=====================================================
WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected
5.15.0-rc3-syzkaller #0 Not tainted
-----------------------------------------------------
syz-executor.1/466 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
ffff888075ba7750 (&new->fa_lock){...-}-{2:2}, at: kill_fasync_rcu fs/fcntl.c:1014 [inline]
ffff888075ba7750 (&new->fa_lock){...-}-{2:2}, at: kill_fasync fs/fcntl.c:1035 [inline]
ffff888075ba7750 (&new->fa_lock){...-}-{2:2}, at: kill_fasync+0x136/0x470 fs/fcntl.c:1028

and this task is already holding:
ffff88802476a948 (&timer->lock){..-.}-{2:2}, at: snd_timer_start1+0x5a/0x800 sound/core/timer.c:541
which would create a new lock dependency:
 (&timer->lock){..-.}-{2:2} -> (&new->fa_lock){...-}-{2:2}

but this new dependency connects a SOFTIRQ-irq-safe lock:
 (&timer->lock){..-.}-{2:2}

... which became SOFTIRQ-irq-safe at:
  lock_acquire kernel/locking/lockdep.c:5625 [inline]
  lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
  __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
  _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
  snd_timer_interrupt.part.0+0x34/0xcf0 sound/core/timer.c:857
  snd_timer_interrupt sound/core/timer.c:1155 [inline]
  snd_timer_s_function+0x14b/0x200 sound/core/timer.c:1155
  call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
  expire_timers kernel/time/timer.c:1466 [inline]
  __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
  __run_timers kernel/time/timer.c:1715 [inline]
  run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
  __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
  invoke_softirq kernel/softirq.c:432 [inline]
  __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636
  irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
  sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
  asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
  __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
  _raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
  __mod_timer+0x837/0xe30 kernel/time/timer.c:1065
  sk_reset_timer+0x1f/0xc0 net/core/sock.c:3098
  tcp_set_keepalive net/ipv4/tcp_timer.c:666 [inline]
  tcp_set_keepalive+0x141/0x1d0 net/ipv4/tcp_timer.c:660
  sock_set_keepalive+0x66/0xa0 net/core/sock.c:899
  rds_tcp_keepalive net/rds/tcp_listen.c:47 [inline]
  rds_tcp_accept_one+0x276/0xca0 net/rds/tcp_listen.c:135
  rds_tcp_accept_worker+0x55/0x80 net/rds/tcp.c:515
  process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297
  worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
  kthread+0x3e5/0x4d0 kernel/kthread.c:319
  ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

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

... which became SOFTIRQ-irq-unsafe at:
...
  lock_acquire kernel/locking/lockdep.c:5625 [inline]
  lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
  __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
  _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:228
  do_wait+0x284/0xce0 kernel/exit.c:1504
  kernel_wait+0x9c/0x150 kernel/exit.c:1694
  call_usermodehelper_exec_sync kernel/umh.c:139 [inline]
  call_usermodehelper_exec_work+0xf5/0x180 kernel/umh.c:166
  process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297
  worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
  kthread+0x3e5/0x4d0 kernel/kthread.c:319
  ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

other info that might help us debug this:

Chain exists of:
  &timer->lock --> &new->fa_lock --> tasklist_lock

 Possible interrupt unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(tasklist_lock);
                               local_irq_disable();
                               lock(&timer->lock);
                               lock(&new->fa_lock);
  <Interrupt>
    lock(&timer->lock);

 *** DEADLOCK ***

3 locks held by syz-executor.1/466:
 #0: ffff88801d8c0168 (&tu->ioctl_lock){+.+.}-{3:3}, at: snd_timer_user_ioctl+0x4c/0xb0 sound/core/timer.c:2128
 #1: ffff88802476a948 (&timer->lock){..-.}-{2:2}, at: snd_timer_start1+0x5a/0x800 sound/core/timer.c:541
 #2: ffffffff8b97fe20 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x41/0x470 fs/fcntl.c:1033

