X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fsignal%2Fsigaddset.c;h=edb48d1c344c4b585bb885743208ea3fbaae8a3d;hb=8389520ed5ad6f0033d6426e21ef653fa5ca26a4;hp=23e655dbf1ca1aa97f896e323e442696e3e7ff70;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/signal/sigaddset.c b/src/signal/sigaddset.c
index 23e655db..edb48d1c 100644
--- a/src/signal/sigaddset.c
+++ b/src/signal/sigaddset.c
@@ -4,7 +4,7 @@
 int sigaddset(sigset_t *set, int sig)
 {
 	unsigned s = sig-1;
-	if (s >= 8*sizeof(sigset_t)) {
+	if (s >= 8*sizeof(sigset_t) || sig-32U<3) {
 		errno = EINVAL;
 		return -1;
 	}