------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:240! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 6595 Comm: syz.3.20 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:ext4_write_inline_data+0x423/0x510 fs/ext4/inline.c:240 Code: 43 ff e8 c0 15 43 ff b8 3c 00 00 00 42 8d 6c 25 c4 44 29 e0 4c 63 f0 e9 a0 fe ff ff e8 a6 15 43 ff 90 0f 0b e8 9e 15 43 ff 90 <0f> 0b e8 96 15 43 ff c6 05 1a ff f0 0d 01 90 48 8b 4c 24 08 48 c7 RSP: 0018:ffffc9000433f4d0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880564f4588 RCX: ffffffff8279cfb2 RDX: ffff88802cdc9e40 RSI: ffffffff8279d1e2 RDI: 0000000000000006 RBP: 0000000000000001 R08: 0000000000000006 R09: 000000000000004c R10: 000000000000004b R11: 0000000000000001 R12: 000000000000004b R13: ffffc9000433f570 R14: 000000000000004c R15: ffff8880564f4ae2 FS: 00007fbe5121a6c0(0000) GS:ffff888124a06000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00891e000 CR3: 00000000623fb000 CR4: 0000000000350ef0 Call Trace: ext4_write_inline_data_end+0x2ac/0xcb0 fs/ext4/inline.c:807 ext4_da_write_end+0xb9d/0xf00 fs/ext4/inode.c:3285 generic_perform_write+0x266/0x900 mm/filemap.c:4275 ext4_buffered_write_iter+0x119/0x440 fs/ext4/file.c:299 ext4_file_write_iter+0xa4c/0x1d10 fs/ext4/file.c:723 iter_file_splice_write+0xa24/0x12e0 fs/splice.c:738 do_splice_from fs/splice.c:938 [inline] direct_splice_actor+0x192/0x6c0 fs/splice.c:1161 splice_direct_to_actor+0x345/0xa30 fs/splice.c:1105 do_splice_direct_actor fs/splice.c:1204 [inline] do_splice_direct+0x174/0x240 fs/splice.c:1230 do_sendfile+0xb06/0xe50 fs/read_write.c:1370 __do_sys_sendfile64 fs/read_write.c:1431 [inline] __se_sys_sendfile64 fs/read_write.c:1417 [inline] __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1417 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbe5038ebe9 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:00007fbe5121a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fbe505b5fa0 RCX: 00007fbe5038ebe9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007fbe50411e19 R08: 0000000000000000 R09: 0000000000000000 R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fbe505b6038 R14: 00007fbe505b5fa0 R15: 00007ffe78deeeb8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_write_inline_data+0x423/0x510 fs/ext4/inline.c:240 Code: 43 ff e8 c0 15 43 ff b8 3c 00 00 00 42 8d 6c 25 c4 44 29 e0 4c 63 f0 e9 a0 fe ff ff e8 a6 15 43 ff 90 0f 0b e8 9e 15 43 ff 90 <0f> 0b e8 96 15 43 ff c6 05 1a ff f0 0d 01 90 48 8b 4c 24 08 48 c7 RSP: 0018:ffffc9000433f4d0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880564f4588 RCX: ffffffff8279cfb2 RDX: ffff88802cdc9e40 RSI: ffffffff8279d1e2 RDI: 0000000000000006 RBP: 0000000000000001 R08: 0000000000000006 R09: 000000000000004c R10: 000000000000004b R11: 0000000000000001 R12: 000000000000004b R13: ffffc9000433f570 R14: 000000000000004c R15: ffff8880564f4ae2 FS: 00007fbe5121a6c0(0000) GS:ffff888124b06000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcaa3183ad8 CR3: 00000000623fb000 CR4: 0000000000350ef0