[compiler-rt] r226913 - [sanitizer] Fix an edge case in MemoryRangeIsAvailable.

[Evgeniy Stepanov]

Author: eugenis
Date: Fri Jan 23 09:14:27 2015
New Revision: 226913

URL: http://llvm.org/viewvc/llvm-project?rev=226913&view=rev
Log:
[sanitizer] Fix an edge case in MemoryRangeIsAvailable.

Modified:
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix.cc

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix.cc?rev=226913&r1=226912&r2=226913&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix.cc (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix.cc Fri Jan 23 09:14:27 2015
@@ -237,7 +237,8 @@ bool MemoryRangeIsAvailable(uptr range_s
   while (proc_maps.Next(&start, &end,
                         /*offset*/0, /*filename*/0, /*filename_size*/0,
                         /*protection*/0)) {
-    if (!IntervalsAreSeparate(start, end, range_start, range_end))
+    CHECK_NE(0, end);
+    if (!IntervalsAreSeparate(start, end - 1, range_start, range_end))
       return false;
   }
   return true;