assertion failed: folio_test_locked(folio), in fs/btrfs/subpage.c:871
------------[ cut here ]------------
kernel BUG at fs/btrfs/subpage.c:871!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 8727 Comm: syz.3.690 Not tainted 6.11.0-rc1-next-20240729-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:btrfs_folio_end_all_writers+0x55b/0x610 fs/btrfs/subpage.c:871
Code: e9 d3 fb ff ff e8 15 86 bd fd 48 c7 c7 00 62 4e 8c 48 c7 c6 c0 62 4e 8c 48 c7 c2 a0 61 4e 8c b9 67 03 00 00 e8 f6 4f e0 07 90 <0f> 0b e8 5e 4f e3 07 4c 89 ff be 08 00 00 00 e8 81 0d 25 fe 4c 89
RSP: 0018:ffffc9000947f200 EFLAGS: 00010246
RAX: 0000000000000045 RBX: 00fff4000000402c RCX: ce5f98ed8775d800
RDX: ffffc90009db1000 RSI: 000000000000a34d RDI: 000000000000a34e
RBP: ffffc9000947f2d0 R08: ffffffff8173f339 R09: fffffbfff1cf9f90
R10: dffffc0000000000 R11: fffffbfff1cf9f90 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffea000165e580
FS:  00007f09de9d76c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020028000 CR3: 0000000069c84000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __extent_writepage fs/btrfs/extent_io.c:1597 [inline]
 extent_write_cache_pages fs/btrfs/extent_io.c:2251 [inline]
 btrfs_writepages+0x14d7/0x2760 fs/btrfs/extent_io.c:2373
 do_writepages+0x35d/0x870 mm/page-writeback.c:2683
 filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:397
 __filemap_fdatawrite_range mm/filemap.c:430 [inline]
 __filemap_fdatawrite mm/filemap.c:436 [inline]
 filemap_flush+0xdf/0x130 mm/filemap.c:463
 btrfs_remap_file_range_prep fs/btrfs/reflink.c:834 [inline]
 btrfs_remap_file_range+0x4ff/0x1230 fs/btrfs/reflink.c:880
 vfs_copy_file_range+0xc1f/0x1530 fs/read_write.c:1522
 __do_sys_copy_file_range fs/read_write.c:1612 [inline]
 __se_sys_copy_file_range+0x3f2/0x5d0 fs/read_write.c:1575
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09ddb779f9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f09de9d7048 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007f09ddd05f80 RCX: 00007f09ddb779f9
RDX: 0000000000000004 RSI: 00000000200001c0 RDI: 0000000000000005
RBP: 00007f09ddbe58ee R08: ffffffffa003e45b R09: 0700000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f09ddd05f80 R15: 00007ffe822300e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:btrfs_folio_end_all_writers+0x55b/0x610 fs/btrfs/subpage.c:871
Code: e9 d3 fb ff ff e8 15 86 bd fd 48 c7 c7 00 62 4e 8c 48 c7 c6 c0 62 4e 8c 48 c7 c2 a0 61 4e 8c b9 67 03 00 00 e8 f6 4f e0 07 90 <0f> 0b e8 5e 4f e3 07 4c 89 ff be 08 00 00 00 e8 81 0d 25 fe 4c 89
RSP: 0018:ffffc9000947f200 EFLAGS: 00010246
RAX: 0000000000000045 RBX: 00fff4000000402c RCX: ce5f98ed8775d800
RDX: ffffc90009db1000 RSI: 000000000000a34d RDI: 000000000000a34e
RBP: ffffc9000947f2d0 R08: ffffffff8173f339 R09: fffffbfff1cf9f90
R10: dffffc0000000000 R11: fffffbfff1cf9f90 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffea000165e580
FS:  00007f09de9d76c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020077000 CR3: 0000000069c84000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400