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If getaddrinfo() fails, it's not safe to dereference the struct addrinfo* it
[u/mdw/putty]
/
unix
/
uxnet.c
diff --git
a/unix/uxnet.c
b/unix/uxnet.c
index
b7c20cf
..
8804b09
100644
(file)
--- a/
unix/uxnet.c
+++ b/
unix/uxnet.c
@@
-713,8
+713,10
@@
Socket sk_newlistener(char *srcaddr, int port, Plug plug, int local_host_only, i
hints.ai_next = NULL;
sprintf(portstr, "%d", port);
retcode = getaddrinfo(srcaddr, portstr, &hints, &ai);
hints.ai_next = NULL;
sprintf(portstr, "%d", port);
retcode = getaddrinfo(srcaddr, portstr, &hints, &ai);
- addr = ai->ai_addr;
- addrlen = ai->ai_addrlen;
+ if (retcode = 0) {
+ addr = ai->ai_addr;
+ addrlen = ai->ai_addrlen;
+ }
#else
memset(&a,'\0',sizeof(struct sockaddr_in));
a.sin_family = AF_INET;
#else
memset(&a,'\0',sizeof(struct sockaddr_in));
a.sin_family = AF_INET;