syzbot

=====================================================
WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected
6.9.0-rc6-syzkaller-00227-g3d25a941ea50 #0 Not tainted
-----------------------------------------------------
syz-executor374/5083 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
ffff88801e8b60c0 (&new->fa_lock){....}-{2:2}, at: kill_fasync_rcu fs/fcntl.c:1008 [inline]
ffff88801e8b60c0 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x19e/0x4d0 fs/fcntl.c:1029

and this task is already holding:
ffff888029979028 (&client->buffer_lock){....}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
ffff888029979028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values+0xf2/0xad0 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:
 (&dev->event_lock#2){-...}-{2:2}

... which became HARDIRQ-irq-safe at:
  lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
  __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
  _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
  input_event+0x91/0xd0 drivers/input/input.c:434
  input_report_key include/linux/input.h:425 [inline]
  psmouse_report_standard_buttons drivers/input/mouse/psmouse-base.c:128 [inline]
  psmouse_report_standard_packet+0x54/0x200 drivers/input/mouse/psmouse-base.c:146
  psmouse_process_byte+0x48c/0x680 drivers/input/mouse/psmouse-base.c:237
  psmouse_handle_byte+0x49/0x4c0 drivers/input/mouse/psmouse-base.c:279
  ps2_interrupt+0x17c/0x8e0 drivers/input/serio/libps2.c:613
  serio_interrupt+0x90/0x140 drivers/input/serio/serio.c:998
  i8042_interrupt+0x375/0x770 drivers/input/serio/i8042.c:606
  __handle_irq_event_percpu+0x29a/0xa80 kernel/irq/handle.c:158
  handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
  handle_irq_event+0x89/0x1f0 kernel/irq/handle.c:210
  handle_edge_irq+0x25f/0xc20 kernel/irq/chip.c:831
  generic_handle_irq_desc include/linux/irqdesc.h:161 [inline]
  handle_irq arch/x86/kernel/irq.c:238 [inline]
  __common_interrupt+0x138/0x230 arch/x86/kernel/irq.c:257
  common_interrupt+0xa5/0xd0 arch/x86/kernel/irq.c:247
  asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
  account_kernel_stack+0x289/0x3f0 kernel/fork.c:540
  exit_task_stack_account+0x2a/0x340 kernel/fork.c:554
  do_exit+0x1cee/0x27e0 kernel/exit.c:919
  call_usermodehelper_exec_async+0x37a/0x380 kernel/umh.c:123
  ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
  ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

to a HARDIRQ-irq-unsafe lock:
 (tasklist_lock){.+.+}-{2:2}

... which became HARDIRQ-irq-unsafe at:
...
  lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
  __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline]
  _raw_read_lock+0x36/0x50 kernel/locking/spinlock.c:228
  __do_wait+0x12d/0x850 kernel/exit.c:1587
  do_wait+0x1e9/0x560 kernel/exit.c:1631
  kernel_wait+0xe9/0x240 kernel/exit.c:1807
  call_usermodehelper_exec_sync kernel/umh.c:137 [inline]
  call_usermodehelper_exec_work+0xbd/0x230 kernel/umh.c:164
  process_one_work kernel/workqueue.c:3267 [inline]
  process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3348
  worker_thread+0x86d/0xd70 kernel/workqueue.c:3429
  kthread+0x2f0/0x390 kernel/kthread.c:388
  ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
  ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

other info that might help us debug this:

Chain exists of:
  &dev->event_lock#2 --> &client->buffer_lock --> tasklist_lock

 Possible interrupt unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(tasklist_lock);
                               local_irq_disable();
                               lock(&dev->event_lock#2);
                               lock(&client->buffer_lock);
  <Interrupt>
    lock(&dev->event_lock#2);

