loop2: detected capacity change from 0 to 64 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6192 at fs/buffer.c:1084 mark_buffer_dirty+0x325/0x4b0 Modules linked in: CPU: 0 PID: 6192 Comm: syz-executor.2 Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:mark_buffer_dirty+0x325/0x4b0 fs/buffer.c:1084 Code: 89 df e8 ce 93 e4 ff 48 8b 3b be 04 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 07 80 fc ff e8 a2 c5 9a ff eb 80 e8 9b c5 9a ff <0f> 0b e9 27 fd ff ff e8 8f c5 9a ff 0f 0b e9 46 fd ff ff e8 83 c5 RSP: 0018:ffffc90002cd77a0 EFLAGS: 00010287 RAX: ffffffff81e59725 RBX: ffff888059cac200 RCX: 0000000000040000 RDX: ffffc90003fd0000 RSI: 00000000000213b6 RDI: 00000000000213b7 RBP: 0000000000000000 R08: ffffffff81e59444 R09: ffffed100cbfbf00 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880591562b8 R13: dffffc0000000000 R14: 1ffff1100b22ac57 R15: dffffc0000000000 FS: 00007f127b2eb6c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7f78fd1d58 CR3: 000000001aad6000 CR4: 00000000003506f0 Call Trace: bfs_move_block fs/bfs/file.c:43 [inline] bfs_move_blocks fs/bfs/file.c:56 [inline] bfs_get_block+0x852/0xac0 fs/bfs/file.c:125 __block_write_begin_int+0x60b/0x1650 fs/buffer.c:2012