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src/liboping.c: Check if pointer is NULL before dereferencing it in `ping_receive_ipv4'.
[liboping.git]
/
src
/
liboping.c
diff --git
a/src/liboping.c
b/src/liboping.c
index
579aba3
..
0cff9f4
100644
(file)
--- a/
src/liboping.c
+++ b/
src/liboping.c
@@
-342,8
+342,9
@@
static pinghost_t *ping_receive_ipv4 (pinghost_t *ph, char *buffer, size_t buffe
dprintf ("No match found for ident = 0x%04x, seq = %i\n",
ident, seq);
}
-
- ptr->recv_ttl = ip_hdr->ip_ttl;
+
+ if (ptr != NULL)
+ ptr->recv_ttl = ip_hdr->ip_ttl;
return (ptr);
}