------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:240!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 7655 Comm: syz.8.255 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:ext4_write_inline_data+0x429/0x430 fs/ext4/inline.c:240
Code: c1 38 c1 0f 8c 1b ff ff ff 48 89 df 49 89 d4 e8 7d 2a af ff 4c 89 e2 e9 08 ff ff ff e8 30 b7 45 ff 90 0f 0b e8 28 b7 45 ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003b87388 EFLAGS: 00010283
RAX: ffffffff82802238 RBX: 0000000000002000 RCX: 0000000000080000
RDX: ffffc90012c1c000 RSI: 00000000000010e4 RDI: 00000000000010e5
RBP: ffff88804035959a R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1004168081 R12: 000000000000003c
R13: ffffc90003b87460 R14: 0000000000001000 R15: ffff888040358e88
FS:  00007f637ee166c0(0000) GS:ffff888125c3e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8db0415800 CR3: 000000003849c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 ext4_write_inline_data_end+0x33e/0xae0 fs/ext4/inline.c:825
 generic_perform_write+0x5f8/0x8b0 mm/filemap.c:4379
 ext4_buffered_write_iter+0xcc/0x370 fs/ext4/file.c:316
 ext4_file_write_iter+0x94b/0x1c90 fs/ext4/file.c:-1
 iter_file_splice_write+0xa36/0x1240 fs/splice.c:736
 do_splice_from fs/splice.c:936 [inline]
 direct_splice_actor+0x104/0x160 fs/splice.c:1159
 splice_direct_to_actor+0x586/0xcc0 fs/splice.c:1103
 do_splice_direct_actor fs/splice.c:1202 [inline]
 do_splice_direct+0x19b/0x2a0 fs/splice.c:1228
 do_sendfile+0x540/0x7e0 fs/read_write.c:1371
 __do_sys_sendfile64 fs/read_write.c:1432 [inline]
 __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1418
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6380bbe0d9
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:00007f637ee16028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f6380e45fa0 RCX: 00007f6380bbe0d9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007f6380c55024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6380e46038 R14: 00007f6380e45fa0 R15: 00007ffd3c216ea8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_write_inline_data+0x429/0x430 fs/ext4/inline.c:240
Code: c1 38 c1 0f 8c 1b ff ff ff 48 89 df 49 89 d4 e8 7d 2a af ff 4c 89 e2 e9 08 ff ff ff e8 30 b7 45 ff 90 0f 0b e8 28 b7 45 ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003b87388 EFLAGS: 00010283
RAX: ffffffff82802238 RBX: 0000000000002000 RCX: 0000000000080000
RDX: ffffc90012c1c000 RSI: 00000000000010e4 RDI: 00000000000010e5
RBP: ffff88804035959a R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1004168081 R12: 000000000000003c
R13: ffffc90003b87460 R14: 0000000000001000 R15: ffff888040358e88
FS:  00007f637ee166c0(0000) GS:ffff888125c3e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8db0415800 CR3: 000000003849c000 CR4: 00000000003526f0