xae
-> (&client->buffer_lock){....}-{2:2} {
INITIAL USE at:
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159
evdev_set_clk_type drivers/input/evdev.c:201 [inline]
evdev_do_ioctl+0x726/0x1820 drivers/input/evdev.c:1126
evdev_ioctl_handler drivers/input/evdev.c:1272 [inline]
evdev_ioctl+0x145/0x1a0 drivers/input/evdev.c:1281
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:1069 [inline]
__se_sys_ioctl fs/ioctl.c:1055 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:1055
do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
entry_SYSCALL_64_after_hwframe+0x44/0xae
}
... key at: [<ffffffff90a9c280>] __key.4+0x0/0x40
... acquired at:
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
_raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:223
kill_fasync_rcu fs/fcntl.c:1012 [inline]
kill_fasync fs/fcntl.c:1033 [inline]
kill_fasync+0x14b/0x460 fs/fcntl.c:1026
__pass_event drivers/input/evdev.c:240 [inline]
evdev_pass_values.part.0+0x64e/0x970 drivers/input/evdev.c:278
evdev_pass_values drivers/input/evdev.c:253 [inline]
evdev_events+0x28b/0x3f0 drivers/input/evdev.c:306
input_to_handler+0x2a0/0x4c0 drivers/input/input.c:115
input_pass_values.part.0+0x284/0x700 drivers/input/input.c:145
input_pass_values drivers/input/input.c:134 [inline]
input_handle_event+0x373/0x1440 drivers/input/input.c:404
input_inject_event+0x2f5/0x310 drivers/input/input.c:476
evdev_write+0x430/0x760 drivers/input/evdev.c:530
vfs_write+0x28e/0xa30 fs/read_write.c:603
ksys_write+0x1ee/0x250 fs/read_write.c:658
do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
entry_SYSCALL_64_after_hwframe+0x44/0xae
the dependencies between the lock to be acquired
and HARDIRQ-irq-unsafe lock:
-> (&new->fa_lock){.?.?}-{2:2} {
IN-HARDIRQ-R at:
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
_raw_read_lock+0x36/0x70 kernel/locking/spinlock.c:223
kill_fasync_rcu fs/fcntl.c:1012 [inline]
kill_fasync fs/fcntl.c:1033 [inline]
kill_fasync+0x14b/0x460 fs/fcntl.c:1026
perf_event_wakeup kernel/events/core.c:6387 [inline]
perf_pending_event+0x432/0x560 kernel/events/core.c:6470
irq_work_single+0x120/0x1f0 kernel/irq_work.c:155
irq_work_run_list+0x91/0xc0 kernel/irq_work.c:177
irq_work_run+0x54/0xd0 kernel/irq_work.c:186
__sysvec_irq_work+0x95/0x3d0 arch/x86/kernel/irq_work.c:22
sysvec_irq_work+0x8e/0xc0 arch/x86/kernel/irq_work.c:17
asm_sysvec_irq_work+0x12/0x20 arch/x86/include/asm/idtentry.h:673
native_apic_mem_write arch/x86/include/asm/apic.h:107 [inline]
__default_send_IPI_shortcut arch/x86/kernel/apic/ipi.c:139 [inline]
default_send_IPI_self+0x5d/0xe0 arch/x86/kernel/apic/ipi.c:242
arch_irq_work_raise+0x92/0x110 arch/x86/kernel/irq_work.c:31
__irq_work_queue_local kernel/irq_work.c:59 [inline]
__irq_work_queue_local+0x133/0x190 kernel/irq_work.c:53
irq_work_queue kernel/irq_work.c:75 [inline]
irq_work_queue+0x47/0x80 kernel/irq_work.c:67
perf_output_wakeup kernel/events/ring_buffer.c:25 [inline]
perf_output_put_handle+0x2e3/0x3f0 kernel/events/ring_buffer.c:131
perf_output_end+0x12/0xb0 kernel/events/ring_buffer.c:301
__perf_event_output kernel/events/core.c:7448 [inline]
perf_event_output_backward+0x13a/0x270 kernel/events/core.c:7468
__perf_event_overflow+0x13c/0x3d0 kernel/events/core.c:9135
perf_swevent_overflow kernel/events/core.c:9211 [inline]
perf_swevent_event+0x347/0x550 kernel/events/core.c:9239
do_perf_sw_event kernel/events/core.c:9352 [inline]
