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VFS: brelse: Trying to free free buffer
WARNING: CPU: 1 PID: 3626 at fs/buffer.c:1145 __brelse fs/buffer.c:1145 [inline]
WARNING: CPU: 1 PID: 3626 at fs/buffer.c:1145 brelse+0x78/0xa0 include/linux/buffer_head.h:327
Modules linked in:
CPU: 1 PID: 3626 Comm: syz-fuzzer Not tainted 6.0.0-syzkaller-07362-g62e6e5940c0c #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 4d ab 8d ff eb 15 e8 46 ab 8d ff 48 c7 c7 60 b1 9d 8a 31 c0 e8 58 13 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:ffffc900049afe60 EFLAGS: 00010046
RAX: 57bdaebdb482e800 RBX: ffff888031ef4df8 RCX: ffff888021a0bb00
RDX: 0000000080010001 RSI: 0000000080010001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff816af64d R09: ffffed1017364f13
R10: ffffed1017364f13 R11: 1ffff11017364f12 R12: ffff8880b9b35d00
R13: 1ffff11017367fe6 R14: ffff8880b9b35cf8 R15: dffffc0000000000
FS:  000000c01826b090(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd7b55d0190 CR3: 0000000073b47000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __invalidate_bh_lrus+0x70/0x3c0 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: 0033:0x550626
Code: cc cc cc cc 0f b6 40 20 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 49 3b 66 10 76 6f <48> 83 ec 40 48 89 6c 24 38 48 8d 6c 24 38 80 78 21 00 75 0e 48 8b
RSP: 002b:000000c02b846b30 EFLAGS: 00000206
RAX: 000000000160cdc0 RBX: 000000000096e700 RCX: 000000000055a860
RDX: 000000c000608000 RSI: 000000c00000c078 RDI: 0000000000a6f3c6
RBP: 000000c02b846b40 R08: 000000003c84c8af R09: 0000000000cdc5f8
R10: 0000000000cdc4f8 R11: 000000c01c5e21d0 R12: 0000000000000000
R13: 0000000000000000 R14: 000000c000083d40 R15: 00007fd7ab9249e8
 </TASK>