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| author | Jim Meyering | 2011-11-16 20:10:39 +0100 |
|---|---|---|
| committer | Karel Zak | 2011-11-16 23:51:33 +0100 |
| commit | 26ae00a72b6cfb030a637d7a85ec06afac6f5d1a (patch) | |
| tree | 8371df010bb80a35d5477b788b85bd290b4fddc9 /text-utils/column.c | |
| parent | prlimit: don't share pointer for old and new in prlimit(2) (diff) | |
| download | kernel-qcow2-util-linux-26ae00a72b6cfb030a637d7a85ec06afac6f5d1a.tar.gz kernel-qcow2-util-linux-26ae00a72b6cfb030a637d7a85ec06afac6f5d1a.tar.xz kernel-qcow2-util-linux-26ae00a72b6cfb030a637d7a85ec06afac6f5d1a.zip | |
column: avoid memory overrun and/or use of uninitialized buffer
* text-utils/column.c (maketbl): Use the right starting point
and the right length when zeroing new memory after xrealloc.
Diffstat (limited to 'text-utils/column.c')
| -rw-r--r-- | text-utils/column.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/text-utils/column.c b/text-utils/column.c index f8fd35071..79d284221 100644 --- a/text-utils/column.c +++ b/text-utils/column.c @@ -305,8 +305,8 @@ static void maketbl(wchar_t **list, int entries, wchar_t *separator) cols = xrealloc(cols, maxcols * sizeof(wchar_t *)); lens = xrealloc(lens, maxcols * sizeof(ssize_t)); /* zero fill only new memory */ - memset(lens + ((maxcols - DEFCOLS) * sizeof(ssize_t)), 0, - DEFCOLS * sizeof(int)); + memset(lens + (maxcols - DEFCOLS), 0, + DEFCOLS * sizeof(*lens)); } p = NULL; } |