------------[ cut here ]------------
kernel BUG at fs/ext4/ext4_extents.h:200!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2200 Comm: syz-executor.1 Tainted: G        W          6.1.25-syzkaller-00071-gb1644a0031cf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:ext4_ext_mark_unwritten fs/ext4/ext4_extents.h:200 [inline]
RIP: 0010:ext4_split_extent_at+0x11d9/0x11f0 fs/ext4/extents.c:3222
Code: bf ce ff 4c 8b 7c 24 18 48 8b 74 24 38 e9 b5 f9 ff ff e8 7a c8 89 ff 0f 0b e8 73 c8 89 ff 0f 0b e8 7c fb 01 03 e8 67 c8 89 ff <0f> 0b e8 60 c8 89 ff 0f 0b e8 59 c8 89 ff 0f 0b 0f 1f 80 00 00 00
RSP: 0018:ffffc90001f6ee60 EFLAGS: 00010293
RAX: ffffffff81e86069 RBX: 0000000000000000 RCX: ffff888116df3240
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001f6efd8 R08: ffffffff81e853b2 R09: ffffed10226d45e4
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88812cfd3010 R14: 0000000000000000 R15: ffff888124b12a28
FS:  00007f89c4143700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe9828d6000 CR3: 000000010d83a000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_split_extent+0x370/0x4e0 fs/ext4/extents.c:3385
 ext4_split_convert_extents fs/ext4/extents.c:3714 [inline]
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3876 [inline]
 ext4_ext_map_blocks+0x211e/0x71e0 fs/ext4/extents.c:4168
 ext4_map_blocks+0xa42/0x1ce0 fs/ext4/inode.c:651
 ext4_iomap_alloc fs/ext4/inode.c:3421 [inline]
 ext4_iomap_begin+0x824/0xd10 fs/ext4/inode.c:3471
 iomap_iter+0x5b1/0xbe0 fs/iomap/iter.c:74
 __iomap_dio_rw+0xdec/0x20b0 fs/iomap/direct-io.c:601
 iomap_dio_rw+0x41/0x90 fs/iomap/direct-io.c:690
 ext4_dio_write_iter fs/ext4/file.c:587 [inline]
 ext4_file_write_iter+0x1123/0x1cf0 fs/ext4/file.c:698
 call_write_iter include/linux/fs.h:2205 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x893/0xe30 fs/read_write.c:584
 ksys_write+0x199/0x2c0 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:646
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f89c348c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f89c4143168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f89c35ac050 RCX: 00007f89c348c169
RDX: 0000000000000012 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007f89c34e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc12e7b80f R14: 00007f89c4143300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_ext_mark_unwritten fs/ext4/ext4_extents.h:200 [inline]
RIP: 0010:ext4_split_extent_at+0x11d9/0x11f0 fs/ext4/extents.c:3222
Code: bf ce ff 4c 8b 7c 24 18 48 8b 74 24 38 e9 b5 f9 ff ff e8 7a c8 89 ff 0f 0b e8 73 c8 89 ff 0f 0b e8 7c fb 01 03 e8 67 c8 89 ff <0f> 0b e8 60 c8 89 ff 0f 0b e8 59 c8 89 ff 0f 0b 0f 1f 80 00 00 00
RSP: 0018:ffffc90001f6ee60 EFLAGS: 00010293

RAX: ffffffff81e86069 RBX: 0000000000000000 RCX: ffff888116df3240
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001f6efd8 R08: ffffffff81e853b2 R09: ffffed10226d45e4
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88812cfd3010 R14: 0000000000000000 R15: ffff888124b12a28
FS:  00007f89c4143700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f37a0f66000 CR3: 000000010d83a000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400