diff options
| -rw-r--r-- | usr.bin/uniq/uniq.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.bin/uniq/uniq.c b/usr.bin/uniq/uniq.c index 5416b0b..605bd00 100644 --- a/usr.bin/uniq/uniq.c +++ b/usr.bin/uniq/uniq.c @@ -196,6 +196,8 @@ convert(const char *str) if ((n = mbstowcs(NULL, str, 0)) == (size_t)-1) return (NULL); + if (SIZE_MAX / sizeof(*buf) < n + 1) + errx(1, "conversion buffer length overflow"); if ((buf = malloc((n + 1) * sizeof(*buf))) == NULL) err(1, "malloc"); if (mbstowcs(buf, str, n + 1) != n) |