___perf_sw_event+0x31a/0x570 kernel/events/core.c:9383
__perf_sw_event+0x54/0x130 kernel/events/core.c:9395
perf_sw_event include/linux/perf_event.h:1170 [inline]
do_user_addr_fault+0x5e1/0x1210 arch/x86/mm/fault.c:1294
handle_page_fault arch/x86/mm/fault.c:1475 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1531
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:577
__clear_user+0x40/0x70 arch/x86/lib/usercopy_64.c:24
clear_user+0xd3/0x110 arch/x86/lib/usercopy_64.c:54
iov_iter_zero+0x242/0x1830 lib/iov_iter.c:1029
read_iter_zero+0x10f/0x250 drivers/char/mem.c:493
call_read_iter include/linux/fs.h:2108 [inline]
do_iter_readv_writev+0x56a/0x740 fs/read_write.c:738
do_iter_read+0x285/0x6e0 fs/read_write.c:801
vfs_readv+0xe5/0x150 fs/read_write.c:921
do_readv+0x139/0x300 fs/read_write.c:958
do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
entry_SYSCALL_64_after_hwframe+0x44/0xae
HARDIRQ-ON-R at:
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
_raw_read_lock+0x36/0x70 kernel/locking/spinlock.c:223
kill_fasync_rcu fs/fcntl.c:1012 [inline]
kill_fasync fs/fcntl.c:1033 [inline]
kill_fasync+0x14b/0x460 fs/fcntl.c:1026
sock_wake_async+0xd2/0x160 net/socket.c:1299
sk_wake_async include/net/sock.h:2322 [inline]
sk_wake_async include/net/sock.h:2318 [inline]
tcp_fin+0x72d/0x970 net/ipv4/tcp_input.c:4348
tcp_data_queue+0x20de/0x4b10 net/ipv4/tcp_input.c:4973
tcp_rcv_established+0x841/0x1eb0 net/ipv4/tcp_input.c:5881
tcp_v4_do_rcv+0x5d1/0x870 net/ipv4/tcp_ipv4.c:1694
tcp_v4_rcv+0x3298/0x3950 net/ipv4/tcp_ipv4.c:2077
ip_protocol_deliver_rcu+0x5c/0xa20 net/ipv4/ip_input.c:204
ip_local_deliver_finish+0x20a/0x370 net/ipv4/ip_input.c:231
NF_HOOK include/linux/netfilter.h:301 [inline]
NF_HOOK include/linux/netfilter.h:295 [inline]
ip_local_deliver+0x1b3/0x200 net/ipv4/ip_input.c:252
dst_input include/net/dst.h:458 [inline]
ip_rcv_finish+0x1da/0x2f0 net/ipv4/ip_input.c:429
NF_HOOK include/linux/netfilter.h:301 [inline]
NF_HOOK include/linux/netfilter.h:295 [inline]
ip_rcv+0xaa/0xd0 net/ipv4/ip_input.c:540
__netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5459
__netif_receive_skb+0x27/0x1c0 net/core/dev.c:5573
process_backlog+0x232/0x6c0 net/core/dev.c:6437
__napi_poll+0xaf/0x440 net/core/dev.c:6985
napi_poll net/core/dev.c:7052 [inline]
net_rx_action+0x801/0xb40 net/core/dev.c:7139
__do_softirq+0x29b/0x9f6 kernel/softirq.c:559
do_softirq.part.0+0xd9/0x130 kernel/softirq.c:460
do_softirq kernel/softirq.c:452 [inline]
__local_bh_enable_ip+0x102/0x120 kernel/softirq.c:384
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:746 [inline]
ip_finish_output2+0x88b/0x21f0 net/ipv4/ip_output.c:231
__ip_finish_output net/ipv4/ip_output.c:308 [inline]
__ip_finish_output+0x396/0x640 net/ipv4/ip_output.c:290
ip_finish_output+0x35/0x200 net/ipv4/ip_output.c:318
NF_HOOK_COND include/linux/netfilter.h:290 [inline]
ip_output+0x196/0x310 net/ipv4/ip_output.c:432
dst_output include/net/dst.h:448 [inline]
ip_local_out net/ipv4/ip_output.c:126 [inline]
__ip_queue_xmit+0x905/0x1a20 net/ipv4/ip_output.c:533
__tcp_transmit_skb+0x1883/0x38f0 net/ipv4/tcp_output.c:1405
tcp_transmit_skb net/ipv4/tcp_output.c:1423 [inline]
tcp_write_xmit+0xdee/0x6040 net/ipv4/tcp_output.c:2689
__tcp_push_pending_frames+0xaa/0x390 net/ipv4/tcp_output.c:2873
tcp_send_fin+0x117/0xbb0 net/ipv4/tcp_output.c:3422
__tcp_close+0xaca/0x1170 net/ipv4/tcp.c:2790
tcp_close+0x29/0xc0 net/ipv4/tcp.c:2880
inet_release+0x12e/0x280 net/ipv4/af_inet.c:431
