Signed-off-by: Khem Raj <[email protected]> --- ...ot-pass-null-pointer-to-freeaddrinfo.patch | 32 +++++++++++++++++++ .../nfs-utils/nfs-utils_2.3.2.bb | 1 + 2 files changed, 33 insertions(+) create mode 100644 meta/recipes-connectivity/nfs-utils/nfs-utils/0001-Do-not-pass-null-pointer-to-freeaddrinfo.patch
diff --git a/meta/recipes-connectivity/nfs-utils/nfs-utils/0001-Do-not-pass-null-pointer-to-freeaddrinfo.patch b/meta/recipes-connectivity/nfs-utils/nfs-utils/0001-Do-not-pass-null-pointer-to-freeaddrinfo.patch new file mode 100644 index 0000000000..a44d1bf2fe --- /dev/null +++ b/meta/recipes-connectivity/nfs-utils/nfs-utils/0001-Do-not-pass-null-pointer-to-freeaddrinfo.patch @@ -0,0 +1,32 @@ +From 4f115fc314646500f7b4178d7248a02654c7cd10 Mon Sep 17 00:00:00 2001 +From: Khem Raj <[email protected]> +Date: Fri, 30 Nov 2018 16:47:57 -0800 +Subject: [PATCH] Do not pass null pointer to freeaddrinfo() + +Passing null pointer as input parameter to freeaddrinfo() is undefined +behaviour, some libcs e.g. glibc might just call free() which does +accept null pointer but other libcs e.g. musl might not and instead +cause the program to segfault. Therefore do not rely on undefined +behaviour instead make it deterministic + +Upstream-Status: Pending + +Signed-off-by: Khem Raj <[email protected]> +--- + support/export/client.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +Index: nfs-utils-2.3.2/support/export/client.c +=================================================================== +--- nfs-utils-2.3.2.orig/support/export/client.c ++++ nfs-utils-2.3.2/support/export/client.c +@@ -309,7 +309,8 @@ client_lookup(char *hname, int canonical + init_addrlist(clp, ai); + + out: +- freeaddrinfo(ai); ++ if (ai) ++ freeaddrinfo(ai); + return clp; + } + diff --git a/meta/recipes-connectivity/nfs-utils/nfs-utils_2.3.2.bb b/meta/recipes-connectivity/nfs-utils/nfs-utils_2.3.2.bb index 5c0586fa75..9b3f36d343 100644 --- a/meta/recipes-connectivity/nfs-utils/nfs-utils_2.3.2.bb +++ b/meta/recipes-connectivity/nfs-utils/nfs-utils_2.3.2.bb @@ -30,6 +30,7 @@ SRC_URI = "${KERNELORG_MIRROR}/linux/utils/nfs-utils/${PV}/nfs-utils-${PV}.tar.x file://nfs-utils-debianize-start-statd.patch \ file://bugfix-adjust-statd-service-name.patch \ file://nfs-utils-musl-limits.patch \ + file://0001-Do-not-pass-null-pointer-to-freeaddrinfo.patch \ " SRC_URI_append_libc-musl = " file://nfs-utils-musl-res_querydomain.patch" -- 2.19.2 -- _______________________________________________ Openembedded-core mailing list [email protected] http://lists.openembedded.org/mailman/listinfo/openembedded-core
