diff options
| author | Jiri Pirko <jiri@mellanox.com> | 2020-04-27 08:10:55 +0200 |
|---|---|---|
| committer | Stephen Hemminger <stephen@networkplumber.org> | 2020-04-27 14:50:27 -0700 |
| commit | 0149dabf2a1bad2f210ca2d987b29083247b7bd0 (patch) | |
| tree | 3f58b2bfa52e02e3c20ef06fde45babab74bc568 | |
| parent | b831c5ffcc78a518dcd267717a299ce158b0475c (diff) | |
| download | iproute2-0149dabf2a1bad2f210ca2d987b29083247b7bd0.tar.gz | |
tc: m_action: check cookie hex string len
Check the cookie hex string len is dividable by 2 as the valid hex
string always should be.
Reported-by: Alex Kushnarov <alexanderk@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
| -rw-r--r-- | tc/m_action.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tc/m_action.c b/tc/m_action.c index 108329db2..b41782de9 100644 --- a/tc/m_action.c +++ b/tc/m_action.c @@ -291,7 +291,8 @@ done0: invarg(cookie_err_m, *argv); } - if (hex2mem(*argv, act_ck, slen / 2) < 0) + if (slen % 2 || + hex2mem(*argv, act_ck, slen / 2) < 0) invarg("cookie must be a hex string\n", *argv); |