------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 1 PID: 3646 at fs/buffer.c:1145 __brelse fs/buffer.c:1145 [inline]
WARNING: CPU: 1 PID: 3646 at fs/buffer.c:1145 brelse+0x78/0xa0 include/linux/buffer_head.h:326
Modules linked in:
CPU: 1 PID: 3646 Comm: syz-fuzzer Not tainted 6.1.0-rc2-syzkaller-00070-g4dc12f37a8e9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:__brelse fs/buffer.c:1145 [inline]
RIP: 0010:brelse+0x78/0xa0 include/linux/buffer_head.h:326
Code: df be 04 00 00 00 e8 c7 89 e0 ff f0 ff 0b eb 1c e8 6d 8f 8c ff eb 15 e8 66 8f 8c ff 48 c7 c7 c0 cc 9d 8a 31 c0 e8 b8 2d 54 ff <0f> 0b 5b 5d c3 89 d9 80 e1 07 80 c1 03 38 c1 7c af 48 89 df e8 cf
RSP: 0000:ffffc90003f0fe60 EFLAGS: 00010046
RAX: 2a658e3c98045600 RBX: ffff88803579e4e8 RCX: ffff8880180dba80
RDX: 0000000080010001 RSI: 0000000080010001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff816b8dfd R09: ffffed1017364f13
R10: ffffed1017364f13 R11: 1ffff11017364f12 R12: 0000000000000000
R13: 1ffff1101736801a R14: ffff8880b9b35cf8 R15: dffffc0000000000
FS:  000000c01ad76c90(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0ae6dee000 CR3: 0000000075818000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __invalidate_bh_lrus+0x37/0x3c0 fs/buffer.c:1380
 invalidate_bh_lru+0x66/0xb0 fs/buffer.c:1393
 __flush_smp_call_function_queue+0x2cc/0xcd0 kernel/smp.c:630
 __sysvec_call_function_single+0x62/0x70 arch/x86/kernel/smp.c:248
 sysvec_call_function_single+0x3e/0xb0 arch/x86/kernel/smp.c:243
 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:657
RIP: 0033:0x413cca
Code: 89 d3 48 89 c1 48 8b 6c 24 28 48 83 c4 30 c3 90 48 8b 72 68 4c 29 c0 8b 4a 5c 48 0f af c8 48 c1 e9 20 48 0f af f1 4a 8d 04 06 <48> 89 d3 48 8b 6c 24 28 48 83 c4 30 c3 48 be ad de ad de ad de ad
RSP: 002b:000000c00023bf28 EFLAGS: 00000206
RAX: 000000c00b7c3800 RBX: 0000000000000000 RCX: 0000000000000080
RDX: 00007fa26323e898 RSI: 0000000000001800 RDI: 000000000045e5a0
RBP: 000000c00023bf50 R08: 000000c00b7c2000 R09: 0000000000000000
R10: 00007fa2627f9270 R11: 0000000000000000 R12: 000000c000044ed0
R13: 000000c00b7c38c0 R14: 000000c000541380 R15: ffffffffffffffff
 </TASK>