 *** DEADLOCK ***

7 locks held by syz-executor374/5083:
 #0: ffff8880250bd110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x272/0x7c0 drivers/input/evdev.c:513
 #1: ffff888019f03230 (&dev->event_lock#2){-...}-{2:2}, at: input_inject_event+0xc5/0x340 drivers/input/input.c:460
 #2: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 #2: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
 #2: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: input_inject_event+0xd5/0x340 drivers/input/input.c:462
 #3: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 #3: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
 #3: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: input_pass_values+0x9d/0x1200 drivers/input/input.c:153
 #4: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 #4: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
 #4: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: evdev_events+0x6f/0x300 drivers/input/evdev.c:298
 #5: ffff888029979028 (&client->buffer_lock){....}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #5: ffff888029979028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values+0xf2/0xad0 drivers/input/evdev.c:261
 #6: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 #6: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
 #6: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x55/0x4d0 fs/fcntl.c:1028

the dependencies between HARDIRQ-irq-safe lock and the holding lock:
 -> (&dev->event_lock#2){-...}-{2:2} {
    IN-HARDIRQ-W at:
                      lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
                      __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
                      _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
                      input_event+0x91/0xd0 drivers/input/input.c:434
                      input_report_key include/linux/input.h:425 [inline]
                      psmouse_report_standard_buttons drivers/input/mouse/psmouse-base.c:128 [inline]
                      psmouse_report_standard_packet+0x54/0x200 drivers/input/mouse/psmouse-base.c:146
                      psmouse_process_byte+0x48c/0x680 drivers/input/mouse/psmouse-base.c:237
                      psmouse_handle_byte+0x49/0x4c0 drivers/input/mouse/psmouse-base.c:279
                      ps2_interrupt+0x17c/0x8e0 drivers/input/serio/libps2.c:613
                      serio_interrupt+0x90/0x140 drivers/input/serio/serio.c:998
                      i8042_interrupt+0x375/0x770 drivers/input/serio/i8042.c:606
                      __handle_irq_event_percpu+0x29a/0xa80 kernel/irq/handle.c:158
                      handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
                      handle_irq_event+0x89/0x1f0 kernel/irq/handle.c:210
                      handle_edge_irq+0x25f/0xc20 kernel/irq/chip.c:831
                      generic_handle_irq_desc include/linux/irqdesc.h:161 [inline]
                      handle_irq arch/x86/kernel/irq.c:238 [inline]
                      __common_interrupt+0x138/0x230 arch/x86/kernel/irq.c:257
                      common_interrupt+0xa5/0xd0 arch/x86/kernel/irq.c:247
                      asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
                      account_kernel_stack+0x289/0x3f0 kernel/fork.c:540
                      exit_task_stack_account+0x2a/0x340 kernel/fork.c:554
                      do_exit+0x1cee/0x27e0 kernel/exit.c:919
                      call_usermodehelper_exec_async+0x37a/0x380 kernel/umh.c:123
                      ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
                      ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
    INITIAL USE at:
                     lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
                     __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
                     _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
                     input_inject_event+0xc5/0x340 drivers/input/input.c:460
                     led_trigger_event+0x11c/0x1e0 drivers/leds/led-triggers.c:392
                     kbd_led_trigger_activate+0xbd/0x100 drivers/tty/vt/keyboard.c:1036
                     led_trigger_set+0x541/0x950 drivers/leds/led-triggers.c:198
