Hello, syzbot found the following issue on: HEAD commit: d4b0fd87ff0d Add linux-next specific files for 20250221 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=17a5bae4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=76d7299d72819017 dashboard link: https://syzkaller.appspot.com/bug?extid=06fd1a3613c50d36129e compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+06fd1a3613c50d36129e@xxxxxxxxxxxxxxxxxxxxxxxxx <stdin>:4:15: error: use of undeclared identifier '__ref_stack_chk_guard' --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup