If no address was given, ipaddr_modify() accesses uninitialized data when assigning to req.ifa.ifa_prefixlen.
Signed-off-by: Phil Sutter <p...@nwl.cc> --- ip/ipaddress.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ip/ipaddress.c b/ip/ipaddress.c index 3c9decb51b412..9307c9416dde3 100644 --- a/ip/ipaddress.c +++ b/ip/ipaddress.c @@ -1888,7 +1888,7 @@ static int ipaddr_modify(int cmd, int flags, int argc, char **argv) char *lcl_arg = NULL; char *valid_lftp = NULL; char *preferred_lftp = NULL; - inet_prefix lcl; + inet_prefix lcl = {}; inet_prefix peer; int local_len = 0; int peer_len = 0; -- 2.13.1