                     led_match_default_trigger drivers/leds/led-triggers.c:256 [inline]
                     led_trigger_set_default+0x229/0x260 drivers/leds/led-triggers.c:274
                     led_classdev_register_ext+0x773/0x960 drivers/leds/led-class.c:561
                     led_classdev_register include/linux/leds.h:271 [inline]
                     input_leds_connect+0x497/0x640 drivers/input/input-leds.c:145
                     input_attach_handler drivers/input/input.c:1064 [inline]
                     input_register_device+0xcfa/0x1090 drivers/input/input.c:2396
                     atkbd_connect+0x752/0xa00 drivers/input/keyboard/atkbd.c:1342
                     serio_connect_driver drivers/input/serio/serio.c:44 [inline]
                     serio_driver_probe+0x7f/0xa0 drivers/input/serio/serio.c:775
                     really_probe+0x2b8/0xad0 drivers/base/dd.c:656
                     __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:798
                     driver_probe_device+0x50/0x430 drivers/base/dd.c:828
                     __driver_attach+0x45f/0x710 drivers/base/dd.c:1214
                     bus_for_each_dev+0x239/0x2b0 drivers/base/bus.c:368
                     serio_attach_driver drivers/input/serio/serio.c:804 [inline]
                     serio_handle_event+0x1c7/0x920 drivers/input/serio/serio.c:224
                     process_one_work kernel/workqueue.c:3267 [inline]
                     process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3348
                     worker_thread+0x86d/0xd70 kernel/workqueue.c:3429
                     kthread+0x2f0/0x390 kernel/kthread.c:388
                     ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
                     ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
  }
  ... key      at: [<ffffffff94a94760>] input_allocate_device.__key.5+0x0/0x20
-> (&client->buffer_lock){....}-{2:2} {
   INITIAL USE at:
                   lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
                   __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
                   _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
                   spin_lock include/linux/spinlock.h:351 [inline]
                   evdev_pass_values+0xf2/0xad0 drivers/input/evdev.c:261
                   evdev_events+0x1c2/0x300 drivers/input/evdev.c:306
                   input_to_handler drivers/input/input.c:129 [inline]
                   input_pass_values+0x84d/0x1200 drivers/input/input.c:161
                   input_event_dispose+0x36c/0x650 drivers/input/input.c:378
                   input_handle_event+0xa71/0xbe0 drivers/input/input.c:406
                   input_inject_event+0x22f/0x340 drivers/input/input.c:465
                   evdev_write+0x672/0x7c0 drivers/input/evdev.c:530
                   vfs_write+0x2a4/0xcb0 fs/read_write.c:588
                   ksys_write+0x1a0/0x2c0 fs/read_write.c:643
                   do_syscall_x64 arch/x86/entry/common.c:52 [inline]
                   do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
                   entry_SYSCALL_64_after_hwframe+0x77/0x7f
 }
 ... key      at: [<ffffffff94a94a00>] evdev_open.__key.24+0x0/0x20
 ... acquired at:
   lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
   __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
   _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
   spin_lock include/linux/spinlock.h:351 [inline]
   evdev_pass_values+0xf2/0xad0 drivers/input/evdev.c:261
   evdev_events+0x1c2/0x300 drivers/input/evdev.c:306
   input_to_handler drivers/input/input.c:129 [inline]
   input_pass_values+0x84d/0x1200 drivers/input/input.c:161
   input_event_dispose+0x36c/0x650 drivers/input/input.c:378
   input_handle_event+0xa71/0xbe0 drivers/input/input.c:406
   input_inject_event+0x22f/0x340 drivers/input/input.c:465
   evdev_write+0x672/0x7c0 drivers/input/evdev.c:530
   vfs_write+0x2a4/0xcb0 fs/read_write.c:588
   ksys_write+0x1a0/0x2c0 fs/read_write.c:643
   do_syscall_x64 arch/x86/entry/common.c:52 [inline]
   do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
   entry_SYSCALL_64_after_hwframe+0x77/0x7f


