rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=69f/1/0x4000000000000000 softirq=92697/92697 fqs=5241 
	(t=10502 jiffies g=167141 q=1428)
NMI backtrace for cpu 0
CPU: 0 PID: 8008 Comm: syz-executor.0 Not tainted 5.15.0-rc2-next-20210924-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:343
 print_cpu_stall kernel/rcu/tree_stall.h:627 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:711 [inline]
 rcu_pending kernel/rcu/tree.c:3878 [inline]
 rcu_sched_clock_irq.cold+0x9d/0x746 kernel/rcu/tree.c:2597
 update_process_times+0x16d/0x200 kernel/time/timer.c:1785
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1428
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:ntfs_lookup_inode_by_name+0x5b1/0x34b0 fs/ntfs/dir.c:193
Code: 24 18 41 0f b6 44 24 51 0f b6 17 84 d2 74 09 80 fa 03 0f 8e e3 24 00 00 48 8b 54 24 28 41 8b 76 70 48 c1 ea 03 42 80 3c 3a 00 <89> 74 24 38 0f 85 af 24 00 00 4c 89 ea 4c 89 e9 49 8b 6e 78 48 c1
RSP: 0018:ffffc9000c4e7998 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc900032d1000
RDX: 1ffff11003a9310f RSI: 0000000000010000 RDI: ffffed1003a9310e
RBP: ffff88801d498810 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff828c79f2 R11: 0000000000000000 R12: ffff8880920d3278
R13: ffff8880920d32c8 R14: ffff88801d498800 R15: dffffc0000000000
 load_and_init_usnjrnl+0xda/0x1180 fs/ntfs/super.c:1450
 load_system_files fs/ntfs/super.c:2146 [inline]
 ntfs_fill_super+0x7adc/0x84e0 fs/ntfs/super.c:2893
 mount_bdev+0x34d/0x410 fs/super.c:1368
 legacy_get_tree+0x105/0x220 fs/fs_context.c:610
 vfs_get_tree+0x89/0x2f0 fs/super.c:1498
 do_new_mount fs/namespace.c:2988 [inline]
 path_mount+0x1320/0x1fa0 fs/namespace.c:3318
 do_mount fs/namespace.c:3331 [inline]
 __do_sys_mount fs/namespace.c:3539 [inline]
 __se_sys_mount fs/namespace.c:3516 [inline]
 __x64_sys_mount+0x27f/0x300 fs/namespace.c:3516
 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: 0033:0x7fd696ce6c2a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007fd69425bfa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fd696ce6c2a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fd69425c000
RBP: 00007fd69425c040 R08: 00007fd69425c040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007fd69425c000 R15: 0000000020099000
 </TASK>
vkms_vblank_simulate: vblank timer overrun
----------------
Code disassembly (best guess):
   0:	24 18                	and    $0x18,%al
   2:	41 0f b6 44 24 51    	movzbl 0x51(%r12),%eax
   8:	0f b6 17             	movzbl (%rdi),%edx
   b:	84 d2                	test   %dl,%dl
   d:	74 09                	je     0x18
   f:	80 fa 03             	cmp    $0x3,%dl
  12:	0f 8e e3 24 00 00    	jle    0x24fb
  18:	48 8b 54 24 28       	mov    0x28(%rsp),%rdx
  1d:	41 8b 76 70          	mov    0x70(%r14),%esi
  21:	48 c1 ea 03          	shr    $0x3,%rdx
  25:	42 80 3c 3a 00       	cmpb   $0x0,(%rdx,%r15,1)
* 2a:	89 74 24 38          	mov    %esi,0x38(%rsp) <-- trapping instruction
  2e:	0f 85 af 24 00 00    	jne    0x24e3
  34:	4c 89 ea             	mov    %r13,%rdx
  37:	4c 89 e9             	mov    %r13,%rcx
  3a:	49 8b 6e 78          	mov    0x78(%r14),%rbp
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1