the dependencies between SOFTIRQ-irq-safe lock and the holding lock:
-> (&timer->lock){..-.}-{2:2} {
   IN-SOFTIRQ-W at:
                    lock_acquire kernel/locking/lockdep.c:5625 [inline]
                    lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
                    __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
                    _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
                    snd_timer_interrupt.part.0+0x34/0xcf0 sound/core/timer.c:857
                    snd_timer_interrupt sound/core/timer.c:1155 [inline]
                    snd_timer_s_function+0x14b/0x200 sound/core/timer.c:1155
                    call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
                    expire_timers kernel/time/timer.c:1466 [inline]
                    __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
                    __run_timers kernel/time/timer.c:1715 [inline]
                    run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
                    __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
                    invoke_softirq kernel/softirq.c:432 [inline]
                    __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636
                    irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
                    sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
                    asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
                    __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
                    _raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
                    __mod_timer+0x837/0xe30 kernel/time/timer.c:1065
                    sk_reset_timer+0x1f/0xc0 net/core/sock.c:3098
                    tcp_set_keepalive net/ipv4/tcp_timer.c:666 [inline]
                    tcp_set_keepalive+0x141/0x1d0 net/ipv4/tcp_timer.c:660
                    sock_set_keepalive+0x66/0xa0 net/core/sock.c:899
                    rds_tcp_keepalive net/rds/tcp_listen.c:47 [inline]
                    rds_tcp_accept_one+0x276/0xca0 net/rds/tcp_listen.c:135
                    rds_tcp_accept_worker+0x55/0x80 net/rds/tcp.c:515
                    process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297
                    worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
                    kthread+0x3e5/0x4d0 kernel/kthread.c:319
                    ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
   INITIAL USE at:
                   lock_acquire kernel/locking/lockdep.c:5625 [inline]
                   lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
                   __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
                   _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
                   snd_timer_stop1+0x5a/0x890 sound/core/timer.c:626
                   snd_timer_stop sound/core/timer.c:711 [inline]
                   snd_timer_user_start.isra.0+0x8b/0x260 sound/core/timer.c:1982
                   __snd_timer_user_ioctl.isra.0+0xda8/0x24c0 sound/core/timer.c:2108
                   snd_timer_user_ioctl+0x77/0xb0 sound/core/timer.c:2129
                   vfs_ioctl fs/ioctl.c:51 [inline]
                   __do_sys_ioctl fs/ioctl.c:874 [inline]
                   __se_sys_ioctl fs/ioctl.c:860 [inline]
                   __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
                   do_syscall_x64 arch/x86/entry/common.c:50 [inline]
                   do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
                   entry_SYSCALL_64_after_hwframe+0x44/0xae
 }
 ... key      at: [<ffffffff905b4cc0>] __key.12+0x0/0x40

