------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 6741 at fs/buffer.c:1148 __brelse fs/buffer.c:1148 [inline]
WARNING: CPU: 0 PID: 6741 at fs/buffer.c:1148 brelse include/linux/buffer_head.h:325 [inline]
WARNING: CPU: 0 PID: 6741 at fs/buffer.c:1148 __invalidate_bh_lrus fs/buffer.c:1394 [inline]
WARNING: CPU: 0 PID: 6741 at fs/buffer.c:1148 invalidate_bh_lru+0xf8/0x1a0 fs/buffer.c:1407
Modules linked in:
CPU: 0 PID: 6741 Comm: syz-executor.4 Not tainted 5.15.161-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__brelse fs/buffer.c:1148 [inline]
RIP: 0010:brelse include/linux/buffer_head.h:325 [inline]
RIP: 0010:__invalidate_bh_lrus fs/buffer.c:1394 [inline]
RIP: 0010:invalidate_bh_lru+0xf8/0x1a0 fs/buffer.c:1407
Code: 00 e8 9c 69 e4 ff f0 ff 0b eb 21 e8 92 99 9a ff 41 80 3c 2e 00 75 26 eb 2c e8 84 99 9a ff 48 c7 c7 20 6c 97 8a e8 d8 41 66 ff <0f> 0b 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c 89 ff
RSP: 0000:ffffc900031e7ea8 EFLAGS: 00010046
RAX: 15ccd4570708da00 RBX: ffff8880743b86b8 RCX: ffff88805a569dc0
RDX: 0000000080010001 RSI: 0000000080010001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8166835c R09: fffff5200063cf15
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b9a36578
R13: 0000000000000028 R14: 1ffff11017346cb4 R15: ffff8880b9a365a0
FS:  00007f509841f6c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5090e1e000 CR3: 0000000074a8b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 flush_smp_call_function_queue+0x2b5/0x760 kernel/smp.c:628
 __sysvec_call_function_single+0x9a/0x250 arch/x86/kernel/smp.c:248
 sysvec_call_function_single+0x3b/0xb0 arch/x86/kernel/smp.c:243
 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:646
RIP: 0033:0x7f5099851a2b
Code: cd 48 01 c1 49 39 4f 08 72 4c 8d 4d ff 85 ed 74 33 66 0f 1f 44 00 00 48 39 f0 72 1b 4d 8b 07 49 89 c1 49 29 f1 47 0f b6 0c 08 <45> 84 c9 74 08 45 88 0c 00 49 8b 47 10 48 83 c0 01 49 89 47 10 83
RSP: 002b:00007f509841e530 EFLAGS: 00000206
RAX: 0000000000e1f83b RBX: 00007f509841e5d0 RCX: 000000000000005c
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00007f509841e670
RBP: 0000000000000102 R08: 00007f508ffff000 R09: 0000000000000000
R10: 0000000000000000 R11: 00007f509841e5e0 R12: 0000000000000001
R13: 00007f5099915020 R14: 0000000000000000 R15: 00007f509841e670
 </TASK>