Module: kamailio Branch: master Commit: 1b7ea63df655246b5b6ca123d9ed25d1764d9402 URL: https://github.com/kamailio/kamailio/commit/1b7ea63df655246b5b6ca123d9ed25d… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2023-12-11T15:37:26+01:00 core: main - check limit for values of -m and -M --- Modified: src/main.c --- Diff: https://github.com/kamailio/kamailio/commit/1b7ea63df655246b5b6ca123d9ed25d… Patch: https://github.com/kamailio/kamailio/commit/1b7ea63df655246b5b6ca123d9ed25d… --- diff --git a/src/main.c b/src/main.c index db694381421..3aa79b73d91 100644 --- a/src/main.c +++ b/src/main.c @@ -2094,6 +2094,7 @@ int main(int argc, char **argv) struct name_lst *n_lst; char *p; struct stat st = {0}; + long l1 = 0; #define KSR_TBUF_SIZE 512 char tbuf[KSR_TBUF_SIZE]; @@ -2181,12 +2182,20 @@ int main(int argc, char **argv) fprintf(stderr, "bad private mem size\n"); goto error; } - pkg_mem_size = strtol(optarg, &tmp, 10) * 1024 * 1024; + l1 = strtol(optarg, &tmp, 10); if(tmp && (*tmp)) { fprintf(stderr, "bad private mem size number: -M %s\n", optarg); goto error; - }; + } + /* safety check for upper limit of 1TB */ + if(l1 <= 0 || l1 > 1024L * 1024) { + fprintf(stderr, + "our of limits private mem size number: -M %s\n", + optarg); + goto error; + } + pkg_mem_size = 1024UL * 1024 * l1; break; case 'x': sr_memmng_shm = optarg; @@ -2315,11 +2324,18 @@ int main(int argc, char **argv) fprintf(stderr, "bad shared mem size\n"); goto error; } - shm_mem_size = strtol(optarg, &tmp, 10) * 1024 * 1024; + l1 = strtol(optarg, &tmp, 10); if(tmp && (*tmp)) { fprintf(stderr, "bad shmem size number: -m %s\n", optarg); goto error; - }; + } + /* safety check for upper limit of 16TB */ + if(l1 <= 0 || l1 > 16L * 1024 * 1024) { + fprintf(stderr, "our of limits shmem size number: -m %s\n", + optarg); + goto error; + } + shm_mem_size = 1024UL * 1024 * l1; LM_INFO("shared memory: %ld bytes\n", shm_mem_size); break; case 'd':