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authorLuke Shumaker <LukeShu@sbcglobal.net>2012-05-06 21:39:39 -0400
committerLuke Shumaker <LukeShu@sbcglobal.net>2012-05-06 21:39:39 -0400
commit38dbfc58450f5064f8534435ccc7b4c005bbfa68 (patch)
tree829e9c277a024cf520db2b7bfaf7d5cb4fe5ba45 /cross/mips64el-unknown-linux-gnu-glibc/glibc-2.15-__libc_res_nquerydomain-out-of-bounds.patch
parente1f7b97ab1603aea664ee3f392f6263fd7812b3c (diff)
parentd48da3adb2e5eaab66403aa3f0fce2d78f3ecd12 (diff)
Merge branch 'master' of ssh://parabolagnulinux.org:1863/srv/git/abslibre
Diffstat (limited to 'cross/mips64el-unknown-linux-gnu-glibc/glibc-2.15-__libc_res_nquerydomain-out-of-bounds.patch')
-rw-r--r--cross/mips64el-unknown-linux-gnu-glibc/glibc-2.15-__libc_res_nquerydomain-out-of-bounds.patch24
1 files changed, 24 insertions, 0 deletions
diff --git a/cross/mips64el-unknown-linux-gnu-glibc/glibc-2.15-__libc_res_nquerydomain-out-of-bounds.patch b/cross/mips64el-unknown-linux-gnu-glibc/glibc-2.15-__libc_res_nquerydomain-out-of-bounds.patch
new file mode 100644
index 000000000..6f0a0398f
--- /dev/null
+++ b/cross/mips64el-unknown-linux-gnu-glibc/glibc-2.15-__libc_res_nquerydomain-out-of-bounds.patch
@@ -0,0 +1,24 @@
+diff --git a/resolv/res_query.c b/resolv/res_query.c
+index 947c651..abccd4a 100644
+--- a/resolv/res_query.c
++++ b/resolv/res_query.c
+@@ -556,12 +556,16 @@ __libc_res_nquerydomain(res_state statp,
+ * copy without '.' if present.
+ */
+ n = strlen(name);
+- if (n >= MAXDNAME) {
++
++ /* Decrement N prior to checking it against MAXDNAME
++ so that we detect a wrap to SIZE_MAX and return
++ a reasonable error. */
++ n--;
++ if (n >= MAXDNAME - 1) {
+ RES_SET_H_ERRNO(statp, NO_RECOVERY);
+ return (-1);
+ }
+- n--;
+- if (n >= 0 && name[n] == '.') {
++ if (name[n] == '.') {
+ strncpy(nbuf, name, n);
+ nbuf[n] = '\0';
+ } else