diff options
Diffstat (limited to 'gaiconf_init-Avoid-double-free-in-label-and-preceden.patch')
| -rw-r--r-- | gaiconf_init-Avoid-double-free-in-label-and-preceden.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gaiconf_init-Avoid-double-free-in-label-and-preceden.patch b/gaiconf_init-Avoid-double-free-in-label-and-preceden.patch new file mode 100644 index 0000000..7ebc183 --- /dev/null +++ b/gaiconf_init-Avoid-double-free-in-label-and-preceden.patch @@ -0,0 +1,36 @@ +From 77a34079d8f3d63b61543bf3af93043f8674e4c4 Mon Sep 17 00:00:00 2001 +From: Siddhesh Poyarekar <siddhesh@sourceware.org> +Date: Tue, 3 Aug 2021 21:11:03 +0530 +Subject: [PATCH] gaiconf_init: Avoid double-free in label and precedence lists + +labellist and precedencelist could get freed a second time if there +are allocation failures, so set them to NULL to avoid a double-free. + +Reviewed-by: Arjun Shankar <arjun@redhat.com> +--- + sysdeps/posix/getaddrinfo.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c +index 838a68f..43dfc67 100644 +--- a/sysdeps/posix/getaddrinfo.c ++++ b/sysdeps/posix/getaddrinfo.c +@@ -2008,6 +2008,7 @@ gaiconf_init (void) + l = l->next; + } + free_prefixlist (labellist); ++ labellist = NULL; + + /* Sort the entries so that the most specific ones are at + the beginning. */ +@@ -2046,6 +2047,7 @@ gaiconf_init (void) + l = l->next; + } + free_prefixlist (precedencelist); ++ precedencelist = NULL; + + /* Sort the entries so that the most specific ones are at + the beginning. */ +-- +1.8.3.1 + |