diff options
| author | Tom Hughes <tom@compton.nu> | 2018-11-02 10:03:12 +0000 |
|---|---|---|
| committer | Michael Mann <mmann78@netscape.net> | 2018-11-03 17:10:45 +0000 |
| commit | d06ad62059bd07b089b1ee268ccd8c0aafccfe4c (patch) | |
| tree | 1171a210ff177644c11f95ea01529645e1653bd9 /epan/dissectors/packet-iax2.c | |
| parent | 6910cb138b0d6d2f70177daa03edc85752b7bebf (diff) | |
IAX: Don't try and copy a non-existent address
Bug: 15251
Change-Id: I47e80ea6271f46731cf391a54ceea61c363b6cf7
Reviewed-on: https://code.wireshark.org/review/30481
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot
Reviewed-by: Michael Mann <mmann78@netscape.net>
Diffstat (limited to 'epan/dissectors/packet-iax2.c')
| -rw-r--r-- | epan/dissectors/packet-iax2.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/epan/dissectors/packet-iax2.c b/epan/dissectors/packet-iax2.c index 242d54d666..a36dbeb3a4 100644 --- a/epan/dissectors/packet-iax2.c +++ b/epan/dissectors/packet-iax2.c @@ -719,7 +719,8 @@ static guint iax_circuit_lookup(const address *address_p, new_key->addr.type = address_p->type; new_key->addr.len = MIN(address_p->len, MAX_ADDRESS); new_key->addr.data = new_key->address_data; - memcpy(new_key->address_data, address_p->data, new_key->addr.len); + if (new_key->addr.len > 0) + memcpy(new_key->address_data, address_p->data, new_key->addr.len); new_key->ptype = ptype; new_key->port = port; new_key->callno = callno; |