Patch "net: sched: em_text: fix possible memory leak in em_text_destroy()" has been added to the 6.1-stable tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This is a note to let you know that I've just added the patch titled

    net: sched: em_text: fix possible memory leak in em_text_destroy()

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     net-sched-em_text-fix-possible-memory-leak-in-em_tex.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 93c23c768858a1ae196116f045b4c1ff98e4e843
Author: Hangyu Hua <hbh25y@xxxxxxxxx>
Date:   Thu Dec 21 10:25:31 2023 +0800

    net: sched: em_text: fix possible memory leak in em_text_destroy()
    
    [ 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@xxxxxxxxxxxx>
    Signed-off-by: Hangyu Hua <hbh25y@xxxxxxxxx>
    Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
    Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/net/sched/em_text.c b/net/sched/em_text.c
index 6f3c1fb2fb44c..f176afb70559e 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)




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux