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bug fix - reading uninitialised memory

edge.strict_endians
flatcap 2005-09-13 12:51:34 +00:00
parent ea0202921d
commit 0ae7e885d1
1 changed files with 4 additions and 4 deletions
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8
libntfs/runlist.c
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@ -1,8 +1,8 @@
/*
/**
* runlist.c - Run list handling code. Part of the Linux-NTFS project.
*
* Copyright (c) 2002-2005 Anton Altaparmakov
* Copyright (c) 2002 Richard Russon
* Copyright (c) 2002-2005 Richard Russon
* Copyright (c) 2004 Yura Pakhuchiy
*
* This program/include file is free software; you can redistribute it and/or
@ -52,7 +52,7 @@ static __inline__ void ntfs_rl_mm(runlist_element *base, int dst, int src,
/**
* Internal:
*
* rl_mc - runlist memory copy
* ntfs_rl_mc - runlist memory copy
*/
static __inline__ void ntfs_rl_mc(runlist_element *dstbase, int dst,
runlist_element *srcbase, int src, int size)
@ -381,7 +381,7 @@ static __inline__ runlist_element *ntfs_rl_replace(runlist_element *dst,
ntfs_rl_mc(dst, loc, src, left, ssize - left);
/* We may have changed the length of the file, so fix the end marker */
if (dst[magic].lcn == LCN_ENOENT)
if (((dsize - loc - right - 1) > 0) && (dst[magic].lcn == LCN_ENOENT))
dst[magic].vcn = dst[magic - 1].vcn + dst[magic - 1].length;
return dst;
}