[PATCH] iproute2: off by one in nested attribute parse
From: Stephen Hemminger <hidden>
Date: 2007-12-10 19:39:45
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
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 <redacted> --- 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