[sr-dev] git:5.2:aeaf35ce: core: check for optarg before passing it to external library (coverity report)

[Henning Westerholt]

Module: kamailio
Branch: 5.2
Commit: aeaf35ce1f19dc46436102a2763a8e9a4d1db1b7
URL: https://github.com/kamailio/kamailio/commit/aeaf35ce1f19dc46436102a2763a8e9a4d1db1b7

Author: Henning Westerholt <hw at kamailio.org>
Committer: Henning Westerholt <hw at kamailio.org>
Date: 2018-12-30T18:42:05+01:00

core: check for optarg before passing it to external library (coverity report)

(cherry picked from commit 7eb1eae615a4c3ef710e9931b101ddc4db07aff2)

---

Modified: src/main.c

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Diff:  https://github.com/kamailio/kamailio/commit/aeaf35ce1f19dc46436102a2763a8e9a4d1db1b7.diff
Patch: https://github.com/kamailio/kamailio/commit/aeaf35ce1f19dc46436102a2763a8e9a4d1db1b7.patch

---

diff --git a/src/main.c b/src/main.c
index b7e9fdb58a..13c47a0852 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1889,6 +1889,10 @@ int main(int argc, char** argv)
 					log_color=1;
 					break;
 			case 'M':
+					if (optarg == NULL) {
+						fprintf(stderr, "bad private mem size\n");
+						goto error;
+					}
 					pkg_mem_size=strtol(optarg, &tmp, 10) * 1024 * 1024;
 					if (tmp &&(*tmp)){
 						fprintf(stderr, "bad private mem size number: -M %s\n",