rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=803/1/0x4000000000000000 softirq=314725/314725 fqs=4066 
	(t=10500 jiffies g=439501 q=2423)
NMI backtrace for cpu 0
CPU: 0 PID: 11590 Comm: syz-executor.5 Not tainted 5.16.0-rc8-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:111
 nmi_trigger_cpumask_backtrace+0x1b3/0x230 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+0x5c/0x759 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+0x40/0xc0 arch/x86/kernel/apic/apic.c:1097
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: 0f 1f 44 00 00 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 ee bd 15 f8 48 89 ef e8 a6 33 16 f8 e8 51 eb 36 f8 fb bf 01 00 00 00 <e8> f6 fd 08 f8 65 8b 05 0f 83 bb 76 85 c0 74 02 5d c3 e8 2b 58 b9
RSP: 0018:ffffc90000007e08 EFLAGS: 00000206
RAX: 0000000000a37ed4 RBX: ffffffff87483370 RCX: 1ffffffff1b22671
RDX: 0000000000000000 RSI: 0000000000000101 RDI: 0000000000000001
RBP: ffff8880b9c28280 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817dd868 R11: 0000000000000000 R12: ffffc90000007e98
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8880b9c28280
 expire_timers kernel/time/timer.c:1465 [inline]
 __run_timers.part.0+0x66c/0xa30 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:637
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
 sysvec_apic_timer_interrupt+0x93/0xc0 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:check_region_inline mm/kasan/generic.c:169 [inline]
RIP: 0010:kasan_check_range+0x3/0x180 mm/kasan/generic.c:189
Code: 5d 41 5c c3 48 8b 47 08 48 c7 c6 28 d7 38 8b 48 8d 50 ff a8 01 48 0f 45 fa e8 69 74 ec ff 0f 0b 0f 1f 80 00 00 00 00 48 85 f6 <0f> 84 3c 01 00 00 49 89 f9 41 54 44 0f b6 c2 49 01 f1 55 53 0f 82
RSP: 0018:ffffc9001d9e7c68 EFLAGS: 00000206
RAX: 0000000000000001 RBX: ffffc9001d9e7d28 RCX: ffffffff81d0158a
RDX: 0000000000000001 RSI: 000000000000000a RDI: ffff8880162924d8
RBP: ffffffff89bb3100 R08: 0000000000000000 R09: 0000000000000001
R10: fffffbfff1376621 R11: 0000000000000000 R12: 000000000000000a
R13: ffff8880162924d8 R14: 000000000000000a R15: ffff888016292468
 memcpy+0x39/0x60 mm/kasan/shadow.c:66
 memcpy include/linux/fortify-string.h:225 [inline]
 __d_alloc+0x19a/0x950 fs/dcache.c:1775
 d_alloc_pseudo+0x19/0x70 fs/dcache.c:1873
 alloc_file_pseudo+0xc6/0x250 fs/file_table.c:225
 __anon_inode_getfile fs/anon_inodes.c:109 [inline]
 anon_inode_getfile_secure+0xb5/0x1e0 fs/anon_inodes.c:176
 io_uring_get_file fs/io_uring.c:10367 [inline]
 io_uring_create fs/io_uring.c:10483 [inline]
 io_uring_setup.cold+0x1be8/0x2454 fs/io_uring.c:10530
 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: 0033:0x7f4e511cde99
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:00007f4e4fb430e8 EFLAGS: 00000206 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007f4e512e0f60 RCX: 00007f4e511cde99
RDX: 0000000020ffe000 RSI: 0000000020000240 RDI: 00000000000004de
RBP: 0000000020000240 R08: 0000000020000180 R09: 0000000020000180
R10: 0000000020000040 R11: 0000000000000206 R12: 0000000020000180
R13: 0000000020ffe000 R14: 0000000020000040 R15: 0000000020002000
 </TASK>
----------------
Code disassembly (best guess):
   0:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   5:	55                   	push   %rbp
   6:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
   b:	48 89 fd             	mov    %rdi,%rbp
   e:	48 83 c7 18          	add    $0x18,%rdi
  12:	e8 ee bd 15 f8       	callq  0xf815be05
  17:	48 89 ef             	mov    %rbp,%rdi
  1a:	e8 a6 33 16 f8       	callq  0xf81633c5
  1f:	e8 51 eb 36 f8       	callq  0xf836eb75
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 f6 fd 08 f8       	callq  0xf808fe25 <-- trapping instruction
  2f:	65 8b 05 0f 83 bb 76 	mov    %gs:0x76bb830f(%rip),%eax        # 0x76bb8345
  36:	85 c0                	test   %eax,%eax
  38:	74 02                	je     0x3c
  3a:	5d                   	pop    %rbp
  3b:	c3                   	retq
  3c:	e8                   	.byte 0xe8
  3d:	2b 58 b9             	sub    -0x47(%rax),%ebx