loop0: detected capacity change from 0 to 64 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 25025 at fs/buffer.c:1183 mark_buffer_dirty+0x2e5/0x520 fs/buffer.c:1183 Modules linked in: CPU: 1 PID: 25025 Comm: syz-executor Not tainted 6.9.0-next-20240521-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:mark_buffer_dirty+0x2e5/0x520 fs/buffer.c:1183 Code: 89 df e8 1e 87 dd ff 48 8b 3b be 04 00 00 00 5b 41 5e 41 5f 5d e9 fb 08 fc ff e8 a6 a2 77 ff e9 73 ff ff ff e8 9c a2 77 ff 90 <0f> 0b 90 e9 61 fd ff ff e8 8e a2 77 ff 90 0f 0b 90 e9 88 fd ff ff RSP: 0018:ffffc90005607808 EFLAGS: 00010293 RAX: ffffffff821ec314 RBX: ffff88807fe23701 RCX: ffff888022c95a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff821ec071 R09: 1ffff1100d5fb95c R10: dffffc0000000000 R11: ffffed100d5fb95d R12: dffffc0000000000 R13: ffff88806afdcae0 R14: ffff88806afdcae0 R15: ffff88801ed75200 FS: 00007face76c36c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020004000 CR3: 000000006460a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bfs_move_block fs/bfs/file.c:44 [inline] bfs_move_blocks fs/bfs/file.c:57 [inline] bfs_get_block+0xadd/0xb70 fs/bfs/file.c:126 __block_write_begin_int+0x50c/0x1a70 fs/buffer.c:2128 __block_write_begin fs/buffer.c:2177 [inline] block_write_begin+0x9b/0x1e0 fs/buffer.c:2236 bfs_write_begin+0x35/0xd0 fs/bfs/file.c:179 generic_perform_write+0x322/0x640 mm/filemap.c:4016 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4137 new_sync_write fs/read_write.c:497 [inline] vfs_write+0xa72/0xc90 fs/read_write.c:590 ksys_write+0x1a0/0x2c0 fs/read_write.c:643 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7face687cee9 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:00007face76c30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007face69abf80 RCX: 00007face687cee9 RDX: 000000000208e24b RSI: 0000000020000440 RDI: 0000000000000004 RBP: 00007face68c949e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007face69abf80 R15: 00007ffddb052858