busybox: fix double free error for ifconfig

This patch backports a commit from upstream to fix a potential double
free error when executing ifconfig circularly:
http://git.busybox.net/busybox/commit/?id=a97777889328157bb7d06ec618bad16712a9c345.

Thanks to Chen Gang for reporting and analyzing this bug.

(From OE-Core rev: 66ec540dad77052bc2c1da3a87f875547600efad)

Signed-off-by: Junling Zheng <zhengjunling@huawei.com>
Signed-off-by: Chen Gang <cg.chen@huawei.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/meta/recipes-core/busybox/busybox_git.bb b/meta/recipes-core/busybox/busybox_git.bb
index cee5b9171d..675e56afd0 100644
--- a/meta/recipes-core/busybox/busybox_git.bb
+++ b/meta/recipes-core/busybox/busybox_git.bb
@@ -36,6 +36,7 @@ SRC_URI = "git://busybox.net/busybox.git \
            file://login-utilities.cfg \
            file://recognize_connmand.patch \
            file://busybox-cross-menuconfig.patch \
+           file://0001-ifconfig-fix-double-free-fatal-error-in-INET_sprint.patch \
 "
 
 EXTRA_OEMAKE += "V=1 ARCH=${TARGET_ARCH} CROSS_COMPILE=${TARGET_PREFIX} SKIP_STRIP=y"