uClibc: fix a crash in __read_etc_hosts_r() that occurs if more than five hostnames...

[openwrt/staging/lynxis/omap.git] / toolchain / uClibc / patches-0.9.32 / 131-inet-fix-__read_etc_hosts_r-segfault.patch

diff --git 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
new file mode 100644 (file)
index 0000000..bd9ed38
--- /dev/null
+++ 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;