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Message-ID: <20071210113831.7278f65b@freepuppy.rosehill> Date: Mon, 10 Dec 2007 11:38:31 -0800 From: Stephen Hemminger <shemminger@...ux-foundation.org> To: Patrick McHardy <kaber@...sh.net> Cc: netdev@...r.kernel.org Subject: [PATCH] iproute2: off by one in nested attribute parse Fix off by one in nested attribute management. Fixes segv in: tc qdisc show dev eth1 due to uninitialized attribute table. Signed-off-by: Stephen Hemminger <shemminger@...ux-foundation.org> --- lib/libnetlink.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/lib/libnetlink.c b/lib/libnetlink.c index 12883fe..d13596f 100644 --- a/lib/libnetlink.c +++ b/lib/libnetlink.c @@ -632,6 +632,6 @@ int __parse_rtattr_nested_compat(struct rtattr *tb[], int max, struct rtattr *rt rta = RTA_DATA(rta) + RTA_ALIGN(len); return parse_rtattr_nested(tb, max, rta); } - memset(tb, 0, sizeof(struct rtattr *) * max); + memset(tb, 0, sizeof(struct rtattr *) * (max + 1)); return 0; } -- 1.5.3.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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