BTRFS error (device loop0): found unexpected ordered extent in file range [0, 6295551] for inode 263 root 5 (ordered range [131072, 262143]) assertion failed: ordered == NULL, in fs/btrfs/inode.c:10480 ------------[ cut here ]------------ kernel BUG at fs/btrfs/inode.c:10480! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5348 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:btrfs_assert_inode_range_clean+0x2cf/0x320 fs/btrfs/inode.c:10480 Code: fd 48 8b 3c 24 e8 e1 88 04 00 48 c7 c7 40 4a 38 8c 48 c7 c6 20 62 38 8c 48 c7 c2 20 4b 38 8c b9 f0 28 00 00 e8 02 42 13 fd 90 <0f> 0b 89 d9 80 e1 07 38 c1 0f 8c b8 fe ff ff be 08 00 00 00 48 89 RSP: 0018:ffffc9000f84ef28 EFLAGS: 00010246 RAX: 000000000000003c RBX: 0000000000000001 RCX: 2a97a89e9fcdac00 RDX: ffffc90021003000 RSI: 0000000000006024 RDI: 0000000000006025 RBP: 0000000000020000 R08: ffffc9000f84eca7 R09: 1ffff92001f09d94 R10: dffffc0000000000 R11: fffff52001f09d95 R12: 0000000000000000 R13: 0000000000000005 R14: dffffc0000000000 R15: 0000000000600fff FS: 00007f29bbcce6c0(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f29bb020c80 CR3: 000000001d0f8000 CR4: 0000000000352ef0 Call Trace: btrfs_punch_hole_lock_range+0x521/0x5b0 fs/btrfs/file.c:2291 btrfs_punch_hole fs/btrfs/file.c:2756 [inline] btrfs_fallocate+0x17a8/0x1c30 fs/btrfs/file.c:3128 vfs_fallocate+0x65a/0x7e0 fs/open.c:338 madvise_remove mm/madvise.c:1038 [inline] madvise_vma_behavior+0x2c07/0x4340 mm/madvise.c:1351 madvise_walk_vmas+0x576/0xb00 mm/madvise.c:1712 madvise_do_behavior+0x385/0x540 mm/madvise.c:1907 do_madvise+0x327/0x3a0 mm/madvise.c:2005 __do_sys_madvise mm/madvise.c:2014 [inline] __se_sys_madvise mm/madvise.c:2012 [inline] __x64_sys_madvise+0xa6/0xc0 mm/madvise.c:2012 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f29bad9e0d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f29bbccdfe8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007f29bb026270 RCX: 00007f29bad9e0d9 RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000200000000000 RBP: 00007f29bae35024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f29bb026308 R14: 00007f29bb026270 R15: 00007ffdf6d00b78 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:btrfs_assert_inode_range_clean+0x2cf/0x320 fs/btrfs/inode.c:10480 Code: fd 48 8b 3c 24 e8 e1 88 04 00 48 c7 c7 40 4a 38 8c 48 c7 c6 20 62 38 8c 48 c7 c2 20 4b 38 8c b9 f0 28 00 00 e8 02 42 13 fd 90 <0f> 0b 89 d9 80 e1 07 38 c1 0f 8c b8 fe ff ff be 08 00 00 00 48 89 RSP: 0018:ffffc9000f84ef28 EFLAGS: 00010246 RAX: 000000000000003c RBX: 0000000000000001 RCX: 2a97a89e9fcdac00 RDX: ffffc90021003000 RSI: 0000000000006024 RDI: 0000000000006025 RBP: 0000000000020000 R08: ffffc9000f84eca7 R09: 1ffff92001f09d94 R10: dffffc0000000000 R11: fffff52001f09d95 R12: 0000000000000000 R13: 0000000000000005 R14: dffffc0000000000 R15: 0000000000600fff FS: 00007f29bbcce6c0(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdf6d00e58 CR3: 000000001d0f8000 CR4: 0000000000352ef0