Bug#14834378 ADDRESSSANITIZER BUG IN FILENAME_TO_TABLENAME

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

View File

@ -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);

View File

@ -1,4 +1,4 @@
/* Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
/* Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
@ -4391,6 +4391,8 @@ my_mb_wc_filename(CHARSET_INFO *cs __attribute__((unused)),
return MY_CS_TOOSMALL3;
byte1= s[1];
if (byte1 == 0)
return MY_CS_ILSEQ; /* avoid possible out-of-bounds read */
byte2= s[2];
if (byte1 >= 0x30 && byte1 <= 0x7F &&