__sock_release+0xcd/0x280 net/socket.c:599
sock_close+0x18/0x20 net/socket.c:1245
__fput+0x288/0x920 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x281/0x290 kernel/entry/common.c:209
__syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57
entry_SYSCALL_64_after_hwframe+0x44/0xae
IN-SOFTIRQ-R at:
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
_raw_read_lock+0x36/0x70 kernel/locking/spinlock.c:223
kill_fasync_rcu fs/fcntl.c:1012 [inline]
kill_fasync fs/fcntl.c:1033 [inline]
kill_fasync+0x14b/0x460 fs/fcntl.c:1026
sock_wake_async+0xd2/0x160 net/socket.c:1299
sk_wake_async include/net/sock.h:2322 [inline]
sk_wake_async include/net/sock.h:2318 [inline]
tcp_fin+0x72d/0x970 net/ipv4/tcp_input.c:4348
tcp_data_queue+0x20de/0x4b10 net/ipv4/tcp_input.c:4973
tcp_rcv_established+0x841/0x1eb0 net/ipv4/tcp_input.c:5881
tcp_v4_do_rcv+0x5d1/0x870 net/ipv4/tcp_ipv4.c:1694
tcp_v4_rcv+0x3298/0x3950 net/ipv4/tcp_ipv4.c:2077
ip_protocol_deliver_rcu+0x5c/0xa20 net/ipv4/ip_input.c:204
ip_local_deliver_finish+0x20a/0x370 net/ipv4/ip_input.c:231
NF_HOOK include/linux/netfilter.h:301 [inline]
NF_HOOK include/linux/netfilter.h:295 [inline]
ip_local_deliver+0x1b3/0x200 net/ipv4/ip_input.c:252
dst_input include/net/dst.h:458 [inline]
ip_rcv_finish+0x1da/0x2f0 net/ipv4/ip_input.c:429
NF_HOOK include/linux/netfilter.h:301 [inline]
NF_HOOK include/linux/netfilter.h:295 [inline]
ip_rcv+0xaa/0xd0 net/ipv4/ip_input.c:540
__netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5459
__netif_receive_skb+0x27/0x1c0 net/core/dev.c:5573
process_backlog+0x232/0x6c0 net/core/dev.c:6437
__napi_poll+0xaf/0x440 net/core/dev.c:6985
napi_poll net/core/dev.c:7052 [inline]
net_rx_action+0x801/0xb40 net/core/dev.c:7139
__do_softirq+0x29b/0x9f6 kernel/softirq.c:559
do_softirq.part.0+0xd9/0x130 kernel/softirq.c:460
do_softirq kernel/softirq.c:452 [inline]
__local_bh_enable_ip+0x102/0x120 kernel/softirq.c:384
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:746 [inline]
ip_finish_output2+0x88b/0x21f0 net/ipv4/ip_output.c:231
__ip_finish_output net/ipv4/ip_output.c:308 [inline]
__ip_finish_output+0x396/0x640 net/ipv4/ip_output.c:290
ip_finish_output+0x35/0x200 net/ipv4/ip_output.c:318
NF_HOOK_COND include/linux/netfilter.h:290 [inline]
ip_output+0x196/0x310 net/ipv4/ip_output.c:432
dst_output include/net/dst.h:448 [inline]
ip_local_out net/ipv4/ip_output.c:126 [inline]
__ip_queue_xmit+0x905/0x1a20 net/ipv4/ip_output.c:533
__tcp_transmit_skb+0x1883/0x38f0 net/ipv4/tcp_output.c:1405
tcp_transmit_skb net/ipv4/tcp_output.c:1423 [inline]
tcp_write_xmit+0xdee/0x6040 net/ipv4/tcp_output.c:2689
__tcp_push_pending_frames+0xaa/0x390 net/ipv4/tcp_output.c:2873
tcp_send_fin+0x117/0xbb0 net/ipv4/tcp_output.c:3422
__tcp_close+0xaca/0x1170 net/ipv4/tcp.c:2790
tcp_close+0x29/0xc0 net/ipv4/tcp.c:2880
inet_release+0x12e/0x280 net/ipv4/af_inet.c:431
__sock_release+0xcd/0x280 net/socket.c:599
sock_close+0x18/0x20 net/socket.c:1245
__fput+0x288/0x920 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x281/0x290 kernel/entry/common.c:209
__syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57
entry_SYSCALL_64_after_hwframe+0x44/0xae
SOFTIRQ-ON-R at:
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
_raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:223
kill_fasync_rcu fs/fcntl.c:1012 [inline]
kill_fasync fs/fcntl.c:1033 [inline]
kill_fasync+0x14b/0x460 fs/fcntl.c:1026
sock_wake_async+0xd2/0x160 net/socket.c:1299
