------------[ cut here ]------------
kernel BUG at fs/ext4/extents.c:3205!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3968 Comm: syz-executor.2 Not tainted 6.1.75-syzkaller-1150990-gdcb09569bbff #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:ext4_split_extent_at+0xc9a/0x11f0 fs/ext4/extents.c:3205
Code: ff e8 1a 6b 87 ff 48 89 df 48 8d b4 24 00 01 00 00 e8 9a 06 00 00 e9 35 fa ff ff b0 01 84 c0 0f 84 bd f5 ff ff e8 f6 6a 87 ff <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 66 f4 ff ff 48 89 df e8 dd
RSP: 0018:ffffc90001366e80 EFLAGS: 00010293
RAX: ffffffff81ecc3ea RBX: 0000000000000000 RCX: ffff88812ba3bcc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001366ff8 R08: ffffffff81ecb98b R09: ffffc90001366f80
R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
R13: 1ffff9200026cde8 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f91eb0fa6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007effd503f000 CR3: 000000012d857000 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+0xa36/0x1ca0 fs/ext4/inode.c:651
 ext4_iomap_alloc fs/ext4/inode.c:3427 [inline]
 ext4_iomap_begin+0x824/0xd10 fs/ext4/inode.c:3477
 iomap_iter+0x5c1/0xbf0 fs/iomap/iter.c:74
 __iomap_dio_rw+0xddc/0x20a0 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:557 [inline]
 ext4_file_write_iter+0x11a5/0x1570 fs/ext4/file.c:677
 call_write_iter include/linux/fs.h:2258 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x902/0xeb0 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:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f91ea47c959
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007f91eb0fa0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f91ea59c050 RCX: 00007f91ea47c959
RDX: 0000000000000012 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007f91ea4d8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f91ea59c050 R15: 00007ffc8f8d9818
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_split_extent_at+0xc9a/0x11f0 fs/ext4/extents.c:3205
Code: ff e8 1a 6b 87 ff 48 89 df 48 8d b4 24 00 01 00 00 e8 9a 06 00 00 e9 35 fa ff ff b0 01 84 c0 0f 84 bd f5 ff ff e8 f6 6a 87 ff <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 66 f4 ff ff 48 89 df e8 dd
RSP: 0018:ffffc90001366e80 EFLAGS: 00010293

RAX: ffffffff81ecc3ea RBX: 0000000000000000 RCX: ffff88812ba3bcc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001366ff8 R08: ffffffff81ecb98b R09: ffffc90001366f80
R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
R13: 1ffff9200026cde8 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f91eb0fa6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efdf959d988 CR3: 000000012d857000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400