the dependencies between the lock to be acquired
 and HARDIRQ-irq-unsafe lock:
  -> (tasklist_lock){.+.+}-{2:2} {
     HARDIRQ-ON-R at:
                        lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
                        __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline]
                        _raw_read_lock+0x36/0x50 kernel/locking/spinlock.c:228
                        __do_wait+0x12d/0x850 kernel/exit.c:1587
                        do_wait+0x1e9/0x560 kernel/exit.c:1631
                        kernel_wait+0xe9/0x240 kernel/exit.c:1807
                        call_usermodehelper_exec_sync kernel/umh.c:137 [inline]
                        call_usermodehelper_exec_work+0xbd/0x230 kernel/umh.c:164
                        process_one_work kernel/workqueue.c:3267 [inline]
                        process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3348
                        worker_thread+0x86d/0xd70 kernel/workqueue.c:3429
                        kthread+0x2f0/0x390 kernel/kthread.c:388
                        ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
                        ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
     SOFTIRQ-ON-R at:
                        lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
                        __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline]
                        _raw_read_lock+0x36/0x50 kernel/locking/spinlock.c:228
                        __do_wait+0x12d/0x850 kernel/exit.c:1587
                        do_wait+0x1e9/0x560 kernel/exit.c:1631
                        kernel_wait+0xe9/0x240 kernel/exit.c:1807
                        call_usermodehelper_exec_sync kernel/umh.c:137 [inline]
                        call_usermodehelper_exec_work+0xbd/0x230 kernel/umh.c:164
                        process_one_work kernel/workqueue.c:3267 [inline]
                        process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3348
                        worker_thread+0x86d/0xd70 kernel/workqueue.c:3429
                        kthread+0x2f0/0x390 kernel/kthread.c:388
                        ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
                        ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
     INITIAL USE at:
                       lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
                       __raw_write_lock_irq include/linux/rwlock_api_smp.h:195 [inline]
                       _raw_write_lock_irq+0xd3/0x120 kernel/locking/spinlock.c:326
                       copy_process+0x228b/0x3df0 kernel/fork.c:2516
                       kernel_clone+0x226/0x8f0 kernel/fork.c:2797
                       user_mode_thread+0x132/0x1a0 kernel/fork.c:2875
                       rest_init+0x23/0x300 init/main.c:704
                       start_kernel+0x47a/0x500 init/main.c:1081
                       x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507
                       x86_64_start_kernel+0x99/0xa0 arch/x86/kernel/head64.c:488
                       common_startup_64+0x13e/0x147
     INITIAL READ USE at:
                            lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
                            __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline]
                            _raw_read_lock+0x36/0x50 kernel/locking/spinlock.c:228
                            __do_wait+0x12d/0x850 kernel/exit.c:1587
                            do_wait+0x1e9/0x560 kernel/exit.c:1631
                            kernel_wait+0xe9/0x240 kernel/exit.c:1807
                            call_usermodehelper_exec_sync kernel/umh.c:137 [inline]
                            call_usermodehelper_exec_work+0xbd/0x230 kernel/umh.c:164
                            process_one_work kernel/workqueue.c:3267 [inline]
                            process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3348
                            worker_thread+0x86d/0xd70 kernel/workqueue.c:3429
                            kthread+0x2f0/0x390 kernel/kthread.c:388
                            ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
                            ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
   }
   ... key      at: [<ffffffff8e00a058>] tasklist_lock+0x18/0x40
   ... acquired at:
   lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
   __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline]
   _raw_read_lock+0x36/0x50 kernel/locking/spinlock.c:228
   send_sigio+0xfc/0x360 fs/fcntl.c:810
   kill_fasync_rcu fs/fcntl.c:1015 [inline]
   kill_fasync+0x23a/0x4d0 fs/fcntl.c:1029
   lease_break_callback+0x26/0x30 fs/locks.c:558
   __break_lease+0x6d5/0x1820 fs/locks.c:1592
   break_lease include/linux/filelock.h:431 [inline]
   do_dentry_open+0x871/0x15a0 fs/open.c:946
   do_open fs/namei.c:3642 [inline]
   path_openat+0x2860/0x3240 fs/namei.c:3799
   do_filp_open+0x235/0x490 fs/namei.c:3826
   do_sys_openat2+0x13e/0x1d0 fs/open.c:1406
   do_sys_open fs/open.c:1421 [inline]
   __do_sys_open fs/open.c:1429 [inline]
   __se_sys_open fs/open.c:1425 [inline]
   __x64_sys_open+0x225/0x270 fs/open.c:1425
   do_syscall_x64 arch/x86/entry/common.c:52 [inline]
   do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
   entry_SYSCALL_64_after_hwframe+0x77/0x7f

