4.19-stable review patch. If anyone has any objections, please let me know.
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From: Hangyu Hua hbh25y@gmail.com
[ Upstream commit 8fcb0382af6f1ef50936f1be05b8149eb2f88496 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- net/sched/em_text.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/sched/em_text.c b/net/sched/em_text.c index 73e2ed576ceb3..cbf44783024f3 100644 --- a/net/sched/em_text.c +++ b/net/sched/em_text.c @@ -101,8 +101,10 @@ static int em_text_change(struct net *net, void *data, int len,
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)