------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:236!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 688 Comm: syz-executor.0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:ext4_write_inline_data fs/ext4/inline.c:236 [inline]
RIP: 0010:ext4_write_inline_data_end+0xdc6/0xdd0 fs/ext4/inline.c:799
Code: fa ff ff 4c 89 f7 e8 09 a3 d0 ff e9 ff f9 ff ff e8 5f 27 92 ff 0f 0b e8 58 27 92 ff 0f 0b e8 51 27 92 ff 0f 0b e8 4a 27 92 ff <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54
RSP: 0018:ffffc9000178f0e0 EFLAGS: 00010293
RAX: ffffffff81d69766 RBX: 000000000000003c RCX: ffff88811a54e2c0
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000122000
RBP: ffffc9000178f230 R08: dffffc0000000000 R09: ffffed1021b22c4b
R10: ffffed1021b22c4b R11: 1ffff11021b22c4a R12: 0000000000122000
R13: dffffc0000000000 R14: ffff88812a277060 R15: dffffc0000000000
FS:  00007fe0e45d86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 000000010db01000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_da_write_end+0x1d8/0x9e0 fs/ext4/inode.c:3092
 generic_perform_write+0x34c/0x670 mm/filemap.c:3880
 ext4_buffered_write_iter+0x4ed/0x670 fs/ext4/file.c:270
 ext4_file_write_iter+0x18c/0x14c0 fs/ext4/file.c:664
 do_iter_readv_writev+0x491/0x600 fs/read_write.c:-1
 do_iter_write+0x1fa/0x7b0 fs/read_write.c:855
 vfs_iter_write+0x7d/0xa0 fs/read_write.c:896
 iter_file_splice_write+0x650/0xc30 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0xe9/0x120 fs/splice.c:936
 splice_direct_to_actor+0x4cd/0xb30 fs/splice.c:891
 do_splice_direct+0x1b3/0x2c0 fs/splice.c:979
 do_sendfile+0x5c6/0xeb0 fs/read_write.c:1249
 __do_sys_sendfile64 fs/read_write.c:1317 [inline]
 __se_sys_sendfile64 fs/read_write.c:1303 [inline]
 __x64_sys_sendfile64+0x18f/0x1f0 fs/read_write.c:1303
 x64_sys_call+0x88d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:41
 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: 0033:0x7fe0ecd76959
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:00007fe0e45d80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fe0ece96050 RCX: 00007fe0ecd76959
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007fe0ecdd2c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fe0ece96050 R15: 00007ffd4647abb8
 </TASK>
Modules linked in:
---[ end trace 40cf2badea4494b4 ]---
RIP: 0010:ext4_write_inline_data fs/ext4/inline.c:236 [inline]
RIP: 0010:ext4_write_inline_data_end+0xdc6/0xdd0 fs/ext4/inline.c:799
Code: fa ff ff 4c 89 f7 e8 09 a3 d0 ff e9 ff f9 ff ff e8 5f 27 92 ff 0f 0b e8 58 27 92 ff 0f 0b e8 51 27 92 ff 0f 0b e8 4a 27 92 ff <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54
RSP: 0018:ffffc9000178f0e0 EFLAGS: 00010293
RAX: ffffffff81d69766 RBX: 000000000000003c RCX: ffff88811a54e2c0
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000122000
RBP: ffffc9000178f230 R08: dffffc0000000000 R09: ffffed1021b22c4b
R10: ffffed1021b22c4b R11: 1ffff11021b22c4a R12: 0000000000122000
R13: dffffc0000000000 R14: ffff88812a277060 R15: dffffc0000000000
FS:  00007fe0e45d86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 000000010db01000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400