 -> (&f->f_owner.lock){....}-{2:2} {
    INITIAL USE at:
                     lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
                     __raw_write_lock_irq include/linux/rwlock_api_smp.h:195 [inline]
                     _raw_write_lock_irq+0xd3/0x120 kernel/locking/spinlock.c:326
                     f_modown+0x38/0x340 fs/fcntl.c:93
                     __f_setown fs/fcntl.c:112 [inline]
                     f_setown_ex fs/fcntl.c:202 [inline]
                     do_fcntl+0x1359/0x16f0 fs/fcntl.c:399
                     __do_sys_fcntl fs/fcntl.c:472 [inline]
                     __se_sys_fcntl+0xd2/0x1b0 fs/fcntl.c:457
                     do_syscall_x64 arch/x86/entry/common.c:52 [inline]
                     do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
                     entry_SYSCALL_64_after_hwframe+0x77/0x7f
    INITIAL READ USE at:
                          lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
                          __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline]
                          _raw_read_lock_irqsave+0xdd/0x130 kernel/locking/spinlock.c:236
                          send_sigio+0x33/0x360 fs/fcntl.c:796
                          kill_fasync_rcu fs/fcntl.c:1015 [inline]
                          kill_fasync+0x23a/0x4d0 fs/fcntl.c:1029
                          lease_break_callback+0x26/0x30 fs/locks.c:558
                          __break_lease+0x6d5/0x1820 fs/locks.c:1592
                          break_lease include/linux/filelock.h:431 [inline]
                          do_dentry_open+0x871/0x15a0 fs/open.c:946
                          do_open fs/namei.c:3642 [inline]
                          path_openat+0x2860/0x3240 fs/namei.c:3799
                          do_filp_open+0x235/0x490 fs/namei.c:3826
                          do_sys_openat2+0x13e/0x1d0 fs/open.c:1406
                          do_sys_open fs/open.c:1421 [inline]
                          __do_sys_open fs/open.c:1429 [inline]
                          __se_sys_open fs/open.c:1425 [inline]
                          __x64_sys_open+0x225/0x270 fs/open.c:1425
                          do_syscall_x64 arch/x86/entry/common.c:52 [inline]
                          do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
                          entry_SYSCALL_64_after_hwframe+0x77/0x7f
  }
  ... key      at: [<ffffffff9479b020>] init_file.__key+0x0/0x20
  ... acquired at:
   lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
   __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline]
   _raw_read_lock_irqsave+0xdd/0x130 kernel/locking/spinlock.c:236
   send_sigio+0x33/0x360 fs/fcntl.c:796
   kill_fasync_rcu fs/fcntl.c:1015 [inline]
   kill_fasync+0x23a/0x4d0 fs/fcntl.c:1029
   lease_break_callback+0x26/0x30 fs/locks.c:558
   __break_lease+0x6d5/0x1820 fs/locks.c:1592
   break_lease include/linux/filelock.h:431 [inline]
   do_dentry_open+0x871/0x15a0 fs/open.c:946
   do_open fs/namei.c:3642 [inline]
   path_openat+0x2860/0x3240 fs/namei.c:3799
   do_filp_open+0x235/0x490 fs/namei.c:3826
   do_sys_openat2+0x13e/0x1d0 fs/open.c:1406
   do_sys_open fs/open.c:1421 [inline]
   __do_sys_open fs/open.c:1429 [inline]
   __se_sys_open fs/open.c:1425 [inline]
   __x64_sys_open+0x225/0x270 fs/open.c:1425
   do_syscall_x64 arch/x86/entry/common.c:52 [inline]
   do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
   entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> (&new->fa_lock){....}-{2:2} {
   INITIAL READ USE at:
                        lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
                        __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline]
                        _raw_read_lock_irqsave+0xdd/0x130 kernel/locking/spinlock.c:236
                        kill_fasync_rcu fs/fcntl.c:1008 [inline]
                        kill_fasync+0x19e/0x4d0 fs/fcntl.c:1029
                        lease_break_callback+0x26/0x30 fs/locks.c:558
                        __break_lease+0x6d5/0x1820 fs/locks.c:1592
                        break_lease include/linux/filelock.h:431 [inline]
                        do_dentry_open+0x871/0x15a0 fs/open.c:946
                        do_open fs/namei.c:3642 [inline]
                        path_openat+0x2860/0x3240 fs/namei.c:3799
                        do_filp_open+0x235/0x490 fs/namei.c:3826
                        do_sys_openat2+0x13e/0x1d0 fs/open.c:1406
                        do_sys_open fs/open.c:1421 [inline]
                        __do_sys_open fs/open.c:1429 [inline]
                        __se_sys_open fs/open.c:1425 [inline]
                        __x64_sys_open+0x225/0x270 fs/open.c:1425
                        do_syscall_x64 arch/x86/entry/common.c:52 [inline]
                        do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
                        entry_SYSCALL_64_after_hwframe+0x77/0x7f
 }
 ... key      at: [<ffffffff9479bc80>] fasync_insert_entry.__key+0x0/0x20
 ... acquired at:
   lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
   __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline]
   _raw_read_lock_irqsave+0xdd/0x130 kernel/locking/spinlock.c:236
   kill_fasync_rcu fs/fcntl.c:1008 [inline]
   kill_fasync+0x19e/0x4d0 fs/fcntl.c:1029
   __pass_event drivers/input/evdev.c:240 [inline]
   evdev_pass_values+0x58a/0xad0 drivers/input/evdev.c:278
   evdev_events+0x1c2/0x300 drivers/input/evdev.c:306
   input_to_handler drivers/input/input.c:129 [inline]
   input_pass_values+0x84d/0x1200 drivers/input/input.c:161
   input_event_dispose+0x36c/0x650 drivers/input/input.c:378
   input_handle_event+0xa71/0xbe0 drivers/input/input.c:406
   input_inject_event+0x22f/0x340 drivers/input/input.c:465
   evdev_write+0x672/0x7c0 drivers/input/evdev.c:530
   vfs_write+0x2a4/0xcb0 fs/read_write.c:588
   ksys_write+0x1a0/0x2c0 fs/read_write.c:643
   do_syscall_x64 arch/x86/entry/common.c:52 [inline]
   do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
   entry_SYSCALL_64_after_hwframe+0x77/0x7f


