Module: kamailio Branch: master Commit: 5443db4d632c8502dc622cc28fe2847fb0c147c1 URL: https://github.com/kamailio/kamailio/commit/5443db4d632c8502dc622cc28fe2847… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2022-01-11T08:20:30+01:00 dispatcher: safety checks for str fields --- Modified: src/modules/dispatcher/dispatch.c --- Diff: https://github.com/kamailio/kamailio/commit/5443db4d632c8502dc622cc28fe2847… Patch: https://github.com/kamailio/kamailio/commit/5443db4d632c8502dc622cc28fe2847… --- diff --git a/src/modules/dispatcher/dispatch.c b/src/modules/dispatcher/dispatch.c index 661b4a9533..26836433f1 100644 --- a/src/modules/dispatcher/dispatch.c +++ b/src/modules/dispatcher/dispatch.c @@ -1192,7 +1192,7 @@ unsigned int ds_get_hash(str *x, str *y) if(!x && !y) return 0; h = 0; - if(x) { + if(x && x->s) { p = x->s; if(x->len >= 4) { for(; p <= (x->s + x->len - 4); p += 4) { @@ -1207,7 +1207,7 @@ unsigned int ds_get_hash(str *x, str *y) } h += v ^ (v >> 3); } - if(y) { + if(y && y->s) { p = y->s; if(y->len >= 4) { for(; p <= (y->s + y->len - 4); p += 4) {