the dependencies between the lock to be acquired
 and SOFTIRQ-irq-unsafe lock:
  -> (tasklist_lock){.+.+}-{2:2} {
     HARDIRQ-ON-R at:
                        lock_acquire kernel/locking/lockdep.c:5625 [inline]
                        lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
                        __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
                        _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:228
                        do_wait+0x284/0xce0 kernel/exit.c:1504
                        kernel_wait+0x9c/0x150 kernel/exit.c:1694
                        call_usermodehelper_exec_sync kernel/umh.c:139 [inline]
                        call_usermodehelper_exec_work+0xf5/0x180 kernel/umh.c:166
                        process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297
                        worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
                        kthread+0x3e5/0x4d0 kernel/kthread.c:319
                        ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
     SOFTIRQ-ON-R at:
                        lock_acquire kernel/locking/lockdep.c:5625 [inline]
                        lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
                        __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
                        _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:228
                        do_wait+0x284/0xce0 kernel/exit.c:1504
                        kernel_wait+0x9c/0x150 kernel/exit.c:1694
                        call_usermodehelper_exec_sync kernel/umh.c:139 [inline]
                        call_usermodehelper_exec_work+0xf5/0x180 kernel/umh.c:166
                        process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297
                        worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
                        kthread+0x3e5/0x4d0 kernel/kthread.c:319
                        ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
     INITIAL USE at:
                       lock_acquire kernel/locking/lockdep.c:5625 [inline]
                       lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
                       __raw_write_lock_irq include/linux/rwlock_api_smp.h:196 [inline]
                       _raw_write_lock_irq+0x32/0x50 kernel/locking/spinlock.c:316
                       copy_process+0x36c0/0x7580 kernel/fork.c:2313
                       kernel_clone+0xe7/0xac0 kernel/fork.c:2584
                       kernel_thread+0xb5/0xf0 kernel/fork.c:2636
                       rest_init+0x23/0x3e0 init/main.c:698
                       start_kernel+0x47a/0x49b init/main.c:1141
                       secondary_startup_64_no_verify+0xb0/0xbb
     INITIAL READ USE at:
                            lock_acquire kernel/locking/lockdep.c:5625 [inline]
                            lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
                            __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
                            _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:228
                            do_wait+0x284/0xce0 kernel/exit.c:1504
                            kernel_wait+0x9c/0x150 kernel/exit.c:1694
                            call_usermodehelper_exec_sync kernel/umh.c:139 [inline]
                            call_usermodehelper_exec_work+0xf5/0x180 kernel/umh.c:166
                            process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297
                            worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
                            kthread+0x3e5/0x4d0 kernel/kthread.c:319
                            ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
   }
   ... key      at: [<ffffffff8b60a098>] tasklist_lock+0x18/0x40
   ... acquired at:
   __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline]
   _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:228
   send_sigio+0xab/0x370 fs/fcntl.c:810
   kill_fasync_rcu fs/fcntl.c:1021 [inline]
   kill_fasync fs/fcntl.c:1035 [inline]
   kill_fasync+0x1f8/0x470 fs/fcntl.c:1028
   __receive_buf drivers/tty/n_tty.c:1591 [inline]
   n_tty_receive_buf_common+0x12d7/0x4780 drivers/tty/n_tty.c:1674
   tty_ldisc_receive_buf+0xa3/0x190 drivers/tty/tty_buffer.c:471
   paste_selection+0x1de/0x4c0 drivers/tty/vt/selection.c:408
   tioclinux+0x126/0x560 drivers/tty/vt/vt.c:3204
   vt_ioctl+0x229c/0x2b10 drivers/tty/vt/vt_ioctl.c:762
   tty_ioctl+0xbbd/0x1670 drivers/tty/tty_io.c:2805
   vfs_ioctl fs/ioctl.c:51 [inline]
   __do_sys_ioctl fs/ioctl.c:874 [inline]
   __se_sys_ioctl fs/ioctl.c:860 [inline]
   __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
   do_syscall_x64 arch/x86/entry/common.c:50 [inline]
   do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
   entry_SYSCALL_64_after_hwframe+0x44/0xae

