[PATCH] net sched: text ematch: zero out ts_state before using it
From: Omar Sandoval <osandov@osandov.com>
Date: 2014-10-09 16:05:59
Also in:
lkml
Subsystem:
networking [general], tc subsystem, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Jamal Hadi Salim, Jiri Pirko, Linus Torvalds
textsearch_find zeroes out the offset, but the control buffer (which may or may not matter in this case) needs to be zeroed out as well. Signed-off-by: Omar Sandoval <osandov@osandov.com> --- net/sched/em_text.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/net/sched/em_text.c b/net/sched/em_text.c
index 15d353d..2a1b6d9 100644
--- a/net/sched/em_text.c
+++ b/net/sched/em_text.c@@ -36,6 +36,8 @@ static int em_text_match(struct sk_buff *skb, struct tcf_ematch *m, int from, to; struct ts_state state; + memset(&state, 0, sizeof(state)); + from = tcf_get_base_ptr(skb, tm->from_layer) - skb->data; from += tm->from_offset;
--
2.1.2