CVE-2025-37893

The CVE-2025-37893 issue affects the Linux kernel’s LoongArch BPF JIT path. Debugging shows that when BPF programs mix bpf2bpf and tailcalls, build_prologue() can generate N instructions in the first pass and N+1 in the second, causing epilogue_offset to be off by one. This can cause the JITed ep...