diff options
| author | Richard Mudgett <rmudgett@digium.com> | 2018-02-11 15:27:49 -0600 |
|---|---|---|
| committer | Richard Mudgett <rmudgett@digium.com> | 2018-02-12 20:57:57 -0600 |
| commit | 8372138cce10cef1d1a9c94c71df483ebdbe5f92 (patch) | |
| tree | 714a4159b87ea1dc876d5c2513920bca24780b35 /channels | |
| parent | 0461286123e3ab201374f8b8a2435ed6006b7a5a (diff) | |
chan_sip.c: Fix crash processing CANCEL.
Check if initreq data string exists before using it when processing a
CANCEL request.
ASTERISK-27666
Change-Id: Id1d0f0fa4ec94e81b332b2973d93e5a14bb4cc97
Diffstat (limited to 'channels')
| -rw-r--r-- | channels/chan_sip.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index fa9899027..acf5a147e 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -27425,7 +27425,7 @@ static int handle_request_cancel(struct sip_pvt *p, struct sip_request *req) } else { sip_scheddestroy(p, DEFAULT_TRANS_TIMEOUT); } - if (ast_str_strlen(p->initreq.data) > 0) { + if (p->initreq.data && ast_str_strlen(p->initreq.data) > 0) { struct sip_pkt *pkt, *prev_pkt; /* If the CANCEL we are receiving is a retransmission, and we already have scheduled * a reliable 487, then we don't want to schedule another one on top of the previous |