assertion failed: block_start != EXTENT_MAP_HOLE, in fs/btrfs/extent_io.c:1303 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent_io.c:1303! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 5894 Comm: syz-executor281 Not tainted 6.12.0-rc3-syzkaller-00183-g6efbea77b390 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:submit_one_sector fs/btrfs/extent_io.c:1303 [inline] RIP: 0010:extent_writepage_io+0xca2/0xd20 fs/btrfs/extent_io.c:1388 Code: fe 07 90 0f 0b e8 1e 28 d9 fd 48 c7 c7 80 0d 4d 8c 48 c7 c6 60 1b 4d 8c 48 c7 c2 20 0d 4d 8c b9 17 05 00 00 e8 5f f7 fe 07 90 <0f> 0b e8 f7 27 d9 fd eb 5f e8 f0 27 d9 fd 48 c7 c7 80 0d 4d 8c 48 RSP: 0018:ffffc9000a316ec0 EFLAGS: 00010246 RAX: 000000000000004e RBX: 0000000000001000 RCX: 5585b8c781635f00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000a317030 R08: ffffffff8174af9c R09: 1ffff92001462d74 R10: dffffc0000000000 R11: fffff52001462d75 R12: fffffffffffffffd R13: 0000000000007000 R14: dffffc0000000000 R15: ffffea0001b47900 FS: 00007f6a5ed046c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6a5ee25ef8 CR3: 000000004eb66000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: extent_writepage fs/btrfs/extent_io.c:1460 [inline] extent_write_cache_pages fs/btrfs/extent_io.c:2130 [inline] btrfs_writepages+0x11c4/0x2370 fs/btrfs/extent_io.c:2261 do_writepages+0x35d/0x870 mm/page-writeback.c:2683 filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:398 __filemap_fdatawrite_range mm/filemap.c:431 [inline] filemap_fdatawrite_range+0x11a/0x180 mm/filemap.c:449 btrfs_fdatawrite_range+0x53/0xe0 fs/btrfs/file.c:3827 btrfs_direct_write+0x565/0xa70 fs/btrfs/direct-io.c:961 btrfs_do_write_iter+0x2a0/0x760 fs/btrfs/file.c:1505 do_iter_readv_writev+0x600/0x880 vfs_writev+0x376/0xba0 fs/read_write.c:1064 do_pwritev fs/read_write.c:1165 [inline] __do_sys_pwritev2 fs/read_write.c:1224 [inline] __se_sys_pwritev2+0x1ca/0x2d0 fs/read_write.c:1215 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: 0033:0x7f6a5ed9c589 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 1f 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6a5ed04158 EFLAGS: 00000212 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007f6a5ee284a8 RCX: 00007f6a5ed9c589 RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000004 RBP: 00007f6a5ee284a0 R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000007800 R11: 0000000000000212 R12: 00007f6a5ee284ac R13: 000000000000006e R14: 00007ffe62d6ecb0 R15: 00007ffe62d6ed98 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:submit_one_sector fs/btrfs/extent_io.c:1303 [inline] RIP: 0010:extent_writepage_io+0xca2/0xd20 fs/btrfs/extent_io.c:1388 Code: fe 07 90 0f 0b e8 1e 28 d9 fd 48 c7 c7 80 0d 4d 8c 48 c7 c6 60 1b 4d 8c 48 c7 c2 20 0d 4d 8c b9 17 05 00 00 e8 5f f7 fe 07 90 <0f> 0b e8 f7 27 d9 fd eb 5f e8 f0 27 d9 fd 48 c7 c7 80 0d 4d 8c 48 RSP: 0018:ffffc9000a316ec0 EFLAGS: 00010246 RAX: 000000000000004e RBX: 0000000000001000 RCX: 5585b8c781635f00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000a317030 R08: ffffffff8174af9c R09: 1ffff92001462d74 R10: dffffc0000000000 R11: fffff52001462d75 R12: fffffffffffffffd R13: 0000000000007000 R14: dffffc0000000000 R15: ffffea0001b47900 FS: 00007f6a5ed046c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6a5ee25ef8 CR3: 000000004eb66000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400