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Bug#14834378 ADDRESSSANITIZER BUG IN FILENAME_TO_TABLENAME

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Backport to 5.5
This commit is contained in:
Tor Didriksen
2013-06-14 16:38:27 +02:00
parent a040586cce
commit 82d9c8e8d9
2 changed files with 5 additions and 2 deletions
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3
sql/sql_table.cc
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@@ -378,7 +378,8 @@ uint filename_to_tablename(const char *from, char *to, uint to_length
DBUG_ENTER("filename_to_tablename");
DBUG_PRINT("enter", ("from '%s'", from));
if (!memcmp(from, tmp_file_prefix, tmp_file_prefix_length))
if (strlen(from) >= tmp_file_prefix_length &&
!memcmp(from, tmp_file_prefix, tmp_file_prefix_length))
{
/* Temporary table name. */
res= (strnmov(to, from, to_length) - to);