BUG: MAX_LOCKDEP_ENTRIES too low!
turning off the locking correctness validator.
CPU: 3 PID: 16619 Comm: syz-executor.2 Not tainted 5.12.0-rc8-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x141/0x1d7 lib/dump_stack.c:120
 alloc_list_entry kernel/locking/lockdep.c:1353 [inline]
 add_lock_to_list.constprop.0.cold+0x11/0x18 kernel/locking/lockdep.c:1374
 check_prev_add kernel/locking/lockdep.c:3007 [inline]
 check_prevs_add kernel/locking/lockdep.c:3060 [inline]
 validate_chain kernel/locking/lockdep.c:3675 [inline]
 __lock_acquire+0x2f37/0x54c0 kernel/locking/lockdep.c:4901
 lock_acquire kernel/locking/lockdep.c:5511 [inline]
 lock_acquire+0x1ab/0x740 kernel/locking/lockdep.c:5476
 do_write_seqcount_begin_nested include/linux/seqlock.h:520 [inline]
 do_write_seqcount_begin include/linux/seqlock.h:545 [inline]
 vtime_task_switch_generic+0xb5/0x5a0 kernel/sched/cputime.c:768
 vtime_task_switch include/linux/vtime.h:49 [inline]
 finish_task_switch.isra.0+0x4bd/0x810 kernel/sched/core.c:4188
 context_switch kernel/sched/core.c:4325 [inline]
 __schedule+0x919/0x21b0 kernel/sched/core.c:5073
 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:5530
 irqentry_exit_cond_resched kernel/entry/common.c:392 [inline]
 irqentry_exit_cond_resched kernel/entry/common.c:384 [inline]
 irqentry_exit+0x7a/0xa0 kernel/entry/common.c:428
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:kfree+0x131/0x2b0 mm/slab.c:3798
Code: 0e 4c 89 ea 48 89 ee 4c 89 e7 e8 4a f7 ff ff 48 85 db 0f 85 b3 00 00 00 9c 58 f6 c4 02 0f 85 44 01 00 00 48 85 db 74 01 fb 5b <5d> 41 5c 41 5d c3 65 8b 05 1a a7 4b 7e 83 f8 07 0f 87 31 01 00 00
RSP: 0018:ffffc900018f77e8 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000018 RCX: 1ffffffff1f614d2
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88801eb91200 R08: 0000000000000001 R09: ffffffff8fa9f9bf
R10: 0000000000000001 R11: 0000000000084087 R12: ffff888010840300
R13: ffffffff86ce6f51 R14: dffffc0000000000 R15: 0000000000000000
 constrain_params_by_rules+0x8a1/0xbf0 sound/core/pcm_native.c:446
 snd_pcm_hw_refine sound/core/pcm_native.c:517 [inline]
 snd_pcm_hw_refine+0x742/0xa20 sound/core/pcm_native.c:495
 snd_pcm_hw_param_min sound/core/oss/pcm_oss.c:249 [inline]
 snd_pcm_hw_param_near.constprop.0+0x5b9/0x8f0 sound/core/oss/pcm_oss.c:405
 snd_pcm_oss_change_params_locked+0x1922/0x39a0 sound/core/oss/pcm_oss.c:940
 snd_pcm_oss_change_params sound/core/oss/pcm_oss.c:1090 [inline]
 snd_pcm_oss_make_ready+0xe7/0x1b0 sound/core/oss/pcm_oss.c:1149
 snd_pcm_oss_sync+0x2e0/0x800 sound/core/oss/pcm_oss.c:1648
 snd_pcm_oss_release+0x276/0x300 sound/core/oss/pcm_oss.c:2556
 __fput+0x288/0x920 fs/file_table.c:280
 task_work_run+0xdd/0x1a0 kernel/task_work.c:140
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:174 [inline]
 exit_to_user_mode_prepare+0x249/0x250 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665f9
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:00007ff043a86188 EFLAGS: 00000246 ORIG_RAX: 0000000000000124
RAX: 0000000000000003 RBX: 000000000056bf60 RCX: 00000000004665f9
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004
RBP: 00000000004bfce1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007fffe9636e4f R14: 00007ff043a86300 R15: 0000000000022000