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| author | Andy Alex <andy@r-tt.com> | 2014-02-20 19:49:58 +0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2014-03-13 20:08:53 -0700 |
| commit | 6722fc588d67497985704b34aa2b5e929079f73a (patch) | |
| tree | 9599195ddac4399880e298a6c19739516f2df028 | |
| parent | 7c5efd0977a567296573b09b6436b8ffbcd369ee (diff) | |
| download | syslinux-6722fc588d67497985704b34aa2b5e929079f73a.tar.gz syslinux-6722fc588d67497985704b34aa2b5e929079f73a.tar.xz syslinux-6722fc588d67497985704b34aa2b5e929079f73a.zip | |
NTFS: Incorrect parsing of file runs
Length of some extents of NTFS files is parsed in wrong way.
Signed-off-by: Andy Alex <andy at r-tt.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| -rw-r--r-- | core/fs/ntfs/ntfs.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/core/fs/ntfs/ntfs.c b/core/fs/ntfs/ntfs.c index 6a983de6..af004473 100644 --- a/core/fs/ntfs/ntfs.c +++ b/core/fs/ntfs/ntfs.c @@ -352,7 +352,6 @@ static int parse_data_run(const void *stream, uint32_t *offset, uint8_t *byte; int byte_shift = 8; int mask; - uint8_t val; int64_t res; (void)attr_len; @@ -381,11 +380,8 @@ static int parse_data_run(const void *stream, uint32_t *offset, count = v; res = 0LL; - while (count--) { - val = *byte--; - mask = val >> (byte_shift - 1); - res = (res << byte_shift) | ((val + mask) ^ mask); - } + while (count--) + res = (res << byte_shift) | *byte--; chunk->len = res; /* get length data */ |