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WARNING: CPU: 0 PID: 9996 at kernel/rcu/tree_stall.h:990 rcu_check_gp_start_stall+0x2cf/0x460 kernel/rcu/tree_stall.h:990
Modules linked in:
CPU: 0 PID: 9996 Comm: syz-executor.0 Not tainted 6.9.0-rc5-syzkaller-00007-g4d2008430ce8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:rcu_check_gp_start_stall+0x2cf/0x460 kernel/rcu/tree_stall.h:990
Code: c7 60 56 73 94 be 04 00 00 00 e8 dc 1d 7a 00 b8 01 00 00 00 87 05 c1 5f f6 12 85 c0 0f 85 1a ff ff ff 48 c7 c0 40 99 33 8e 90 <0f> 0b 90 49 39 c7 74 47 48 c7 c0 2c e9 a7 8f 48 c1 e8 03 42 0f b6
RSP: 0018:ffffc90000007bd8 EFLAGS: 00010046
RAX: ffffffff8e339940 RBX: 00000001000047c8 RCX: ffffffff817cf694
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff94735660
RBP: ffffc90000007e30 R08: 0000000000000003 R09: fffffbfff28e6acc
R10: dffffc0000000000 R11: fffffbfff28e6acc R12: dffffc0000000000
R13: ffff8880b943f540 R14: 0000000000000246 R15: ffffffff8e339940
FS:  00007f774dbed6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f774dbecf00 CR3: 000000006283a000 CR4: 00000000003506f0
DR0: 0000000000002800 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rcu_core+0x694/0x1830 kernel/rcu/tree.c:2466
 __do_softirq+0x2c6/0x980 kernel/softirq.c:554
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:645
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 fa db f0 f5 48 89 df e8 12 1c f2 f5 e8 ed 78 1b f6 fb bf 01 00 00 00 <e8> d2 e1 e3 f5 65 8b 05 f3 0e 82 74 85 c0 74 06 5b c3 cc cc cc cc
RSP: 0018:ffffc900143dfc70 EFLAGS: 00000282
RAX: 56b61b847b265600 RBX: ffff88802a5d0000 RCX: ffffffff946f3603
RDX: dffffc0000000000 RSI: ffffffff8bcab8a0 RDI: 0000000000000001
RBP: ffffc900143dfdb0 R08: ffffffff8fa7b5ef R09: 1ffffffff1f4f6bd
R10: dffffc0000000000 R11: fffffbfff1f4f6be R12: 0000000000000021
R13: 1ffff110054ba093 R14: ffff88802a5d0498 R15: ffff88802a5d0000
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 get_signal+0x14dd/0x1740 kernel/signal.c:2914
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
 do_syscall_64+0x102/0x240 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f774ce7dea7
Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89
RSP: 002b:00007f774dbed0c8 EFLAGS: 00000246
RAX: 00000000000000ca RBX: 00007f774cfabf80 RCX: 00007f774ce7dea9
RDX: 0000000000000000 RSI: 0000800000000006 RDI: 0000000020001300
RBP: 00007f774ceca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f774cfabf80 R15: 00007ffff398c6c8
 </TASK>
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	f3 0f 1e fa          	endbr64
   5:	53                   	push   %rbx
   6:	48 89 fb             	mov    %rdi,%rbx
   9:	48 83 c7 18          	add    $0x18,%rdi
   d:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
  12:	e8 fa db f0 f5       	call   0xf5f0dc11
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 12 1c f2 f5       	call   0xf5f21c31
  1f:	e8 ed 78 1b f6       	call   0xf61b7911
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 d2 e1 e3 f5       	call   0xf5e3e201 <-- trapping instruction
  2f:	65 8b 05 f3 0e 82 74 	mov    %gs:0x74820ef3(%rip),%eax        # 0x74820f29
  36:	85 c0                	test   %eax,%eax
  38:	74 06                	je     0x40
  3a:	5b                   	pop    %rbx
  3b:	c3                   	ret
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3