assertion failed: block_start != EXTENT_MAP_HOLE :: 0, in fs/btrfs/extent_io.c:1522
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent_io.c:1522!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 1166 Comm: kworker/u8:7 Not tainted 6.15.0-syzkaller-10820-gcd2e103d57e5 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events_unbound btrfs_async_reclaim_metadata_space
RIP: 0010:submit_one_sector fs/btrfs/extent_io.c:1522 [inline]
RIP: 0010:extent_writepage_io+0xe28/0xf30 fs/btrfs/extent_io.c:1611
Code: 0f 0b e8 5b 31 f5 fd 48 c7 c7 00 05 ce 8b 48 c7 c6 20 16 ce 8b 31 d2 48 c7 c1 a0 04 ce 8b 41 b8 f2 05 00 00 e8 a9 81 5c fd 90 <0f> 0b e8 31 31 f5 fd 48 8b 7c 24 20 48 c7 c6 e0 09 ce 8b e8 60 c8
RSP: 0018:ffffc90003d4ee20 EFLAGS: 00010246
RAX: 0000000000000053 RBX: ffffea000166f688 RCX: 1d0bf0f234177800
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003d4efb0 R08: ffffc90003d4eb47 R09: 1ffff920007a9d68
R10: dffffc0000000000 R11: fffff520007a9d69 R12: dffffc0000000000
R13: 0000000000007000 R14: 0000000000000fff R15: fffffffffffffffd
FS:  0000000000000000(0000) GS:ffff888125d95000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005616512575f8 CR3: 00000000349a4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 extent_writepage fs/btrfs/extent_io.c:1723 [inline]
 extent_write_cache_pages fs/btrfs/extent_io.c:2403 [inline]
 btrfs_writepages+0x1491/0x21a0 fs/btrfs/extent_io.c:2536
 do_writepages+0x32b/0x550 mm/page-writeback.c:2636
 filemap_fdatawrite_wbc+0xdd/0x140 mm/filemap.c:386
 start_delalloc_inodes+0x731/0xb30 fs/btrfs/inode.c:8669
 btrfs_start_delalloc_roots+0x588/0x820 fs/btrfs/inode.c:8746
 shrink_delalloc fs/btrfs/space-info.c:726 [inline]
 flush_space+0x658/0xcd0 fs/btrfs/space-info.c:836
 do_async_reclaim_metadata_space+0x144/0x390 fs/btrfs/space-info.c:1158
 btrfs_async_reclaim_metadata_space+0x89/0xe0 fs/btrfs/space-info.c:1226
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
 kthread+0x711/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:submit_one_sector fs/btrfs/extent_io.c:1522 [inline]
RIP: 0010:extent_writepage_io+0xe28/0xf30 fs/btrfs/extent_io.c:1611
Code: 0f 0b e8 5b 31 f5 fd 48 c7 c7 00 05 ce 8b 48 c7 c6 20 16 ce 8b 31 d2 48 c7 c1 a0 04 ce 8b 41 b8 f2 05 00 00 e8 a9 81 5c fd 90 <0f> 0b e8 31 31 f5 fd 48 8b 7c 24 20 48 c7 c6 e0 09 ce 8b e8 60 c8
RSP: 0018:ffffc90003d4ee20 EFLAGS: 00010246
RAX: 0000000000000053 RBX: ffffea000166f688 RCX: 1d0bf0f234177800
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003d4efb0 R08: ffffc90003d4eb47 R09: 1ffff920007a9d68
R10: dffffc0000000000 R11: fffff520007a9d69 R12: dffffc0000000000
R13: 0000000000007000 R14: 0000000000000fff R15: fffffffffffffffd
FS:  0000000000000000(0000) GS:ffff888125c95000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2d03761160 CR3: 00000000223c8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400