------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:236! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4536 Comm: syz.2.23 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 RIP: 0010:ext4_write_inline_data+0x340/0x350 fs/ext4/inline.c:236 Code: 07 fe c1 38 c1 0f 8c 3e ff ff ff 48 89 df 49 89 d4 e8 14 09 af ff 4c 89 e2 e9 2b ff ff ff e8 57 a5 5d ff 0f 0b e8 50 a5 5d ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 48 89 e5 41 57 RSP: 0018:ffffc90003657248 EFLAGS: 00010293 RAX: ffffffff8224c350 RBX: 000000000000003c RCX: ffff88802f3d5a00 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000048000 RBP: dffffc0000000000 R08: ffff88802aa9c417 R09: 1ffff11005553882 R10: dffffc0000000000 R11: ffffed1005553883 R12: 0000000000048000 R13: ffffc90003657320 R14: 0000000000047000 R15: ffff88806b066700 FS: 00007f32328e16c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000000057a CR3: 000000005f1da000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_inline_data_end+0x2f9/0xd50 fs/ext4/inline.c:803 generic_perform_write+0x393/0x5c0 mm/filemap.c:3873 ext4_buffered_write_iter+0x11a/0x380 fs/ext4/file.c:292 ext4_file_write_iter+0x1e3/0x17d0 fs/ext4/file.c:-1 do_iter_readv_writev fs/read_write.c:-1 [inline] do_iter_write+0x638/0xb10 fs/read_write.c:861 iter_file_splice_write+0x6be/0xcf0 fs/splice.c:685 do_splice_from fs/splice.c:763 [inline] direct_splice_actor+0xe1/0x130 fs/splice.c:950 splice_direct_to_actor+0x4b8/0xbd0 fs/splice.c:896 do_splice_direct+0x1ce/0x2f0 fs/splice.c:1002 do_sendfile+0x51b/0xe20 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64+0x141/0x1a0 fs/read_write.c:1309 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f32319a94d9 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:00007f32328e1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f3231c25fa0 RCX: 00007f32319a94d9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f3231a3804e R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3231c26038 R14: 00007f3231c25fa0 R15: 00007ffdc5ad3608 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_write_inline_data+0x340/0x350 fs/ext4/inline.c:236 Code: 07 fe c1 38 c1 0f 8c 3e ff ff ff 48 89 df 49 89 d4 e8 14 09 af ff 4c 89 e2 e9 2b ff ff ff e8 57 a5 5d ff 0f 0b e8 50 a5 5d ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 48 89 e5 41 57 RSP: 0018:ffffc90003657248 EFLAGS: 00010293 RAX: ffffffff8224c350 RBX: 000000000000003c RCX: ffff88802f3d5a00 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000048000 RBP: dffffc0000000000 R08: ffff88802aa9c417 R09: 1ffff11005553882 R10: dffffc0000000000 R11: ffffed1005553883 R12: 0000000000048000 R13: ffffc90003657320 R14: 0000000000047000 R15: ffff88806b066700 FS: 00007f32328e16c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000000057a CR3: 000000005f1da000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400