BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 12957 Comm: syz-executor.4 Not tainted 5.15.0-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:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 add_chain_cache kernel/locking/lockdep.c:3637 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3736 [inline]
 validate_chain kernel/locking/lockdep.c:3757 [inline]
 __lock_acquire.cold+0x372/0x3ab kernel/locking/lockdep.c:5015
 lock_acquire kernel/locking/lockdep.c:5625 [inline]
 lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
 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:95 [inline]
 finish_task_switch.isra.0+0x6cf/0xb80 kernel/sched/core.c:4808
 context_switch kernel/sched/core.c:4943 [inline]
 __schedule+0xb4c/0x5960 kernel/sched/core.c:6287
 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:6687
 irqentry_exit+0x31/0x80 kernel/entry/common.c:425
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5593
Code: b2 a5 7e 83 f8 01 0f 85 b4 02 00 00 9c 58 f6 c4 02 0f 85 9f 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc9000328f760 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000651eee RCX: 37b843d7c96579f8
RDX: 1ffff1100548f4d3 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8fd019e7
R10: fffffbfff1fa033c R11: 0000000000086089 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8b981b20 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:267 [inline]
 rcu_read_lock include/linux/rcupdate.h:687 [inline]
 is_bpf_text_address+0x36/0x170 kernel/bpf/core.c:707
 kernel_text_address kernel/extable.c:151 [inline]
 kernel_text_address+0xbd/0xf0 kernel/extable.c:120
 __kernel_text_address+0x9/0x30 kernel/extable.c:105
 unwind_get_return_address arch/x86/kernel/unwind_orc.c:318 [inline]
 unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:313
 arch_stack_walk+0x93/0xe0 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121
 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38
 kasan_set_track+0x1c/0x30 mm/kasan/common.c:46
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:360
 ____kasan_slab_free mm/kasan/common.c:366 [inline]
 ____kasan_slab_free mm/kasan/common.c:328 [inline]
 __kasan_slab_free+0xff/0x130 mm/kasan/common.c:374
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1700 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1726
 slab_free mm/slub.c:3492 [inline]
 kfree+0xf3/0x550 mm/slub.c:4552
 assoc_array_delete+0x29d/0xce0 lib/assoc_array.c:1120
 __key_unlink_begin security/keys/keyring.c:1491 [inline]
 key_unlink+0xba/0x320 security/keys/keyring.c:1557
 keyctl_keyring_unlink+0xdd/0x1a0 security/keys/keyctl.c:576
 __do_sys_keyctl+0x211/0x500 security/keys/keyctl.c:1901
 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: 0033:0x7f52c5594ae9
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:00007f52c2b0a188 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa
RAX: ffffffffffffffda RBX: 00007f52c56a7f60 RCX: 00007f52c5594ae9
RDX: fffffffffffffffb RSI: 000000001ffd9045 RDI: 0000000000000009
RBP: 00007f52c55eef25 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeee0e51ff R14: 00007f52c2b0a300 R15: 0000000000022000
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
----------------
Code disassembly (best guess):
   0:	b2 a5                	mov    $0xa5,%dl
   2:	7e 83                	jle    0xffffff87
   4:	f8                   	clc
   5:	01 0f                	add    %ecx,(%rdi)
   7:	85 b4 02 00 00 9c 58 	test   %esi,0x589c0000(%rdx,%rax,1)
   e:	f6 c4 02             	test   $0x2,%ah
  11:	0f 85 9f 02 00 00    	jne    0x2b6
  17:	48 83 7c 24 08 00    	cmpq   $0x0,0x8(%rsp)
  1d:	74 01                	je     0x20
  1f:	fb                   	sti
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df
* 2a:	48 01 c3             	add    %rax,%rbx <-- trapping instruction
  2d:	48 c7 03 00 00 00 00 	movq   $0x0,(%rbx)
  34:	48 c7 43 08 00 00 00 	movq   $0x0,0x8(%rbx)
  3b:	00
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	84                   	.byte 0x84
  3f:	24                   	.byte 0x24