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chan_iax2: Fix a segfault introduced by call ID logging

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Didn't previously check that a non NULL IAX channel was stored in the array
at the requested position before attempting iax_pvt_callid_get

(closes issue ASTERISK-20145)
Reported by: Birger "WIMPy" Harzenetter


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@370335 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Jonathan Rose
2012-07-20 19:36:05 +00:00
parent fbf4040a36
commit a5e10001b2
1 changed files with 1 additions and 1 deletions
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2
channels/chan_iax2.c
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@@ -10170,7 +10170,7 @@ static int socket_process_helper(struct iax2_thread *thread)
if (fr->callno > 0) { if (fr->callno > 0) {
struct ast_callid *mount_callid; struct ast_callid *mount_callid;
ast_mutex_lock(&iaxsl[fr->callno]); ast_mutex_lock(&iaxsl[fr->callno]);
if ((mount_callid = iax_pvt_callid_get(fr->callno))) { if (iaxs[fr->callno] && ((mount_callid = iax_pvt_callid_get(fr->callno)))) {
/* Bind to thread */ /* Bind to thread */
ast_callid_threadassoc_add(mount_callid); ast_callid_threadassoc_add(mount_callid);
ast_callid_unref(mount_callid); ast_callid_unref(mount_callid);