BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 27352 Comm: syz-executor.2 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
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
 lock_hrtimer_base kernel/time/hrtimer.c:173 [inline]
 __hrtimer_get_remaining+0x6a/0x1d0 kernel/time/hrtimer.c:1462
 hrtimer_get_remaining include/linux/hrtimer.h:452 [inline]
 perf_swevent_cancel_hrtimer kernel/events/core.c:10603 [inline]
 perf_swevent_cancel_hrtimer kernel/events/core.c:10598 [inline]
 cpu_clock_event_stop kernel/events/core.c:10657 [inline]
 cpu_clock_event_del+0xa3/0x100 kernel/events/core.c:10672
 event_sched_out+0x35d/0xf60 kernel/events/core.c:2285
 group_sched_out.part.0+0x116/0x380 kernel/events/core.c:2319
 group_sched_out kernel/events/core.c:2314 [inline]
 ctx_sched_out+0x92b/0xca0 kernel/events/core.c:3289
 task_ctx_sched_out kernel/events/core.c:2687 [inline]
 perf_event_context_sched_out kernel/events/core.c:3494 [inline]
 __perf_event_task_sched_out+0x883/0x1cd0 kernel/events/core.c:3597
 perf_event_task_sched_out include/linux/perf_event.h:1231 [inline]
 prepare_task_switch kernel/sched/core.c:4744 [inline]
 context_switch kernel/sched/core.c:4892 [inline]
 __schedule+0x18cc/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:ffffc9000dedf820 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92001bdbf06 RCX: ffffffff815bf48f
RDX: 1ffff110035b24d3 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8fd019f7
R10: fffffbfff1fa033e R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8bac2460 R15: 0000000000000000
 fs_reclaim_acquire mm/page_alloc.c:4558 [inline]
 fs_reclaim_acquire+0xd2/0x160 mm/page_alloc.c:4549
 might_alloc include/linux/sched/mm.h:198 [inline]
 slab_pre_alloc_hook mm/slab.h:492 [inline]
 slab_alloc_node mm/slub.c:3127 [inline]
 slab_alloc mm/slub.c:3221 [inline]
 __kmalloc+0x58/0x320 mm/slub.c:4396
 kmalloc_array include/linux/slab.h:631 [inline]
 kcalloc include/linux/slab.h:660 [inline]
 drm_atomic_state_init+0xe7/0x3d0 drivers/gpu/drm/drm_atomic.c:132
 drm_atomic_state_alloc drivers/gpu/drm/drm_atomic.c:169 [inline]
 drm_atomic_state_alloc+0xc6/0x110 drivers/gpu/drm/drm_atomic.c:159
 drm_client_modeset_commit_atomic+0xbf/0x7c0 drivers/gpu/drm/drm_client_modeset.c:984
 drm_client_modeset_dpms+0x170/0x200 drivers/gpu/drm/drm_client_modeset.c:1224
 drm_fb_helper_dpms drivers/gpu/drm/drm_fb_helper.c:324 [inline]
 drm_fb_helper_blank+0x1ec/0x250 drivers/gpu/drm/drm_fb_helper.c:357
 fb_blank+0x101/0x190 drivers/video/fbdev/core/fbmem.c:1079
 do_fb_ioctl+0x5e2/0x690 drivers/video/fbdev/core/fbmem.c:1165
 fb_ioctl+0xe7/0x150 drivers/video/fbdev/core/fbmem.c:1189
 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: 0033:0x7f8c66a78ae9
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:00007f8c63fee188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8c66b8bf60 RCX: 00007f8c66a78ae9
RDX: 0000000000000004 RSI: 0000000000004611 RDI: 0000000000000004
RBP: 00007f8c66ad2f25 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdb60bcd9f R14: 00007f8c63fee300 R15: 0000000000022000
----------------
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