[sr-dev] git:4.2:3fd7f816: tm: safety check not to allocate 0 bytes in rpc command

Module: kamailio Branch: 4.2 Commit: 3fd7f816607acbc80ed49b5743dd55870d6b1e92 URL: https://github.com/kamailio/kamailio/commit/3fd7f816607acbc80ed49b5743dd558… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2015-05-19T09:30:31+02:00 tm: safety check not to allocate 0 bytes in rpc command (cherry picked from commit 88b67575f9457312d0277e16dc06103be3a31965) --- Modified: modules/tm/rpc_uac.c --- Diff: https://github.com/kamailio/kamailio/commit/3fd7f816607acbc80ed49b5743dd558… Patch: https://github.com/kamailio/kamailio/commit/3fd7f816607acbc80ed49b5743dd558… --- diff --git a/modules/tm/rpc_uac.c b/modules/tm/rpc_uac.c index 507f4ae..db692ef 100644 --- a/modules/tm/rpc_uac.c +++ b/modules/tm/rpc_uac.c @@ -218,7 +218,12 @@ static char *get_hfblock(str *uri, struct hdr_field *hf, int proto, DBG("get_hfblock: one more hf processed\n"); } /* header loop */ - /* construct a single header block now */ + if(total_len==0) { + LM_DBG("empty result for headers block\n"); + goto error; + } + + /* construct a single header block now */ ret = pkg_malloc(total_len); if (!ret) { LOG(L_ERR, "get_hfblock: no pkg mem for hf block\n");