rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=99b/1/0x4000000000000000 softirq=240463/240464 fqs=5146 
	(t=10500 jiffies g=403417 q=697)
NMI backtrace for cpu 1
CPU: 1 PID: 15355 Comm: syz-executor.2 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>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:instrument_atomic_read include/linux/instrumented.h:71 [inline]
RIP: 0010:test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
RIP: 0010:test_ti_thread_flag include/linux/thread_info.h:118 [inline]
RIP: 0010:test_tsk_thread_flag include/linux/sched.h:1983 [inline]
RIP: 0010:signal_pending include/linux/sched/signal.h:366 [inline]
RIP: 0010:paste_selection+0x25d/0x4c0 drivers/tty/vt/selection.c:396
Code: 0f 85 21 02 00 00 49 c7 87 f0 16 00 00 72 3b 31 84 4c 8d 7b 18 be 04 00 00 00 4c 89 ff e8 9b 09 8b fd b8 01 00 00 00 41 87 07 <be> 08 00 00 00 48 89 df e8 76 09 8b fd 41 80 3e 00 0f 85 f0 01 00
RSP: 0018:ffffc9001839fa88 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88803997a280 RCX: ffffffff84313bb5
RDX: ffffed100732f454 RSI: 0000000000000004 RDI: ffff88803997a298
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88803997a29b
R10: ffffed100732f453 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880755c0000 R14: ffffed100732f450 R15: ffff88803997a298
 tioclinux+0x126/0x560 drivers/tty/vt/vt.c:3204
 vt_ioctl+0x229a/0x2b10 drivers/tty/vt/vt_ioctl.c:762
 tty_ioctl+0xbbd/0x1670 drivers/tty/tty_io.c:2805
 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: 0033:0x7f2ed6755ae9
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:00007f2ed3ccb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2ed6868f60 RCX: 00007f2ed6755ae9
RDX: 0000000020000000 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007f2ed67aff25 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe5f3f98ff R14: 00007f2ed3ccb300 R15: 0000000000022000
----------------
Code disassembly (best guess):
   0:	0f 85 21 02 00 00    	jne    0x227
   6:	49 c7 87 f0 16 00 00 	movq   $0xffffffff84313b72,0x16f0(%r15)
   d:	72 3b 31 84
  11:	4c 8d 7b 18          	lea    0x18(%rbx),%r15
  15:	be 04 00 00 00       	mov    $0x4,%esi
  1a:	4c 89 ff             	mov    %r15,%rdi
  1d:	e8 9b 09 8b fd       	callq  0xfd8b09bd
  22:	b8 01 00 00 00       	mov    $0x1,%eax
  27:	41 87 07             	xchg   %eax,(%r15)
* 2a:	be 08 00 00 00       	mov    $0x8,%esi <-- trapping instruction
  2f:	48 89 df             	mov    %rbx,%rdi
  32:	e8 76 09 8b fd       	callq  0xfd8b09ad
  37:	41 80 3e 00          	cmpb   $0x0,(%r14)
  3b:	0f                   	.byte 0xf
  3c:	85 f0                	test   %esi,%eax
  3e:	01 00                	add    %eax,(%rax)