sk_wake_async include/net/sock.h:2322 [inline]
sk_wake_async include/net/sock.h:2318 [inline]
sock_def_readable+0x2cb/0x4c0 net/core/sock.c:2920
unix_dgram_sendmsg+0xff9/0x1a80 net/unix/af_unix.c:1801
sock_sendmsg_nosec net/socket.c:654 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:674
____sys_sendmsg+0x331/0x810 net/socket.c:2337
___sys_sendmsg+0xf3/0x170 net/socket.c:2391
__sys_sendmmsg+0x195/0x470 net/socket.c:2477
__do_sys_sendmmsg net/socket.c:2506 [inline]
__se_sys_sendmmsg net/socket.c:2503 [inline]
__x64_sys_sendmmsg+0x99/0x100 net/socket.c:2503
do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
entry_SYSCALL_64_after_hwframe+0x44/0xae
INITIAL USE at:
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__raw_write_lock_irq include/linux/rwlock_api_smp.h:196 [inline]
_raw_write_lock_irq+0x32/0x50 kernel/locking/spinlock.c:311
fasync_remove_entry+0xb6/0x1f0 fs/fcntl.c:890
fasync_helper+0x9e/0xb0 fs/fcntl.c:993
sock_fasync+0x94/0x140 net/socket.c:1270
__fput+0x712/0x920 fs/file_table.c:277
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x281/0x290 kernel/entry/common.c:209
__syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57
entry_SYSCALL_64_after_hwframe+0x44/0xae
INITIAL READ USE at:
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
_raw_read_lock+0x36/0x70 kernel/locking/spinlock.c:223
kill_fasync_rcu fs/fcntl.c:1012 [inline]
kill_fasync fs/fcntl.c:1033 [inline]
kill_fasync+0x14b/0x460 fs/fcntl.c:1026
sock_wake_async+0xd2/0x160 net/socket.c:1299
sk_wake_async include/net/sock.h:2322 [inline]
sk_wake_async include/net/sock.h:2318 [inline]
tcp_fin+0x72d/0x970 net/ipv4/tcp_input.c:4348
tcp_data_queue+0x20de/0x4b10 net/ipv4/tcp_input.c:4973
tcp_rcv_established+0x841/0x1eb0 net/ipv4/tcp_input.c:5881
tcp_v4_do_rcv+0x5d1/0x870 net/ipv4/tcp_ipv4.c:1694
tcp_v4_rcv+0x3298/0x3950 net/ipv4/tcp_ipv4.c:2077
ip_protocol_deliver_rcu+0x5c/0xa20 net/ipv4/ip_input.c:204
ip_local_deliver_finish+0x20a/0x370 net/ipv4/ip_input.c:231
NF_HOOK include/linux/netfilter.h:301 [inline]
NF_HOOK include/linux/netfilter.h:295 [inline]
ip_local_deliver+0x1b3/0x200 net/ipv4/ip_input.c:252
dst_input include/net/dst.h:458 [inline]
ip_rcv_finish+0x1da/0x2f0 net/ipv4/ip_input.c:429
NF_HOOK include/linux/netfilter.h:301 [inline]
NF_HOOK include/linux/netfilter.h:295 [inline]
ip_rcv+0xaa/0xd0 net/ipv4/ip_input.c:540
__netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5459
__netif_receive_skb+0x27/0x1c0 net/core/dev.c:5573
process_backlog+0x232/0x6c0 net/core/dev.c:6437
__napi_poll+0xaf/0x440 net/core/dev.c:6985
napi_poll net/core/dev.c:7052 [inline]
net_rx_action+0x801/0xb40 net/core/dev.c:7139
__do_softirq+0x29b/0x9f6 kernel/softirq.c:559
do_softirq.part.0+0xd9/0x130 kernel/softirq.c:460
do_softirq kernel/softirq.c:452 [inline]
__local_bh_enable_ip+0x102/0x120 kernel/softirq.c:384
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:746 [inline]
ip_finish_output2+0x88b/0x21f0 net/ipv4/ip_output.c:231
__ip_finish_output net/ipv4/ip_output.c:308 [inline]
__ip_finish_output+0x396/0x640 net/ipv4/ip_output.c:290
ip_finish_output+0x35/0x200 net/ipv4/ip_output.c:318
NF_HOOK_COND include/linux/netfilter.h:290 [inline]
ip_output+0x196/0x310 net/ipv4/ip_output.c:432
dst_output include/net/dst.h:448 [inline]
ip_local_out net/ipv4/ip_output.c:126 [inline]
__ip_queue_xmit+0x905/0x1a20 net/ipv4/ip_output.c:533
__tcp_transmit_skb+0x1883/0x38f0 net/ipv4/tcp_output.c:1405
tcp_transmit_skb net/ipv4/tcp_output.c:1423 [inline]
