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WARNING: CPU: 1 PID: 14 at kernel/rcu/tasks.h:901 trc_read_check_handler+0x248/0x2e0 kernel/rcu/tasks.h:920
Modules linked in:
CPU: 1 PID: 14 Comm: rcu_preempt Not tainted 5.15.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:trc_read_check_handler+0x248/0x2e0 kernel/rcu/tasks.h:901
Code: 48 c1 ea 03 0f b6 04 02 4c 89 e2 83 e2 07 38 d0 7f 0c 84 c0 74 08 4c 89 e7 e8 a4 4f 5c 00 c6 83 21 04 00 00 01 e9 5a fe ff ff <0f> 0b 31 c9 ba 01 00 00 00 be 03 00 00 00 48 c7 c7 80 f2 97 8b e8
RSP: 0018:ffffc90000dc0f78 EFLAGS: 00010047
RAX: 0000000000000001 RBX: ffff888011ef9c80 RCX: ffffffff816103f0
RDX: fffffbfff2049384 RSI: 0000000000000004 RDI: ffffffff90249c20
RBP: ffff888011ef9c80 R08: 0000000000000001 R09: 0000000000000003
R10: fffffbfff2049384 R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880b9c32ac8
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f222000 CR3: 000000005d5a7000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 flush_smp_call_function_queue+0x34b/0x640 kernel/smp.c:663
 __sysvec_call_function_single+0x95/0x3d0 arch/x86/kernel/smp.c:248
 sysvec_call_function_single+0x8e/0xc0 arch/x86/kernel/smp.c:243
 </IRQ>
 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:646
RIP: 0010:lock_is_held_type+0xfd/0x140 kernel/locking/lockdep.c:5673
Code: 00 00 b8 ff ff ff ff 65 0f c1 05 9e 2f cd 76 83 f8 01 75 29 9c 58 f6 c4 02 75 3d 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 45 31 ed eb b9 0f 0b 48
RSP: 0018:ffffc90000d37c90 EFLAGS: 00000296
RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffffff8b97fd60 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817c35a8 R11: 0000000000000001 R12: ffff888011ef9c80
R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000
 lock_is_held include/linux/lockdep.h:283 [inline]
 ___might_sleep+0x3a/0x2c0 kernel/sched/core.c:9504
 force_qs_rnp+0x19f/0x760 kernel/rcu/tree.c:2624
 rcu_gp_fqs kernel/rcu/tree.c:1913 [inline]
 rcu_gp_fqs_loop+0x394/0x800 kernel/rcu/tree.c:1971
 rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2130
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
   7:	65 0f c1 05 9e 2f cd 	xadd   %eax,%gs:0x76cd2f9e(%rip)        # 0x76cd2fad
   e:	76
   f:	83 f8 01             	cmp    $0x1,%eax
  12:	75 29                	jne    0x3d
  14:	9c                   	pushfq
  15:	58                   	pop    %rax
  16:	f6 c4 02             	test   $0x2,%ah
  19:	75 3d                	jne    0x58
  1b:	48 f7 04 24 00 02 00 	testq  $0x200,(%rsp)
  22:	00
  23:	74 01                	je     0x26
  25:	fb                   	sti
  26:	48 83 c4 08          	add    $0x8,%rsp
* 2a:	44 89 e8             	mov    %r13d,%eax <-- trapping instruction
  2d:	5b                   	pop    %rbx
  2e:	5d                   	pop    %rbp
  2f:	41 5c                	pop    %r12
  31:	41 5d                	pop    %r13
  33:	41 5e                	pop    %r14
  35:	41 5f                	pop    %r15
  37:	c3                   	retq
  38:	45 31 ed             	xor    %r13d,%r13d
  3b:	eb b9                	jmp    0xfffffff6
  3d:	0f 0b                	ud2
  3f:	48                   	rex.W