diff options
| author | George Joseph <gjoseph@digium.com> | 2018-02-06 10:21:32 -0700 |
|---|---|---|
| committer | George Joseph <gjoseph@digium.com> | 2018-02-21 08:14:40 -0700 |
| commit | c53d8dcb68751f499df31f0c07c3be7ccd02fa68 (patch) | |
| tree | 93459455b2d3a61c0fe50e2f9c110e0564e723a5 /res | |
| parent | a1e6320c4a1c08d17c920b5c39ef0bb055042a4a (diff) | |
AST-2018-005: Add a check for NULL tdata in ast_sip_failover_request
It was discovered that there are some corner cases where a pjsip tsx
might have no last_tx so calling ast_sip_failover_request with
a NULL last_tx as its tdata would cause a crash.
ASTERISK-27618
Reported By: Sandro Gauci
Change-Id: Ic2b63f6d4ae617c4c19dcdec2a7a6156b54fd15b
Diffstat (limited to 'res')
| -rw-r--r-- | res/res_pjsip.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/res/res_pjsip.c b/res/res_pjsip.c index 7b59035c2..79e6cc20b 100644 --- a/res/res_pjsip.c +++ b/res/res_pjsip.c @@ -4173,7 +4173,8 @@ int ast_sip_failover_request(pjsip_tx_data *tdata) { pjsip_via_hdr *via; - if (!tdata->dest_info.addr.count || (tdata->dest_info.cur_addr == tdata->dest_info.addr.count - 1)) { + if (!tdata || !tdata->dest_info.addr.count + || (tdata->dest_info.cur_addr == tdata->dest_info.addr.count - 1)) { /* No more addresses to try */ return 0; } |