------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 3322 at fs/buffer.c:1145 __brelse fs/buffer.c:1145 [inline]
WARNING: CPU: 0 PID: 3322 at fs/buffer.c:1145 __brelse+0x67/0xa0 fs/buffer.c:1139
Modules linked in:
CPU: 0 PID: 3322 Comm: kworker/0:3 Not tainted 6.1.0-rc4-syzkaller-00045-g1767a722a708 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: rcu_gp process_srcu
RIP: 0010:__brelse fs/buffer.c:1145 [inline]
RIP: 0010:__brelse+0x67/0xa0 fs/buffer.c:1139
Code: 7c 04 84 d2 75 4e 44 8b 63 60 31 ff 44 89 e6 e8 6f 16 95 ff 45 85 e4 75 1c e8 95 19 95 ff 48 c7 c7 20 c7 fc 89 e8 e7 1a 62 07 <0f> 0b 5b 5d 41 5c e9 7e 19 95 ff e8 79 19 95 ff be 04 00 00 00 48
RSP: 0018:ffffc90000007f40 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffff88808e0e4ae0 RCX: 0000000000000000
RDX: ffff888022b4d7c0 RSI: ffffffff81622b98 RDI: fffff52000000fda
RBP: ffff88808e0e4b40 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080010001 R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880b9a35f80 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2eb26000 CR3: 0000000082188000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 brelse include/linux/buffer_head.h:326 [inline]
 __invalidate_bh_lrus fs/buffer.c:1380 [inline]
 invalidate_bh_lru+0x99/0x150 fs/buffer.c:1393
 __flush_smp_call_function_queue+0x205/0x9a0 kernel/smp.c:630
 __sysvec_call_function_single+0xca/0x4d0 arch/x86/kernel/smp.c:248
 sysvec_call_function_single+0x8e/0xc0 arch/x86/kernel/smp.c:243
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:657
RIP: 0010:preempt_count_add+0x0/0x140 kernel/sched/core.c:5647
Code: ff ff 48 89 ef e8 f0 32 06 00 48 89 ef e8 b8 8f 07 00 48 89 ee 48 8b 3d 4e 56 8f 0c 5d e9 b8 e6 75 00 0f 1f 84 00 00 00 00 00 <48> c7 c0 80 28 20 91 55 48 ba 00 00 00 00 00 fc ff df 48 89 c1 53
RSP: 0018:ffffc9000388fbb0 EFLAGS: 00000286
RAX: 0000000080000000 RBX: 000000d72e76c1f6 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 000000d72e76b38c R08: 0000000000000006 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000002bf3 R14: 000000000000d208 R15: 000000000000d209
 delay_tsc+0x38/0xb0 arch/x86/lib/delay.c:79
 try_check_zero+0x20f/0x470 kernel/rcu/srcutree.c:974
 srcu_advance_state kernel/rcu/srcutree.c:1521 [inline]
 process_srcu+0x387/0x11b0 kernel/rcu/srcutree.c:1622
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	ff 48 89             	decl   -0x77(%rax)
   3:	ef                   	out    %eax,(%dx)
   4:	e8 f0 32 06 00       	callq  0x632f9
   9:	48 89 ef             	mov    %rbp,%rdi
   c:	e8 b8 8f 07 00       	callq  0x78fc9
  11:	48 89 ee             	mov    %rbp,%rsi
  14:	48 8b 3d 4e 56 8f 0c 	mov    0xc8f564e(%rip),%rdi        # 0xc8f5669
  1b:	5d                   	pop    %rbp
  1c:	e9 b8 e6 75 00       	jmpq   0x75e6d9
  21:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
  28:	00
* 29:	48 c7 c0 80 28 20 91 	mov    $0xffffffff91202880,%rax <-- trapping instruction
  30:	55                   	push   %rbp
  31:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  38:	fc ff df
  3b:	48 89 c1             	mov    %rax,%rcx
  3e:	53                   	push   %rbx