------------[ cut here ]------------ WARNING: CPU: 0 PID: 16187 at fs/btrfs/ordered-data.c:1138 btrfs_split_ordered_extent+0x628/0x840 Modules linked in: CPU: 0 PID: 16187 Comm: syz-executor.0 Not tainted 6.4.0-rc5-syzkaller-00305-g022ce8862dff #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:btrfs_split_ordered_extent+0x628/0x840 fs/btrfs/ordered-data.c:1138 Code: fe 48 c7 c7 60 95 2a 8b 48 c7 c6 e0 90 2a 8b ba 6c 04 00 00 e8 b9 ca 1d 07 e8 14 3d fb fd 0f 0b e9 21 fb ff ff e8 08 3d fb fd <0f> 0b bb ea ff ff ff eb b0 e8 fa 3c fb fd 0f 0b bb ea ff ff ff eb RSP: 0018:ffffc9000342edd8 EFLAGS: 00010293 RAX: ffffffff83904298 RBX: 0000000000010000 RCX: ffff888025198000 RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000001000 RBP: 1ffff1100ee9769d R08: ffffffff83903e62 R09: fffffbfff1cabaae R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8880774bb4e8 R14: 0000000000001000 R15: 0000000000000000 FS: 00007fe332d5b700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe332d3a718 CR3: 000000007b7b3000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_extract_ordered_extent+0x12c/0xb00 fs/btrfs/inode.c:2625 btrfs_dio_submit_io+0x239/0x340 fs/btrfs/inode.c:7737 iomap_dio_submit_bio fs/iomap/direct-io.c:75 [inline] iomap_dio_bio_iter+0xe15/0x1430 fs/iomap/direct-io.c:355 __iomap_dio_rw+0x12c3/0x22e0 fs/iomap/direct-io.c:598 btrfs_dio_write+0xb6/0x100 fs/btrfs/inode.c:7770 btrfs_direct_write fs/btrfs/file.c:1529 [inline] btrfs_do_write_iter+0x870/0x1270 fs/btrfs/file.c:1674 do_iter_write+0x7b1/0xcb0 fs/read_write.c:860 iter_file_splice_write+0x843/0xfe0 fs/splice.c:795 do_splice_from fs/splice.c:873 [inline] direct_splice_actor+0xe7/0x1c0 fs/splice.c:1039 splice_direct_to_actor+0x4c4/0xbd0 fs/splice.c:994 do_splice_direct+0x283/0x3d0 fs/splice.c:1082 do_sendfile+0x620/0xff0 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308 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: 0033:0x7fe33208c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe332d5b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fe3321abf80 RCX: 00007fe33208c169 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 RBP: 00007fe3320e7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffb32454ef R14: 00007fe332d5b300 R15: 0000000000022000