 -> (&f->f_owner.lock){...-}-{2:2} {
    IN-SOFTIRQ-R at:
                      lock_acquire kernel/locking/lockdep.c:5625 [inline]
                      lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
                      __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline]
                      _raw_read_lock_irqsave+0x45/0x90 kernel/locking/spinlock.c:236
                      send_sigurg+0x1e/0xae0 fs/fcntl.c:835
                      sk_send_sigurg+0x76/0x310 net/core/sock.c:3090
                      tcp_check_urg.isra.0+0x1f3/0x710 net/ipv4/tcp_input.c:5550
                      tcp_urg net/ipv4/tcp_input.c:5591 [inline]
                      tcp_rcv_established+0x12ab/0x2130 net/ipv4/tcp_input.c:5925
                      tcp_v4_do_rcv+0x5d4/0x880 net/ipv4/tcp_ipv4.c:1694
                      tcp_v4_rcv+0x2815/0x30e0 net/ipv4/tcp_ipv4.c:2087
                      ip_protocol_deliver_rcu+0xa7/0xee0 net/ipv4/ip_input.c:204
                      ip_local_deliver_finish+0x20a/0x370 net/ipv4/ip_input.c:231
                      NF_HOOK include/linux/netfilter.h:307 [inline]
                      NF_HOOK include/linux/netfilter.h:301 [inline]
                      ip_local_deliver+0x1b3/0x200 net/ipv4/ip_input.c:252
                      dst_input include/net/dst.h:460 [inline]
                      ip_rcv_finish+0x1da/0x2f0 net/ipv4/ip_input.c:429
                      NF_HOOK include/linux/netfilter.h:307 [inline]
                      NF_HOOK include/linux/netfilter.h:301 [inline]
                      ip_rcv+0xaa/0xd0 net/ipv4/ip_input.c:540
                      __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5436
                      __netif_receive_skb+0x24/0x1b0 net/core/dev.c:5550
                      process_backlog+0x2a5/0x6c0 net/core/dev.c:6427
                      __napi_poll+0xaf/0x440 net/core/dev.c:6986
                      napi_poll net/core/dev.c:7053 [inline]
                      net_rx_action+0x801/0xb40 net/core/dev.c:7140
                      __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
                      run_ksoftirqd kernel/softirq.c:920 [inline]
                      run_ksoftirqd+0x2d/0x60 kernel/softirq.c:912
                      smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164
                      kthread+0x3e5/0x4d0 kernel/kthread.c:319
                      ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
    INITIAL USE at:
                     lock_acquire kernel/locking/lockdep.c:5625 [inline]
                     lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
                     __raw_write_lock_irq include/linux/rwlock_api_smp.h:196 [inline]
                     _raw_write_lock_irq+0x32/0x50 kernel/locking/spinlock.c:316
                     f_modown+0x2a/0x390 fs/fcntl.c:91
                     generic_add_lease fs/locks.c:1845 [inline]
                     generic_setlease+0x11c0/0x1a60 fs/locks.c:1924
                     vfs_setlease+0xfd/0x120 fs/locks.c:2014
                     do_fcntl_add_lease fs/locks.c:2035 [inline]
                     fcntl_setlease+0x134/0x2c0 fs/locks.c:2057
                     do_fcntl+0x2b6/0x1210 fs/fcntl.c:419
                     __do_sys_fcntl fs/fcntl.c:472 [inline]
                     __se_sys_fcntl fs/fcntl.c:457 [inline]
                     __x64_sys_fcntl+0x165/0x1e0 fs/fcntl.c:457
                     do_syscall_x64 arch/x86/entry/common.c:50 [inline]
                     do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
                     entry_SYSCALL_64_after_hwframe+0x44/0xae
    INITIAL READ USE at:
                          lock_acquire kernel/locking/lockdep.c:5625 [inline]
                          lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
                          __raw_read_lock_irq include/linux/rwlock_api_smp.h:169 [inline]
                          _raw_read_lock_irq+0x63/0x80 kernel/locking/spinlock.c:244
                          f_getown+0x23/0x2a0 fs/fcntl.c:154
                          do_fcntl+0xbd8/0x1210 fs/fcntl.c:389
                          __do_sys_fcntl fs/fcntl.c:472 [inline]
                          __se_sys_fcntl fs/fcntl.c:457 [inline]
                          __x64_sys_fcntl+0x165/0x1e0 fs/fcntl.c:457
                          do_syscall_x64 arch/x86/entry/common.c:50 [inline]
                          do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
                          entry_SYSCALL_64_after_hwframe+0x44/0xae
  }
  ... key      at: [<ffffffff902b65a0>] __key.5+0x0/0x40
  ... acquired at:
   __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline]
   _raw_read_lock_irqsave+0x70/0x90 kernel/locking/spinlock.c:236
   send_sigio+0x24/0x370 fs/fcntl.c:796
   kill_fasync_rcu fs/fcntl.c:1021 [inline]
   kill_fasync fs/fcntl.c:1035 [inline]
   kill_fasync+0x1f8/0x470 fs/fcntl.c:1028
   lease_break_callback+0x1f/0x30 fs/locks.c:585
   __break_lease+0x3d9/0x1420 fs/locks.c:1560
   break_lease include/linux/fs.h:2633 [inline]
   break_lease include/linux/fs.h:2623 [inline]
   do_dentry_open+0x453/0x11d0 fs/open.c:813
   do_open fs/namei.c:3428 [inline]
   path_openat+0x1c9a/0x2740 fs/namei.c:3561
   do_filp_open+0x1aa/0x400 fs/namei.c:3588
   do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
   do_sys_open fs/open.c:1216 [inline]
   __do_sys_open fs/open.c:1224 [inline]
   __se_sys_open fs/open.c:1220 [inline]
   __x64_sys_open+0x119/0x1c0 fs/open.c:1220
   do_syscall_x64 arch/x86/entry/common.c:50 [inline]
   do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
   entry_SYSCALL_64_after_hwframe+0x44/0xae

