[compiler-rt] [compiler-rt][rtsan] adding Linux's clone call interception. (PR #130423)

[via llvm-commits]

================
@@ -1361,6 +1361,31 @@ INTERCEPTOR(int, execve, const char *filename, char *const argv[],
   return REAL(execve)(filename, argv, envp);
 }
 
+#if SANITIZER_GLIBC
+INTERCEPTOR(int, clone, int (*f)(void *), void *stack, int flags, void *arg,
+            ...) {
+  __rtsan_notify_intercepted_call("clone");
+
+  if ((flags & CLONE_PIDFD) || (flags & CLONE_SETTLS) ||
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davidtrevelyan wrote:

This branch does not appear to be under test - is there any reason why that is difficult?

https://github.com/llvm/llvm-project/pull/130423