------------[ cut here ]------------
kernel BUG at fs/ext4/ext4_extents.h:199!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1799 Comm: syz-executor.0 Not tainted 5.10.222-syzkaller-1003210-gfd58936f3c1f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:ext4_ext_mark_unwritten fs/ext4/ext4_extents.h:199 [inline]
RIP: 0010:ext4_split_extent_at+0x10f4/0x1110 fs/ext4/extents.c:3193
Code: ca cf ff 48 8b 74 24 68 48 8b 54 24 40 e9 42 fa ff ff e8 df 33 92 ff 0f 0b e8 d8 33 92 ff 0f 0b e8 61 41 d4 02 e8 cc 33 92 ff <0f> 0b e8 c5 33 92 ff 0f 0b e8 be 33 92 ff 0f 0b 66 2e 0f 1f 84 00
RSP: 0018:ffffc900037e6e60 EFLAGS: 00010293
RAX: ffffffff81d87534 RBX: 0000000000000000 RCX: ffff88811d7b4f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900037e6fd8 R08: ffffffff81d868e5 R09: ffffed1024115ad3
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881106ef200
R13: ffff88811dfd2010 R14: 0000000000000000 R15: 0000000000000004
FS:  00007fdfef79a6c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002003f000 CR3: 000000011a09e000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_split_extent+0x370/0x4e0 fs/ext4/extents.c:3357
 ext4_split_convert_extents fs/ext4/extents.c:3685 [inline]
 ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3847 [inline]
 ext4_ext_map_blocks+0x2206/0x6ee0 fs/ext4/extents.c:4202
 ext4_map_blocks+0xa65/0x1d10 fs/ext4/inode.c:644
 ext4_iomap_alloc fs/ext4/inode.c:3489 [inline]
 ext4_iomap_begin+0x798/0xbb0 fs/ext4/inode.c:3539
 iomap_apply+0x116/0x8a0 fs/iomap/apply.c:46
 __iomap_dio_rw+0x767/0x10f0 fs/iomap/direct-io.c:525
 iomap_dio_rw+0x35/0x80 fs/iomap/direct-io.c:613
 ext4_dio_write_iter fs/ext4/file.c:573 [inline]
 ext4_file_write_iter+0x10d2/0x1c80 fs/ext4/file.c:683
 call_write_iter include/linux/fs.h:2021 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0xb4c/0xe70 fs/read_write.c:605
 ksys_write+0x199/0x2c0 fs/read_write.c:658
 __do_sys_write fs/read_write.c:670 [inline]
 __se_sys_write fs/read_write.c:667 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:667
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fdff7ff8959
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:00007fdfef79a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fdff8118050 RCX: 00007fdff7ff8959
RDX: 0000000000000012 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007fdff8054c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fdff8118050 R15: 00007fffc237a148
Modules linked in:
---[ end trace 7ae76ab03e98de61 ]---
RIP: 0010:ext4_ext_mark_unwritten fs/ext4/ext4_extents.h:199 [inline]
RIP: 0010:ext4_split_extent_at+0x10f4/0x1110 fs/ext4/extents.c:3193
Code: ca cf ff 48 8b 74 24 68 48 8b 54 24 40 e9 42 fa ff ff e8 df 33 92 ff 0f 0b e8 d8 33 92 ff 0f 0b e8 61 41 d4 02 e8 cc 33 92 ff <0f> 0b e8 c5 33 92 ff 0f 0b e8 be 33 92 ff 0f 0b 66 2e 0f 1f 84 00
RSP: 0018:ffffc900037e6e60 EFLAGS: 00010293
RAX: ffffffff81d87534 RBX: 0000000000000000 RCX: ffff88811d7b4f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900037e6fd8 R08: ffffffff81d868e5 R09: ffffed1024115ad3
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881106ef200
R13: ffff88811dfd2010 R14: 0000000000000000 R15: 0000000000000004
FS:  00007fdfef79a6c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002003f000 CR3: 000000011a09e000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400