------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 1 PID: 11742 at fs/buffer.c:1229 __brelse fs/buffer.c:1229 [inline]
WARNING: CPU: 1 PID: 11742 at fs/buffer.c:1229 brelse include/linux/buffer_head.h:324 [inline]
WARNING: CPU: 1 PID: 11742 at fs/buffer.c:1229 bh_lru_install fs/buffer.c:1346 [inline]
WARNING: CPU: 1 PID: 11742 at fs/buffer.c:1229 __find_get_block+0x109d/0x1150 fs/buffer.c:1400
Modules linked in:
CPU: 1 UID: 0 PID: 11742 Comm: syz.4.1184 Not tainted 6.13.0-rc5-syzkaller-00006-g56e6a3499e14 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__brelse fs/buffer.c:1229 [inline]
RIP: 0010:brelse include/linux/buffer_head.h:324 [inline]
RIP: 0010:bh_lru_install fs/buffer.c:1346 [inline]
RIP: 0010:__find_get_block+0x109d/0x1150 fs/buffer.c:1400
Code: 07 40 9a e8 c5 5b dc ff e9 1b f7 ff ff e8 eb f3 75 ff e9 87 f7 ff ff e8 e1 f3 75 ff 90 48 c7 c7 e0 03 19 8c e8 e4 97 36 ff 90 <0f> 0b 90 90 e9 6b f7 ff ff e8 c5 f3 75 ff 48 c7 c7 00 e2 a8 8e 4c
RSP: 0018:ffffc90004587500 EFLAGS: 00010246
RAX: 782401b949068800 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000f057000 RSI: 0000000000006614 RDI: 0000000000006615
RBP: ffffc90004587628 R08: ffffffff81601a82 R09: 1ffff110170e519a
R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88807fdd7740
R13: ffff8880b87398b0 R14: ffff88802350d910 R15: ffff88802350d060
FS:  00007f3f9a40a6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f32669f8000 CR3: 0000000049310000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 bdev_getblk+0x33/0x670 fs/buffer.c:1425
 __breadahead+0x2b/0x240 fs/buffer.c:1440
 nilfs_search_super_root+0x2e0/0x16a0 fs/nilfs2/recovery.c:870
 load_nilfs+0x3a1/0x1090 fs/nilfs2/the_nilfs.c:250
 nilfs_fill_super+0x31e/0x720 fs/nilfs2/super.c:1067
 nilfs_get_tree+0x4f9/0x920 fs/nilfs2/super.c:1220
 vfs_get_tree+0x92/0x2b0 fs/super.c:1814
 do_new_mount+0x2be/0xb40 fs/namespace.c:3507
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3f995874ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3f9a409e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f3f9a409ef0 RCX: 00007f3f995874ca
RDX: 0000000020000dc0 RSI: 0000000020000400 RDI: 00007f3f9a409eb0
RBP: 0000000020000dc0 R08: 00007f3f9a409ef0 R09: 0000000000000090
R10: 0000000000000090 R11: 0000000000000246 R12: 0000000020000400
R13: 00007f3f9a409eb0 R14: 0000000000000d99 R15: 0000000020003280
 </TASK>