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VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 3606 at fs/buffer.c:1145 __brelse fs/buffer.c:1145 [inline]
WARNING: CPU: 0 PID: 3606 at fs/buffer.c:1145 brelse+0x78/0xa0 include/linux/buffer_head.h:327
Modules linked in:
CPU: 0 PID: 3606 Comm: syz-fuzzer Not tainted 6.0.0-syzkaller-09423-g493ffd6605b2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:__brelse fs/buffer.c:1145 [inline]
RIP: 0010:brelse+0x78/0xa0 include/linux/buffer_head.h:327
Code: df be 04 00 00 00 e8 47 17 e1 ff f0 ff 0b eb 1c e8 dd aa 8d ff eb 15 e8 d6 aa 8d ff 48 c7 c7 60 b7 9d 8a 31 c0 e8 38 0f 56 ff <0f> 0b 5b 5d c3 89 d9 80 e1 07 80 c1 03 38 c1 7c af 48 89 df e8 4f
RSP: 0000:ffffc90003f6fe60 EFLAGS: 00010046
RAX: a2f7c13aa2810d00 RBX: ffff8880499824e8 RCX: ffff8880283b9d80
RDX: 0000000080010001 RSI: 0000000080010001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff816aa79d R09: ffffed1017344f13
R10: ffffed1017344f13 R11: 1ffff11017344f12 R12: ffff8880b9a35d10
R13: 1ffff11017348496 R14: ffff8880b9a35cf8 R15: dffffc0000000000
FS:  000000c000050890(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9c157b0000 CR3: 00000000729a0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __invalidate_bh_lrus+0xe4/0x3c0 fs/buffer.c:1391
 invalidate_bh_lru+0x66/0xb0 fs/buffer.c:1404
 __flush_smp_call_function_queue+0x2bc/0xcc0 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: 0033:0x413f5a
Code: c7 48 09 d8 48 09 c8 66 0f 1f 84 00 00 00 00 00 48 a9 07 00 00 00 0f 85 eb 03 00 00 80 3d 11 f4 b1 01 00 0f 84 2b 01 00 00 90 <48> ba 00 00 00 00 00 80 00 00 48 8d 04 17 48 c1 e8 1a 48 3d 00 00
RSP: 002b:000000c009446a18 EFLAGS: 00000202
RAX: 000000c02dd6ffb8 RBX: 000000c009446c18 RCX: 0000000000000028
RDX: 0000000000000028 RSI: 0000000000cdc578 RDI: 000000c024d29b80
RBP: 000000c009446a78 R08: 000000003c84c8af R09: 0000000000cdc678
R10: 0000000000cdc578 R11: 000000c0256cbdb0 R12: 000000c009446b68
R13: 0000000000000000 R14: 000000c000001ba0 R15: 00007f2cbc7e44de
 </TASK>