CVE-2025-38528 bpf: Reject %p% format string in bprintf-like helpers

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject %p% format string in bprintf-like helpers static const char fmt = "%p%"; bpftraceprintkfmt, sizeoffmt; The above BPF program isn't rejected and causes a kernel warning at runtime: Please remove unsupported %\x00 in...