assertion failed: block_start != EXTENT_MAP_HOLE, in fs/btrfs/extent_io.c:1562
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent_io.c:1562!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 8131 Comm: syz.0.82 Not tainted 6.15.0-rc5-syzkaller-g92a09c47464d #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
RIP: 0010:submit_one_sector fs/btrfs/extent_io.c:1562 [inline]
RIP: 0010:extent_writepage_io+0xe03/0xeb0 fs/btrfs/extent_io.c:1651
Code: 61 fd 90 0f 0b e8 ed 26 fa fd 48 c7 c7 80 98 ad 8b 48 c7 c6 c0 a7 ad 8b 48 c7 c2 20 98 ad 8b b9 1a 06 00 00 e8 4e e4 61 fd 90 <0f> 0b e8 c6 26 fa fd 48 8b 7c 24 28 48 c7 c6 c0 9c ad 8b e8 95 37
RSP: 0018:ffffc9000e3c6fc0 EFLAGS: 00010246
RAX: 000000000000004e RBX: ffffea0001c6e508 RCX: 424fb343de3c5300
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000e3c7150 R08: ffffc9000e3c6ca7 R09: 1ffff92001c78d94
R10: dffffc0000000000 R11: fffff52001c78d95 R12: dffffc0000000000
R13: 0000000000007000 R14: 0000000000000fff R15: fffffffffffffffd
FS:  00007f9b8d5076c0(0000) GS:ffff8881260fd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002096c000 CR3: 00000000638ba000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 extent_writepage fs/btrfs/extent_io.c:1763 [inline]
 extent_write_cache_pages fs/btrfs/extent_io.c:2422 [inline]
 btrfs_writepages+0x1466/0x2170 fs/btrfs/extent_io.c:2555
 do_writepages+0x3ae/0x7b0 mm/page-writeback.c:2656
 filemap_fdatawrite_wbc mm/filemap.c:386 [inline]
 __filemap_fdatawrite_range mm/filemap.c:419 [inline]
 filemap_fdatawrite_range+0x19d/0x240 mm/filemap.c:437
 btrfs_fdatawrite_range+0x54/0xf0 fs/btrfs/file.c:3706
 btrfs_direct_write+0x637/0xb10 fs/btrfs/direct-io.c:977
 btrfs_do_write_iter+0x25f/0x710 fs/btrfs/file.c:1380
 do_iter_readv_writev+0x56b/0x7f0 fs/read_write.c:-1
 vfs_writev+0x306/0x9a0 fs/read_write.c:1055
 do_pwritev fs/read_write.c:1151 [inline]
 __do_sys_pwritev2 fs/read_write.c:1209 [inline]
 __se_sys_pwritev2+0x179/0x290 fs/read_write.c:1200
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9b8c77dff9
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:00007f9b8d507038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007f9b8c936130 RCX: 00007f9b8c77dff9
RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000004
RBP: 00007f9b8c7f0296 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000007800 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f9b8c936130 R15: 00007ffdbf7f0078
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:submit_one_sector fs/btrfs/extent_io.c:1562 [inline]
RIP: 0010:extent_writepage_io+0xe03/0xeb0 fs/btrfs/extent_io.c:1651
Code: 61 fd 90 0f 0b e8 ed 26 fa fd 48 c7 c7 80 98 ad 8b 48 c7 c6 c0 a7 ad 8b 48 c7 c2 20 98 ad 8b b9 1a 06 00 00 e8 4e e4 61 fd 90 <0f> 0b e8 c6 26 fa fd 48 8b 7c 24 28 48 c7 c6 c0 9c ad 8b e8 95 37
RSP: 0018:ffffc9000e3c6fc0 EFLAGS: 00010246
RAX: 000000000000004e RBX: ffffea0001c6e508 RCX: 424fb343de3c5300
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000e3c7150 R08: ffffc9000e3c6ca7 R09: 1ffff92001c78d94
R10: dffffc0000000000 R11: fffff52001c78d95 R12: dffffc0000000000
R13: 0000000000007000 R14: 0000000000000fff R15: fffffffffffffffd
FS:  00007f9b8d5076c0(0000) GS:ffff8881260fd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002096c000 CR3: 00000000638ba000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400