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mptcp: Call dst_release() in mptcp_active_enable().

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[ Upstream commit 108a86c71c93ff28087994e6107bc99ebe336629 ]

mptcp_active_enable() calls sk_dst_get(), which returns dst with its
refcount bumped, but forgot dst_release().

Let's add missing dst_release().

Cc: stable@vger.kernel.org
Fixes: 27069e7cb3 ("mptcp: disable active MPTCP in case of blackhole")
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250916214758.650211-7-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stable-dep-of: 893c49a78d9f ("mptcp: Use __sk_dst_get() and dst_dev_rcu() in mptcp_active_enable().")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kuniyuki Iwashima
2025-09-16 21:47:24 +00:00
committed by Greg Kroah-Hartman
parent feb474ddbf
commit 0a14dbd8a2
1 changed files with 2 additions and 0 deletions
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2
net/mptcp/ctrl.c
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@@ -505,6 +505,8 @@ void mptcp_active_enable(struct sock *sk)
if (dst && dst->dev && (dst->dev->flags & IFF_LOOPBACK))
atomic_set(&pernet->active_disable_times, 0);
dst_release(dst);
}
}