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GNU C Library master sources branch master updated. glibc-2.16-ports-merge-195-gdd924cd


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The branch, master has been updated
       via  dd924cd7cc3ef8c9da103d883dd784815e388976 (commit)
      from  1afbc875e31e87c2eb8a0cdaf48bc36d3edb363d (commit)

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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=dd924cd7cc3ef8c9da103d883dd784815e388976

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

Summary of changes:
 ChangeLog      |    5 +++++
 crypt/sha512.c |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 41aacc8..66a0b71 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-08-15  Roland McGrath  <roland@hack.frob.com>
+
+	* crypt/sha512.c (sha512_process_block) [!USE_TOTAL128]: Avoid
+	shifting LEN more than 31 bits at once.
+
 2012-08-15  Liubov Dmitrieva  <liubov.dmitrieva@gmail.com>
 
 	[BZ #14195]
diff --git a/crypt/sha512.c b/crypt/sha512.c
index bec7bb3..0675c94 100644
--- a/crypt/sha512.c
+++ b/crypt/sha512.c
@@ -125,7 +125,7 @@ sha512_process_block (const void *buffer, size_t len, struct sha512_ctx *ctx)
 #else
   uint64_t lolen = len;
   ctx->total[TOTAL128_low] += lolen;
-  ctx->total[TOTAL128_high] += ((len >> 63 >> 1)
+  ctx->total[TOTAL128_high] += ((len >> 31 >> 31 >> 2)
 				+ (ctx->total[TOTAL128_low] < lolen));
 #endif
 


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