uClibc: fix a crash in __read_etc_hosts_r() that occurs if more than five hostnames follow a dotted quad in /etc/hosts

SVN-Revision: 27131
2011-06-07 21:54:14 +00:00 · 2011-06-07 21:54:14 +00:00 · 6894dfb0fb
commit 6894dfb0fb
parent 9160e06af5
1 changed files with 10 additions and 0 deletions
--- a/toolchain/uClibc/patches-0.9.32/131-inet-fix-__read_etc_hosts_r-segfault.patch
+++ b/toolchain/uClibc/patches-0.9.32/131-inet-fix-__read_etc_hosts_r-segfault.patch
@ -0,0 +1,10 @@
+--- a/libc/inet/resolv.c
+++ b/libc/inet/resolv.c
+@@ -1631,6 +1631,7 @@ int attribute_hidden __read_etc_hosts_r(
+ 	 * struct in[6]_addr
+ 	 * char line_buffer[BUFSZ+];
+ 	 */
+	memset(buf, 0, buflen);
+ 	parser->data = buf;
+ 	parser->data_len = aliaslen;
+ 	parser->line_len = buflen - aliaslen;