stack backtrace:
CPU: 0 PID: 5083 Comm: syz-executor374 Not tainted 6.9.0-rc6-syzkaller-00227-g3d25a941ea50 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
 print_bad_irq_dependency kernel/locking/lockdep.c:2626 [inline]
 check_irq_usage kernel/locking/lockdep.c:2865 [inline]
 check_prev_add kernel/locking/lockdep.c:3138 [inline]
 check_prevs_add kernel/locking/lockdep.c:3253 [inline]
 validate_chain+0x4dc7/0x58e0 kernel/locking/lockdep.c:3869
 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline]
 _raw_read_lock_irqsave+0xdd/0x130 kernel/locking/spinlock.c:236
 kill_fasync_rcu fs/fcntl.c:1008 [inline]
 kill_fasync+0x19e/0x4d0 fs/fcntl.c:1029
 __pass_event drivers/input/evdev.c:240 [inline]
 evdev_pass_values+0x58a/0xad0 drivers/input/evdev.c:278
 evdev_events+0x1c2/0x300 drivers/input/evdev.c:306
 input_to_handler drivers/input/input.c:129 [inline]
 input_pass_values+0x84d/0x1200 drivers/input/input.c:161
 input_event_dispose+0x36c/0x650 drivers/input/input.c:378
 input_handle_event+0xa71/0xbe0 drivers/input/input.c:406
 input_inject_event+0x22f/0x340 drivers/input/input.c:465
 evdev_write+0x672/0x7c0 drivers/input/evdev.c:530
 vfs_write+0x2a4/0xcb0 fs/read_write.c:588
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd123599b39
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd12352f228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fd123621418 RCX: 00007fd123599b39
RDX: 0000000000002250 RSI: 0000000020000040 RDI: 0000000000000006
RBP: 00007fd123621410 R08: 00007fd12352f6c0 R09: 00007fd12352f6c0
R10: