From: Andrey Sokolov <keremet@altlinux.org>
Date: Thu, 21 Oct 2021 06:01:07 +0000 (+0300)
Subject: fix(install): segfault on popen error
X-Git-Tag: 056~87
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5c2f72f152ec319a8001d1ff0bfd1f81a9130b04;p=thirdparty%2Fdracut.git

fix(install): segfault on popen error
---

diff --git a/src/install/dracut-install.c b/src/install/dracut-install.c
index 4ec65a5a5..9a53be158 100644
--- a/src/install/dracut-install.c
+++ b/src/install/dracut-install.c
@@ -550,6 +550,10 @@ static int resolve_deps(const char *src)
         ret = 0;
 
         fptr = popen(cmd, "r");
+        if (fptr == NULL) {
+                log_error("Error '%s' initiating pipe stream from '%s'", strerror(errno), cmd);
+                exit(EXIT_FAILURE);
+        }
 
         while (!feof(fptr)) {
                 char *p;