------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:301!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 606 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:ext4_create_inline_data+0x416/0x420 fs/ext4/inline.c:301
Code: ff ff e8 1d 28 d1 ff e9 0f ff ff ff 89 f9 80 e1 07 fe c1 38 c1 0f 8c 26 ff ff ff e8 04 28 d1 ff e9 1c ff ff ff e8 4a 70 95 ff <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 53 48 89 fb
RSP: 0018:ffffc90000f47400 EFLAGS: 00010293
RAX: ffffffff81d17d26 RBX: 0000000000000000 RCX: ffff88810f3cc400
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000f47530 R08: 0000000000000000 R09: ffffed1025e228ad
R10: ffffed1025e228ad R11: 1ffff11025e228ac R12: ffff88812f114628
R13: 1ffff920001e8e84 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007fed984406c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fed9841fd58 CR3: 000000012ae82000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_prepare_inline_data+0x16c/0x1f0 fs/ext4/inline.c:412
 ext4_try_to_write_inline_data+0x317/0x1110 fs/ext4/inline.c:690
 ext4_write_begin+0x1f2/0xfe0 fs/ext4/inode.c:1181
 generic_perform_write+0x2a7/0x510 mm/filemap.c:3785
 ext4_buffered_write_iter+0x4ed/0x670 fs/ext4/file.c:268
 ext4_file_write_iter+0x458/0x14f0 include/linux/fs.h:-1
 call_write_iter include/linux/fs.h:2172 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x7b4/0xec0 fs/read_write.c:594
 ksys_write+0x140/0x240 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 x64_sys_call+0x8ef/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fed985cfbe9
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:00007fed98440038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fed98806fa0 RCX: 00007fed985cfbe9
RDX: 0000000000000012 RSI: 0000200000000100 RDI: 0000000000000004
RBP: 00007fed98652e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fed98807038 R14: 00007fed98806fa0 R15: 00007fffe85f8f08
 </TASK>
Modules linked in:
---[ end trace 76ff39912d3eeab2 ]---
RIP: 0010:ext4_create_inline_data+0x416/0x420 fs/ext4/inline.c:301
Code: ff ff e8 1d 28 d1 ff e9 0f ff ff ff 89 f9 80 e1 07 fe c1 38 c1 0f 8c 26 ff ff ff e8 04 28 d1 ff e9 1c ff ff ff e8 4a 70 95 ff <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 53 48 89 fb
RSP: 0018:ffffc90000f47400 EFLAGS: 00010293
RAX: ffffffff81d17d26 RBX: 0000000000000000 RCX: ffff88810f3cc400
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000f47530 R08: 0000000000000000 R09: ffffed1025e228ad
R10: ffffed1025e228ad R11: 1ffff11025e228ac R12: ffff88812f114628
R13: 1ffff920001e8e84 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007fed984406c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fed9841fd58 CR3: 000000012ae82000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400