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authorPaul Pluzhnikov <ppluzhnikov@google.com>2015-03-02 13:34:22 -0800
committerPaul Pluzhnikov <ppluzhnikov@google.com>2015-03-02 13:34:22 -0800
commitc2c6d39fab901c97c18fa3a3a3658d9dc3f7df61 (patch)
tree43cf2e4e4f302d8bf0a841d8e06ab510b4e4aea7 /posix/fnmatch_loop.c
parente8b6be0016f131c2ac72bf3213eabdb59800e63b (diff)
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Fix BZ 18036 buffer overflow (read past end of buffer) in internal_fnmatch
Diffstat (limited to 'posix/fnmatch_loop.c')
-rw-r--r--posix/fnmatch_loop.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/posix/fnmatch_loop.c b/posix/fnmatch_loop.c
index 72c5d8f041..f46c9dfedb 100644
--- a/posix/fnmatch_loop.c
+++ b/posix/fnmatch_loop.c
@@ -1036,7 +1036,12 @@ END (const CHAR *pattern)
       }
     else if ((*p == L('?') || *p == L('*') || *p == L('+') || *p == L('@')
 	      || *p == L('!')) && p[1] == L('('))
-      p = END (p + 1);
+      {
+	p = END (p + 1);
+	if (*p == L('\0'))
+	  /* This is an invalid pattern.  */
+	  return pattern;
+      }
     else if (*p == L(')'))
       break;