Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.9 025/133] chelsio/chtls: fix always leaking ctrl_skb | Date | Mon, 9 Nov 2020 13:54:47 +0100 |
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From: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
[ Upstream commit dbfe394dad33f99cf8458be50483ec40a5d29c34 ]
Correct skb refcount in alloc_ctrl_skb(), causing skb memleak when chtls_send_abort() called with NULL skb. it was always leaking the skb, correct it by incrementing skb refs by one.
Fixes: cc35c88ae4db ("crypto : chtls - CPL handler definition") Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com> Link: https://lore.kernel.org/r/20201102173909.24826-1-vinay.yadav@chelsio.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/crypto/chelsio/chtls/chtls_cm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/crypto/chelsio/chtls/chtls_cm.c +++ b/drivers/crypto/chelsio/chtls/chtls_cm.c @@ -212,7 +212,7 @@ static struct sk_buff *alloc_ctrl_skb(st { if (likely(skb && !skb_shared(skb) && !skb_cloned(skb))) { __skb_trim(skb, 0); - refcount_add(2, &skb->users); + refcount_inc(&skb->users); } else { skb = alloc_skb(len, GFP_KERNEL | __GFP_NOFAIL); }
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