Fix: Possible call to strtoul() with NULL argument

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
index f8f2a7ce3c1624923f8af606b620fe8f5f443fe3..89ef3b092737d23ae83c17af76d826df953fb0b3 100644 (file)
--- a/src/bin/lttng-sessiond/main.c
+++ b/src/bin/lttng-sessiond/main.c
@@ -4612,6 +4612,10 @@ static int set_option(int opt, const char *arg, const char *optname)
                } else {
                        unsigned long v;
 
                } else {
                        unsigned long v;
 

+                       if (!arg) {
+                               ret = -EINVAL;
+                               goto end;
+                       }

                        errno = 0;
                        v = strtoul(arg, NULL, 0);
                        if (errno != 0 || !isdigit(arg[0])) {
                        errno = 0;
                        v = strtoul(arg, NULL, 0);
                        if (errno != 0 || !isdigit(arg[0])) {