tcp_write_xmit+0xdee/0x6040 net/ipv4/tcp_output.c:2689
__tcp_push_pending_frames+0xaa/0x390 net/ipv4/tcp_output.c:2873
tcp_send_fin+0x117/0xbb0 net/ipv4/tcp_output.c:3422
__tcp_close+0xaca/0x1170 net/ipv4/tcp.c:2790
tcp_close+0x29/0xc0 net/ipv4/tcp.c:2880
inet_release+0x12e/0x280 net/ipv4/af_inet.c:431
__sock_release+0xcd/0x280 net/socket.c:599
sock_close+0x18/0x20 net/socket.c:1245
__fput+0x288/0x920 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x281/0x290 kernel/entry/common.c:209
__syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57
entry_SYSCALL_64_after_hwframe+0x44/0xae
}
... key at: [<ffffffff907e8940>] __key.0+0x0/0x40
... acquired at:
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
_raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:223
kill_fasync_rcu fs/fcntl.c:1012 [inline]
kill_fasync fs/fcntl.c:1033 [inline]
kill_fasync+0x14b/0x460 fs/fcntl.c:1026
__pass_event drivers/input/evdev.c:240 [inline]
evdev_pass_values.part.0+0x64e/0x970 drivers/input/evdev.c:278
evdev_pass_values drivers/input/evdev.c:253 [inline]
evdev_events+0x28b/0x3f0 drivers/input/evdev.c:306
input_to_handler+0x2a0/0x4c0 drivers/input/input.c:115
input_pass_values.part.0+0x284/0x700 drivers/input/input.c:145
input_pass_values drivers/input/input.c:134 [inline]
input_handle_event+0x373/0x1440 drivers/input/input.c:404
input_inject_event+0x2f5/0x310 drivers/input/input.c:476
evdev_write+0x430/0x760 drivers/input/evdev.c:530
vfs_write+0x28e/0xa30 fs/read_write.c:603
ksys_write+0x1ee/0x250 fs/read_write.c:658
do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
entry_SYSCALL_64_after_hwframe+0x44/0xae
stack backtrace:
CPU: 0 PID: 31496 Comm: syz-executor.0 Not tainted 5.13.0-rc7-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+0x141/0x1d7 lib/dump_stack.c:120
print_bad_irq_dependency kernel/locking/lockdep.c:2464 [inline]
check_irq_usage.cold+0x4d6/0x6c5 kernel/locking/lockdep.c:2693
check_prev_add kernel/locking/lockdep.c:2944 [inline]
check_prevs_add kernel/locking/lockdep.c:3063 [inline]
validate_chain kernel/locking/lockdep.c:3678 [inline]
__lock_acquire+0x2a2f/0x5230 kernel/locking/lockdep.c:4904
lock_acquire kernel/locking/lockdep.c:5514 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5479
__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
_raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:223
kill_fasync_rcu fs/fcntl.c:1012 [inline]
kill_fasync fs/fcntl.c:1033 [inline]
kill_fasync+0x14b/0x460 fs/fcntl.c:1026
__pass_event drivers/input/evdev.c:240 [inline]
evdev_pass_values.part.0+0x64e/0x970 drivers/input/evdev.c:278
evdev_pass_values drivers/input/evdev.c:253 [inline]
evdev_events+0x28b/0x3f0 drivers/input/evdev.c:306
input_to_handler+0x2a0/0x4c0 drivers/input/input.c:115
input_pass_values.part.0+0x284/0x700 drivers/input/input.c:145
input_pass_values drivers/input/input.c:134 [inline]
input_handle_event+0x373/0x1440 drivers/input/input.c:404
input_inject_event+0x2f5/0x310 drivers/input/input.c:476
evdev_write+0x430/0x760 drivers/input/evdev.c:530
vfs_write+0x28e/0xa30 fs/read_write.c:603
ksys_write+0x1ee/0x250 fs/read_write.c:658
do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007feb9375f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000373 RSI: 0000000020000040 RDI: 0000000000000003
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffe2121109f R14: 00007feb9375f300 R15: 0000000000022000