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| author | Andrey A. Chernov <ache@FreeBSD.org> | 2010-03-09 21:06:17 +0000 |
|---|---|---|
| committer | Andrey A. Chernov <ache@FreeBSD.org> | 2010-03-09 21:06:17 +0000 |
| commit | 0100f0ddf795d8cd2f7d1bfe4e12ec44382c3053 (patch) | |
| tree | 9e994e7e942ddf69371ac0b76679627284d0b27a /usr.bin/comm | |
| parent | d2796d06d3b1c21694a14cc40f03b41d4501a09c (diff) | |
| download | src-0100f0ddf795d8cd2f7d1bfe4e12ec44382c3053.tar.gz src-0100f0ddf795d8cd2f7d1bfe4e12ec44382c3053.zip | |
Add SIZE_MAX overflow check
Notes
Notes:
svn path=/head/; revision=204928
Diffstat (limited to 'usr.bin/comm')
| -rw-r--r-- | usr.bin/comm/comm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.bin/comm/comm.c b/usr.bin/comm/comm.c index b9109112dccf..ddad5dc8fe8a 100644 --- a/usr.bin/comm/comm.c +++ b/usr.bin/comm/comm.c @@ -201,6 +201,8 @@ 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) |