* [PATCH v2] net: sched: em_text: fix possible memory leak in em_text_destroy()
@ 2023-12-21 2:25 Hangyu Hua
2023-12-21 17:29 ` Simon Horman
2024-01-01 13:10 ` patchwork-bot+netdevbpf
0 siblings, 2 replies; 3+ messages in thread
From: Hangyu Hua @ 2023-12-21 2:25 UTC (permalink / raw)
To: jhs, xiyou.wangcong, jiri, davem, edumazet, kuba, pabeni, tgraf
Cc: netdev, linux-kernel, Hangyu Hua
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>
---
v2: fix a type usage error
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 6f3c1fb2fb44..f176afb70559 100644
--- a/net/sched/em_text.c
+++ b/net/sched/em_text.c
@@ -97,8 +97,10 @@ 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)
--
2.34.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v2] net: sched: em_text: fix possible memory leak in em_text_destroy()
2023-12-21 2:25 [PATCH v2] net: sched: em_text: fix possible memory leak in em_text_destroy() Hangyu Hua
@ 2023-12-21 17:29 ` Simon Horman
2024-01-01 13:10 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 3+ messages in thread
From: Simon Horman @ 2023-12-21 17:29 UTC (permalink / raw)
To: Hangyu Hua
Cc: jhs, xiyou.wangcong, jiri, davem, edumazet, kuba, pabeni, tgraf,
netdev, linux-kernel
On Thu, Dec 21, 2023 at 10:25:31AM +0800, Hangyu Hua wrote:
> 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>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v2] net: sched: em_text: fix possible memory leak in em_text_destroy()
2023-12-21 2:25 [PATCH v2] net: sched: em_text: fix possible memory leak in em_text_destroy() Hangyu Hua
2023-12-21 17:29 ` Simon Horman
@ 2024-01-01 13:10 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 3+ messages in thread
From: patchwork-bot+netdevbpf @ 2024-01-01 13:10 UTC (permalink / raw)
To: Hangyu Hua
Cc: jhs, xiyou.wangcong, jiri, davem, edumazet, kuba, pabeni, tgraf,
netdev, linux-kernel
Hello:
This patch was applied to netdev/net.git (main)
by David S. Miller <davem@davemloft.net>:
On Thu, 21 Dec 2023 10:25:31 +0800 you wrote:
> 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>
> ---
>
> [...]
Here is the summary with links:
- [v2] net: sched: em_text: fix possible memory leak in em_text_destroy()
https://git.kernel.org/netdev/net/c/8fcb0382af6f
You are awesome, thank you!
--
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2023-12-21 2:25 [PATCH v2] net: sched: em_text: fix possible memory leak in em_text_destroy() Hangyu Hua
2023-12-21 17:29 ` Simon Horman
2024-01-01 13:10 ` patchwork-bot+netdevbpf
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