37 lines
1.0 KiB
Diff
37 lines
1.0 KiB
Diff
From 0149dabf2a1bad2f210ca2d987b29083247b7bd0 Mon Sep 17 00:00:00 2001
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From: Jiri Pirko <jiri@mellanox.com>
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Date: Mon, 27 Apr 2020 08:10:55 +0200
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Subject: tc: m_action: check cookie hex string len
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Check the cookie hex string len is dividable by 2 as the valid hex
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string always should be.
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Reported-by: Alex Kushnarov <alexanderk@mellanox.com>
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Signed-off-by: Jiri Pirko <jiri@mellanox.com>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
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Conflict:NA
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Reference:https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/commit?id=0149dabf2a1bad2f210ca2d987b29083247b7bd0
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---
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tc/m_action.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/tc/m_action.c b/tc/m_action.c
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index 108329db2..b41782de9 100644
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--- a/tc/m_action.c
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+++ b/tc/m_action.c
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@@ -291,7 +291,8 @@ done0:
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invarg(cookie_err_m, *argv);
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}
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- if (hex2mem(*argv, act_ck, slen / 2) < 0)
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+ if (slen % 2 ||
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+ hex2mem(*argv, act_ck, slen / 2) < 0)
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invarg("cookie must be a hex string\n",
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*argv);
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--
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cgit 1.2.3-korg
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