------------[ cut here ]------------
WARNING: CPU: 1 PID: 20184 at fs/buffer.c:1193 mark_buffer_dirty+0x2dd/0x500
Modules linked in:
CPU: 1 PID: 20184 Comm: syz-executor.1 Not tainted 6.5.0-rc7-syzkaller-00018-g89bf6209cad6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:mark_buffer_dirty+0x2dd/0x500 fs/buffer.c:1193
Code: df e8 67 17 e0 ff 48 8b 3b be 04 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 62 5d fc ff e8 5d 45 87 ff e9 71 ff ff ff e8 53 45 87 ff <0f> 0b e9 6d fd ff ff e8 47 45 87 ff 0f 0b e9 96 fd ff ff e8 3b 45
RSP: 0018:ffffc90006207808 EFLAGS: 00010287
RAX: ffffffff820472dd RBX: ffff888022151c01 RCX: 0000000000040000
RDX: ffffc9000d2c0000 RSI: 00000000000069ed RDI: 00000000000069ee
RBP: 0000000000000000 R08: ffffffff82047044 R09: 1ffff1100eceb396
R10: dffffc0000000000 R11: ffffed100eceb397 R12: ffff888076759cb0
R13: ffff88803da102b8 R14: ffff888076759cb0 R15: dffffc0000000000
FS:  00007f4bc16526c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020003000 CR3: 000000002cb6b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bfs_move_block fs/bfs/file.c:43 [inline]
 bfs_move_blocks fs/bfs/file.c:56 [inline]
 bfs_get_block+0x856/0xad0 fs/bfs/file.c:125
 __block_write_begin_int+0x555/0x1a60 fs/buffer.c:2128
 __block_write_begin fs/buffer.c:2178 [inline]
 block_write_begin+0x9c/0x1f0 fs/buffer.c:2239
 bfs_write_begin+0x35/0xd0 fs/bfs/file.c:177
 generic_perform_write+0x31b/0x630 mm/filemap.c:3923
 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4044
 call_write_iter include/linux/fs.h:1877 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x782/0xaf0 fs/read_write.c:584
 ksys_write+0x1a0/0x2c0 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4bc087cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4bc16520c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4bc099bf80 RCX: 00007f4bc087cae9
RDX: 00000000175d9003 RSI: 0000000020000200 RDI: 0000000000000004
RBP: 00007f4bc08c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f4bc099bf80 R15: 00007ffe815af048
 </TASK>