1 files changed, 43 insertions, 0 deletions
diff --git a/net-misc/iputils/files/iputils-20200821-getrandom-fallback.patch b/net-misc/iputils/files/iputils-20200821-getrandom-fallback.patch
new file mode 100644
index 000000000000..5b69e5c88fb7
--- /dev/null
+++ b/net-misc/iputils/files/iputils-20200821-getrandom-fallback.patch
@@ -0,0 +1,43 @@
+From 469b41ac89b9f6772ea31df8379669d205be95f8 Mon Sep 17 00:00:00 2001
+From: Nuno Silva <nuno.m.ribeiro.silva@tecnico.ulisboa.pt>
+Date: Mon, 24 Aug 2020 19:34:53 +0100
+Subject: [PATCH] common: fix infinite loop when getrandom fails
+
+Fixes: https://github.com/iputils/iputils/issues/291
+---
+ iputils_common.c | 14 ++++++++++----
+ 1 file changed, 10 insertions(+), 4 deletions(-)
+
+diff --git a/iputils_common.c b/iputils_common.c
+index 58eacd0..c41f201 100644
+--- a/iputils_common.c
++++ b/iputils_common.c
+@@ -98,18 +98,24 @@ static unsigned int iputil_srand_fallback(void)
+ void iputils_srand(void)
+ {
+ 	unsigned int i;
++
+ #if HAVE_GETRANDOM
+ 	ssize_t ret;
+ 
+-	while ((ret = getrandom(&i, sizeof(i), GRND_NONBLOCK)) != sizeof(i)) {
+-		switch(errno) {
++	do {
++		errno = 0;
++		ret = getrandom(&i, sizeof(i), GRND_NONBLOCK);
++		switch (errno) {
++		case 0:
++			break;
+ 		case EINTR:
+ 			continue;
+ 		default:
+ 			i = iputil_srand_fallback();
+-			break;
++			goto done;
+ 		}
+-	}
++	} while (ret != sizeof(i));
++ done:
+ #else
+ 	i = iputil_srand_fallback();
+ #endif