loop1: detected capacity change from 0 to 64
------------[ cut here ]------------
WARNING: CPU: 0 PID: 11590 at fs/buffer.c:1188 mark_buffer_dirty+0x2dd/0x500
Modules linked in:
CPU: 0 PID: 11590 Comm: syz-executor.1 Not tainted 6.6.0-rc1-syzkaller-00196-g57d88e8a5974 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:mark_buffer_dirty+0x2dd/0x500 fs/buffer.c:1188
Code: df e8 b7 7b df ff 48 8b 3b be 04 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 72 53 fc ff e8 dd 8c 85 ff e9 71 ff ff ff e8 d3 8c 85 ff <0f> 0b e9 6d fd ff ff e8 c7 8c 85 ff 0f 0b e9 96 fd ff ff e8 bb 8c
RSP: 0018:ffffc900055e7708 EFLAGS: 00010283
RAX: ffffffff820816cd RBX: ffff888083a1f201 RCX: 0000000000040000
RDX: ffffc90005749000 RSI: 0000000000012774 RDI: 0000000000012775
RBP: 0000000000000000 R08: ffffffff82081434 R09: 1ffff11010a14796
R10: dffffc0000000000 R11: ffffed1010a14797 R12: ffff8880850a3cb0
R13: ffff888080dccae0 R14: ffff8880850a3cb0 R15: dffffc0000000000
FS:  00007ff4f65736c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555f238f8 CR3: 000000002591a000 CR4: 00000000003506f0
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+0x555/0x1a40 fs/buffer.c:2107
 __block_write_begin fs/buffer.c:2157 [inline]
 block_write_begin+0x9b/0x1e0 fs/buffer.c:2216
 bfs_write_begin+0x35/0xd0 fs/bfs/file.c:177
 generic_perform_write+0x31b/0x630 mm/filemap.c:3942
 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4063
 do_iter_write+0x84f/0xde0 fs/read_write.c:860
 vfs_writev fs/read_write.c:933 [inline]
 do_writev+0x27f/0x470 fs/read_write.c:976
 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: 0033:0x7ff4f587cae9
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:00007ff4f65730c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007ff4f599bf80 RCX: 00007ff4f587cae9
RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000005
RBP: 00007ff4f58c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff4f599bf80 R15: 00007fff90279c68
 </TASK>