-> (&new->fa_lock){...-}-{2:2} {
   IN-SOFTIRQ-R at:
                    lock_acquire kernel/locking/lockdep.c:5625 [inline]
                    lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
                    __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline]
                    _raw_read_lock_irqsave+0x45/0x90 kernel/locking/spinlock.c:236
                    kill_fasync_rcu fs/fcntl.c:1014 [inline]
                    kill_fasync fs/fcntl.c:1035 [inline]
                    kill_fasync+0x136/0x470 fs/fcntl.c:1028
                    sock_wake_async+0xf1/0x160 net/socket.c:1371
                    sk_wake_async include/net/sock.h:2367 [inline]
                    sk_wake_async include/net/sock.h:2363 [inline]
                    sk_send_sigurg net/core/sock.c:3091 [inline]
                    sk_send_sigurg+0x17c/0x310 net/core/sock.c:3087
                    tcp_check_urg.isra.0+0x1f3/0x710 net/ipv4/tcp_input.c:5550
                    tcp_urg net/ipv4/tcp_input.c:5591 [inline]
                    tcp_rcv_established+0x12ab/0x2130 net/ipv4/tcp_input.c:5925
                    tcp_v4_do_rcv+0x5d4/0x880 net/ipv4/tcp_ipv4.c:1694
                    tcp_v4_rcv+0x2815/0x30e0 net/ipv4/tcp_ipv4.c:2087
                    ip_protocol_deliver_rcu+0xa7/0xee0 net/ipv4/ip_input.c:204
                    ip_local_deliver_finish+0x20a/0x370 net/ipv4/ip_input.c:231
                    NF_HOOK include/linux/netfilter.h:307 [inline]
                    NF_HOOK include/linux/netfilter.h:301 [inline]
                    ip_local_deliver+0x1b3/0x200 net/ipv4/ip_input.c:252
                    dst_input include/net/dst.h:460 [inline]
                    ip_rcv_finish+0x1da/0x2f0 net/ipv4/ip_input.c:429
                    NF_HOOK include/linux/netfilter.h:307 [inline]
                    NF_HOOK include/linux/netfilter.h:301 [inline]
                    ip_rcv+0xaa/0xd0 net/ipv4/ip_input.c:540
                    __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5436
                    __netif_receive_skb+0x24/0x1b0 net/core/dev.c:5550
                    process_backlog+0x2a5/0x6c0 net/core/dev.c:6427
                    __napi_poll+0xaf/0x440 net/core/dev.c:6986
                    napi_poll net/core/dev.c:7053 [inline]
                    net_rx_action+0x801/0xb40 net/core/dev.c:7140
                    __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
                    run_ksoftirqd kernel/softirq.c:920 [inline]
                    run_ksoftirqd+0x2d/0x60 kernel/softirq.c:912
                    smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164
                    kthread+0x3e5/0x4d0 kernel/kthread.c:319
                    ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
   INITIAL USE at:
                   lock_acquire kernel/locking/lockdep.c:5625 [inline]
                   lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
                   __raw_write_lock_irq include/linux/rwlock_api_smp.h:196 [inline]
                   _raw_write_lock_irq+0x32/0x50 kernel/locking/spinlock.c:316
                   fasync_remove_entry+0xb6/0x1f0 fs/fcntl.c:891
                   fasync_helper+0x9e/0xb0 fs/fcntl.c:994
                   sock_fasync+0x94/0x140 net/socket.c:1339
                   __fput+0x848/0x9f0 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+0x27e/0x290 kernel/entry/common.c:207
                   __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
                   syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
                   do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
                   entry_SYSCALL_64_after_hwframe+0x44/0xae
   INITIAL READ USE at:
                        lock_acquire kernel/locking/lockdep.c:5625 [inline]
                        lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
                        __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline]
                        _raw_read_lock_irqsave+0x70/0x90 kernel/locking/spinlock.c:236
                        kill_fasync_rcu fs/fcntl.c:1014 [inline]
                        kill_fasync fs/fcntl.c:1035 [inline]
                        kill_fasync+0x136/0x470 fs/fcntl.c:1028
                        lease_break_callback+0x1f/0x30 fs/locks.c:585
                        __break_lease+0x3d9/0x1420 fs/locks.c:1560
                        break_lease include/linux/fs.h:2633 [inline]
                        break_lease include/linux/fs.h:2623 [inline]
                        do_dentry_open+0x453/0x11d0 fs/open.c:813
                        do_open fs/namei.c:3428 [inline]
                        path_openat+0x1c9a/0x2740 fs/namei.c:3561
                        do_filp_open+0x1aa/0x400 fs/namei.c:3588
                        do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
                        do_sys_open fs/open.c:1216 [inline]
                        __do_sys_open fs/open.c:1224 [inline]
                        __se_sys_open fs/open.c:1220 [inline]
                        __x64_sys_open+0x119/0x1c0 fs/open.c:1220
                        do_syscall_x64 arch/x86/entry/common.c:50 [inline]
                        do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
                        entry_SYSCALL_64_after_hwframe+0x44/0xae
 }
 ... key      at: [<ffffffff902b7380>] __key.0+0x0/0x40
 ... acquired at:
   lock_acquire kernel/locking/lockdep.c:5625 [inline]
   lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
   __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline]
   _raw_read_lock_irqsave+0x70/0x90 kernel/locking/spinlock.c:236
   kill_fasync_rcu fs/fcntl.c:1014 [inline]
   kill_fasync fs/fcntl.c:1035 [inline]
   kill_fasync+0x136/0x470 fs/fcntl.c:1028
   snd_timer_user_ccallback+0x298/0x330 sound/core/timer.c:1387
   snd_timer_notify1+0x11c/0x3b0 sound/core/timer.c:516
   snd_timer_start1+0x4d4/0x800 sound/core/timer.c:578
   snd_timer_start sound/core/timer.c:697 [inline]
   snd_timer_start sound/core/timer.c:690 [inline]
   snd_timer_user_start.isra.0+0x1e3/0x260 sound/core/timer.c:1985
   __snd_timer_user_ioctl.isra.0+0xda8/0x24c0 sound/core/timer.c:2108
   snd_timer_user_ioctl+0x77/0xb0 sound/core/timer.c:2129
   vfs_ioctl fs/ioctl.c:51 [inline]
   __do_sys_ioctl fs/ioctl.c:874 [inline]
   __se_sys_ioctl fs/ioctl.c:860 [inline]
   __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
   do_syscall_x64 arch/x86/entry/common.c:50 [inline]
   do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
   entry_SYSCALL_64_after_hwframe+0x44/0xae


