[compiler-rt] [sanitizer] Disable writes to log files for binaries in a secure context. (PR #92593)

[Florian Mayer via llvm-commits]

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@@ -104,6 +111,18 @@ void ReportFile::SetReportPath(const char *path) {
     }
   }
 
+#ifdef HAS_GETAUXVAL
+  if (getauxval(AT_SECURE) != 0 && path &&
+      internal_strcmp(path, "stderr") != 0 &&
+      internal_strcmp(path, "stdout") != 0) {
+    Report(
+        "ERROR: log_path must be 'stderr' or 'stdin' for AT_SECURE "
+        "(e.g. setuid binaries), is '%s\n",
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fmayer wrote:

nit: missing ' after %s

https://github.com/llvm/llvm-project/pull/92593