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net: atm: fix skb leak in sigd_send() default branch

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The default branch in sigd_send() calls sock_put() and returns -EINVAL
without freeing the skb, while all other exit paths do so. Add the
missing dev_kfree_skb() before sock_put() to fix the leak.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Wei Yang <albinwyang@tencent.com>
Link: https://patch.msgid.link/20260509122358.1102997-1-albin_yang@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Wei Yang 2026-05-09 20:23:58 +08:00 committed by Jakub Kicinski
parent e3adf69f8e
commit f9e2342046
1 changed files with 1 additions and 0 deletions
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net/atm/signaling.c
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@ -179,6 +179,7 @@ static int sigd_send(struct atm_vcc *vcc, struct sk_buff *skb)
break;
default:
pr_alert("bad message type %d\n", (int)msg->type);
dev_kfree_skb(skb);
/* Paired with find_get_vcc(msg->vcc) above */
sock_put(sk);
return -EINVAL;