rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=e3f/1/0x4000000000000000 softirq=75574/75575 fqs=5116 
	(t=10500 jiffies g=136989 q=2595)
NMI backtrace for cpu 0
CPU: 0 PID: 2700 Comm: syz-executor.0 Not tainted 5.15.0-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:1421
 __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:arch_stack_walk+0x8e/0xe0 arch/x86/kernel/stacktrace.c:26
Code: 75 21 eb 33 4c 89 e7 ff d3 84 c0 74 2a 48 8d bd 78 ff ff ff e8 13 99 07 00 8b 85 78 ff ff ff 85 c0 74 14 48 8d bd 78 ff ff ff <e8> fd 95 07 00 48 85 c0 48 89 c6 75 cd 48 8b 45 d8 65 48 2b 04 25
RSP: 0018:ffffc9001714f670 EFLAGS: 00000202
RAX: 1ffff92002e29ed5 RBX: ffffffff8165d550 RCX: ffffc9001714f700
RDX: 0000000000000001 RSI: ffffc9001714f6f8 RDI: ffffc9001714f670
RBP: ffffc9001714f6f8 R08: ffffffff8de96914 R09: 0000000000000001
R10: fffff52002e29ed9 R11: 0000000000086089 R12: ffffc9001714f728
R13: 0000000000000000 R14: ffff88801c245700 R15: ffff88809e812f80
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 ____kasan_kmalloc mm/kasan/common.c:513 [inline]
 ____kasan_kmalloc mm/kasan/common.c:472 [inline]
 __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:522
 kmalloc include/linux/slab.h:590 [inline]
 io_add_buffers fs/io_uring.c:4405 [inline]
 io_provide_buffers fs/io_uring.c:4439 [inline]
 io_issue_sqe+0x2887/0x7010 fs/io_uring.c:6705
 __io_queue_sqe fs/io_uring.c:6978 [inline]
 io_queue_sqe fs/io_uring.c:7020 [inline]
 io_submit_sqe fs/io_uring.c:7223 [inline]
 io_submit_sqes+0x1bca/0x8a20 fs/io_uring.c:7329
 __do_sys_io_uring_enter+0xf6e/0x1f50 fs/io_uring.c:10043
 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: 0033:0x7f8a178fdae9
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:00007f8a14e73188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: ffffffffffffffda RBX: 00007f8a17a10f60 RCX: 00007f8a178fdae9
RDX: 0000000000000000 RSI: 00000000000002ff RDI: 0000000000000005
RBP: 00007f8a17957f45 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8a17f44b2f R14: 00007f8a14e73300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	75 21                	jne    0x23
   2:	eb 33                	jmp    0x37
   4:	4c 89 e7             	mov    %r12,%rdi
   7:	ff d3                	callq  *%rbx
   9:	84 c0                	test   %al,%al
   b:	74 2a                	je     0x37
   d:	48 8d bd 78 ff ff ff 	lea    -0x88(%rbp),%rdi
  14:	e8 13 99 07 00       	callq  0x7992c
  19:	8b 85 78 ff ff ff    	mov    -0x88(%rbp),%eax
  1f:	85 c0                	test   %eax,%eax
  21:	74 14                	je     0x37
  23:	48 8d bd 78 ff ff ff 	lea    -0x88(%rbp),%rdi
* 2a:	e8 fd 95 07 00       	callq  0x7962c <-- trapping instruction
  2f:	48 85 c0             	test   %rax,%rax
  32:	48 89 c6             	mov    %rax,%rsi
  35:	75 cd                	jne    0x4
  37:	48 8b 45 d8          	mov    -0x28(%rbp),%rax
  3b:	65                   	gs
  3c:	48                   	rex.W
  3d:	2b                   	.byte 0x2b
  3e:	04 25                	add    $0x25,%al