Error checking for vsb allocation failure in VRT_synth_page() / VCL synthetic()

1daa9be9 · Nils Goroll · 8e5fd19d · 1daa9be9
Commit 1daa9be9 authored Sep 21, 2017 by Nils Goroll
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cache_vrt.c bin/varnishd/cache/cache_vrt.c +5 -1

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--- a/bin/varnishd/cache/cache_vrt.c
+++ b/bin/varnishd/cache/cache_vrt.c
@@ -438,7 +438,11 @@ VRT_synth_page(VRT_CTX, const char *str, ...)
 	while (p != vrt_magic_string_end) {
 		if (p == NULL)
 			p = "(null)";
-		VSB_cat(vsb, p);
+		if (VSB_cat(vsb, p)) {
+			VRT_fail(ctx, "synthetic(): %s",
+				 strerror(VSB_error(vsb)));
+			break;
+		}
 		p = va_arg(ap, const char *);
 	}
 	va_end(ap);