path: root/pkgs/development/libraries/glibc/fix-out-of-bounds-access-in-findidxwc.patch

diff -ur glibc-2.27/locale/weightwc.h glibc-2.27-patched/locale/weightwc.h
--- glibc-2.27/locale/weightwc.h	2018-02-02 01:17:18.000000000 +0900
+++ glibc-2.27-patched/locale/weightwc.h	2020-01-12 04:54:16.044440602 +0900
@@ -94,19 +94,19 @@
 	    if (cp[cnt] != usrc[cnt])
 	      break;
 
-	  if (cnt < nhere - 1)
+	  if (cnt < nhere - 1 || cnt == len)
 	    {
 	      cp += 2 * nhere;
 	      continue;
 	    }
 
-	  if (cp[nhere - 1] > usrc[nhere -1])
+	  if (cp[nhere - 1] > usrc[nhere - 1])
 	    {
 	      cp += 2 * nhere;
 	      continue;
 	    }
 
-	  if (cp[2 * nhere - 1] < usrc[nhere -1])
+	  if (cp[2 * nhere - 1] < usrc[nhere - 1])
 	    {
 	      cp += 2 * nhere;
 	      continue;