------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:240!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 6608 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:ext4_write_inline_data+0x40b/0x4f0 fs/ext4/inline.c:240
Code: fe e8 69 e9 3a ff 42 8d 44 23 c4 bb 3c 00 00 00 89 44 24 08 44 29 e3 e9 aa fe ff ff e8 4e e9 3a ff 90 0f 0b e8 46 e9 3a ff 90 <0f> 0b e8 3e e9 3a ff 48 8d 3d 27 a9 10 0e 48 c7 c2 a0 06 cd 8b 4c
RSP: 0018:ffffc900041574d8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff82cd7efb
RDX: ffff88801fbc9ec0 RSI: ffffffff82cd811a RDI: ffff88801fbc9ec0
RBP: ffff8880716c72b8 R08: 0000000000000006 R09: 0000000000000080
R10: 000000000000007f R11: 0000000000000000 R12: 000000000000007f
R13: 0000000000000080 R14: ffffc90004157578 R15: ffff8880716c784a
FS:  00007f91cb4356c0(0000) GS:ffff888124479000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1907f9b000 CR3: 00000000362b9000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 ext4_write_inline_data_end+0x2a8/0xdb0 fs/ext4/inline.c:825
 ext4_da_write_end+0x533/0xe80 fs/ext4/inode.c:3304
 generic_perform_write+0x513/0xa40 mm/filemap.c:4346
 ext4_buffered_write_iter+0xdc/0x3f0 fs/ext4/file.c:316
 ext4_file_write_iter+0xa2f/0x1cf0 fs/ext4/file.c:735
 iter_file_splice_write+0x830/0x10a0 fs/splice.c:736
 do_splice_from fs/splice.c:936 [inline]
 direct_splice_actor+0x192/0x6c0 fs/splice.c:1159
 splice_direct_to_actor+0x345/0xa30 fs/splice.c:1103
 do_splice_direct_actor fs/splice.c:1202 [inline]
 do_splice_direct+0x174/0x240 fs/splice.c:1228
 do_sendfile+0xadc/0xe20 fs/read_write.c:1372
 __do_sys_sendfile64 fs/read_write.c:1433 [inline]
 __se_sys_sendfile64 fs/read_write.c:1419 [inline]
 __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1419
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f91ca59a379
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f91cb435028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f91ca7d5fa0 RCX: 00007f91ca59a379
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f91ca62dd68 R08: 0000000000000000 R09: 0000000000000000
R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f91ca7d6038 R14: 00007f91ca7d5fa0 R15: 00007ffc0b9e4788
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_write_inline_data+0x40b/0x4f0 fs/ext4/inline.c:240
Code: fe e8 69 e9 3a ff 42 8d 44 23 c4 bb 3c 00 00 00 89 44 24 08 44 29 e3 e9 aa fe ff ff e8 4e e9 3a ff 90 0f 0b e8 46 e9 3a ff 90 <0f> 0b e8 3e e9 3a ff 48 8d 3d 27 a9 10 0e 48 c7 c2 a0 06 cd 8b 4c
RSP: 0018:ffffc900041574d8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff82cd7efb
RDX: ffff88801fbc9ec0 RSI: ffffffff82cd811a RDI: ffff88801fbc9ec0
RBP: ffff8880716c72b8 R08: 0000000000000006 R09: 0000000000000080
R10: 000000000000007f R11: 0000000000000000 R12: 000000000000007f
R13: 0000000000000080 R14: ffffc90004157578 R15: ffff8880716c784a
FS:  00007f91cb4356c0(0000) GS:ffff888124379000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5489bc0eb8 CR3: 00000000362b9000 CR4: 0000000000350ef0