grep branch, master, updated. v2.19-12-g96bd310

[Jim Meyering]

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http://git.savannah.gnu.org/cgit/grep.git/commit/?id=96bd3104b76fb157555b60d22eeb71782572ceb0


commit 96bd3104b76fb157555b60d22eeb71782572ceb0
Author: Jim Meyering <address@hidden>
Date:   Thu May 29 09:44:41 2014 -0700

    dfa: fix off-by-one under-allocation from recent change
    
    Commit v2.19-10-gc32ff67 mistakenly made this change:
      -realloc_trans_if_necessary (d, 1);
      +realloc_trans_if_necessary (d, 0);
    which led to a heap buffer overflow.
    * src/dfa.c (dfaexec): Allocate space for one state, as before.

diff --git a/src/dfa.c b/src/dfa.c
index 0f27f85..48a83cd 100644
--- a/src/dfa.c
+++ b/src/dfa.c
@@ -3261,7 +3261,7 @@ dfaexec (struct dfa *d, char const *begin, char *end,
 
   if (!d->tralloc)
     {
-      realloc_trans_if_necessary (d, 0);
+      realloc_trans_if_necessary (d, 1);
       build_state (0, d);
     }
 

-----------------------------------------------------------------------

Summary of changes:
 src/dfa.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)


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