------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:240!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 6756 Comm: syz.4.175 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:ext4_write_inline_data+0x43c/0x440 fs/ext4/inline.c:240
Code: c1 38 c1 0f 8c 19 ff ff ff 48 89 df 49 89 d7 e8 ea 7c b0 ff 4c 89 fa e9 06 ff ff ff e8 2d c8 4a ff 90 0f 0b e8 25 c8 4a ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f
RSP: 0018:ffffc9000bb7f828 EFLAGS: 00010293
RAX: ffffffff82753bcb RBX: 0000000000000080 RCX: ffff88802c268000
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000080
RBP: ffff88806263f122 R08: ffff888020f68387 R09: 1ffff110041ed070
R10: dffffc0000000000 R11: ffffed10041ed071 R12: 000000000000003c
R13: ffffc9000bb7f8e0 R14: 0000000000000008 R15: ffff88806263ebc8
FS:  00007f14d5ec46c0(0000) GS:ffff88812623e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000130 CR3: 0000000078f71000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 ext4_write_inline_data_end+0x336/0xab0 fs/ext4/inline.c:807
 generic_perform_write+0x62a/0x900 mm/filemap.c:4263
 ext4_buffered_write_iter+0xce/0x3a0 fs/ext4/file.c:299
 ext4_file_write_iter+0x298/0x1bc0 fs/ext4/file.c:-1
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x5c9/0xb30 fs/read_write.c:686
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f14d4f8efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f14d5ec4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f14d51e5fa0 RCX: 00007f14d4f8efc9
RDX: 0000000000000078 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007f14d5011f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f14d51e6038 R14: 00007f14d51e5fa0 R15: 00007ffcdd110328
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_write_inline_data+0x43c/0x440 fs/ext4/inline.c:240
Code: c1 38 c1 0f 8c 19 ff ff ff 48 89 df 49 89 d7 e8 ea 7c b0 ff 4c 89 fa e9 06 ff ff ff e8 2d c8 4a ff 90 0f 0b e8 25 c8 4a ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f
RSP: 0018:ffffc9000bb7f828 EFLAGS: 00010293
RAX: ffffffff82753bcb RBX: 0000000000000080 RCX: ffff88802c268000
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000080
RBP: ffff88806263f122 R08: ffff888020f68387 R09: 1ffff110041ed070
R10: dffffc0000000000 R11: ffffed10041ed071 R12: 000000000000003c
R13: ffffc9000bb7f8e0 R14: 0000000000000008 R15: ffff88806263ebc8
FS:  00007f14d5ec46c0(0000) GS:ffff88812623e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f40f704c000 CR3: 0000000078f71000 CR4: 0000000000350ef0