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

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27131 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
Jo-Philipp Wich 2011-06-07 21:54:14 +00:00
parent a7be639630
commit 0fcd03962b
1 changed files with 10 additions and 0 deletions
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10
toolchain/uClibc/patches-0.9.32/131-inet-fix-__read_etc_hosts_r-segfault.patch Normal file
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@ -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;