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authorHangyu Hua <hbh25y@gmail.com>2023-12-21 10:25:31 +0800
committerDavid S. Miller <davem@davemloft.net>2024-01-01 13:08:15 +0000
commit8fcb0382af6f1ef50936f1be05b8149eb2f88496 (patch)
treecd265670a21784980f490f518b98b98256564c8c /net/sched
parentdcea1bd45e6d111cc8fc1aaefa7e31694089bda3 (diff)
net: sched: em_text: fix possible memory leak in em_text_destroy()
m->data needs to be freed when em_text_destroy is called. Fixes: d675c989ed2d ("[PKT_SCHED]: Packet classification based on textsearch (ematch)") Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Hangyu Hua <hbh25y@gmail.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/em_text.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sched/em_text.c b/net/sched/em_text.c
index 6f3c1fb2fb44..f176afb70559 100644
--- a/net/sched/em_text.c
+++ b/net/sched/em_text.c
@@ -97,8 +97,10 @@ retry:
static void em_text_destroy(struct tcf_ematch *m)
{
- if (EM_TEXT_PRIV(m) && EM_TEXT_PRIV(m)->config)
+ if (EM_TEXT_PRIV(m) && EM_TEXT_PRIV(m)->config) {
textsearch_destroy(EM_TEXT_PRIV(m)->config);
+ kfree(EM_TEXT_PRIV(m));
+ }
}
static int em_text_dump(struct sk_buff *skb, struct tcf_ematch *m)