stack backtrace:
CPU: 0 PID: 466 Comm: syz-executor.1 Not tainted 5.15.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_bad_irq_dependency kernel/locking/lockdep.c:2565 [inline]
 check_irq_usage.cold+0x4c1/0x6b0 kernel/locking/lockdep.c:2804
 check_prev_add kernel/locking/lockdep.c:3055 [inline]
 check_prevs_add kernel/locking/lockdep.c:3174 [inline]
 validate_chain kernel/locking/lockdep.c:3789 [inline]
 __lock_acquire+0x2a1f/0x54a0 kernel/locking/lockdep.c:5015
 lock_acquire kernel/locking/lockdep.c:5625 [inline]
 lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline]
 _raw_read_lock_irqsave+0x70/0x90 kernel/locking/spinlock.c:236
 kill_fasync_rcu fs/fcntl.c:1014 [inline]
 kill_fasync fs/fcntl.c:1035 [inline]
 kill_fasync+0x136/0x470 fs/fcntl.c:1028
 snd_timer_user_ccallback+0x298/0x330 sound/core/timer.c:1387
 snd_timer_notify1+0x11c/0x3b0 sound/core/timer.c:516
 snd_timer_start1+0x4d4/0x800 sound/core/timer.c:578
 snd_timer_start sound/core/timer.c:697 [inline]
 snd_timer_start sound/core/timer.c:690 [inline]
 snd_timer_user_start.isra.0+0x1e3/0x260 sound/core/timer.c:1985
 __snd_timer_user_ioctl.isra.0+0xda8/0x24c0 sound/core/timer.c:2108
 snd_timer_user_ioctl+0x77/0xb0 sound/core/timer.c:2129
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe62cee68d9
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:00007fe62a45d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe62cfeaf60 RCX: 00007fe62cee68d9
RDX: 0000000000000000 RSI: 00000000000054a0 RDI: 0000000000000003
RBP: 00007fe62cf40cb4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2f31111f R14: 00007fe62a45d300 R15: 0000000000022000