5.10-stable review patch. If anyone has any objections, please let me know.
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From: Geliang Tang geliangtang@gmail.com
commit d88c476f4a7dd69a2588470f6c4f8b663efa16c6 upstream.
This patch exported the static function lookup_anno_list_by_saddr, and renamed it to mptcp_lookup_anno_list_by_saddr.
Signed-off-by: Geliang Tang geliangtang@gmail.com Signed-off-by: Mat Martineau mathew.j.martineau@linux.intel.com Signed-off-by: David S. Miller davem@davemloft.net Stable-dep-of: b4cd80b03389 ("mptcp: pm: Fix uaf in __timer_delete_sync") Signed-off-by: Matthieu Baerts (NGI0) matttbe@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/mptcp/pm_netlink.c | 10 +++++----- net/mptcp/protocol.h | 3 +++ 2 files changed, 8 insertions(+), 5 deletions(-)
--- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -194,9 +194,9 @@ static void check_work_pending(struct mp WRITE_ONCE(msk->pm.work_pending, false); }
-static struct mptcp_pm_add_entry * -lookup_anno_list_by_saddr(struct mptcp_sock *msk, - struct mptcp_addr_info *addr) +struct mptcp_pm_add_entry * +mptcp_lookup_anno_list_by_saddr(struct mptcp_sock *msk, + struct mptcp_addr_info *addr) { struct mptcp_pm_add_entry *entry;
@@ -255,7 +255,7 @@ mptcp_pm_del_add_timer(struct mptcp_sock struct sock *sk = (struct sock *)msk;
spin_lock_bh(&msk->pm.lock); - entry = lookup_anno_list_by_saddr(msk, addr); + entry = mptcp_lookup_anno_list_by_saddr(msk, addr); if (entry) entry->retrans_times = ADD_ADDR_RETRANS_MAX; spin_unlock_bh(&msk->pm.lock); @@ -272,7 +272,7 @@ static bool mptcp_pm_alloc_anno_list(str struct mptcp_pm_add_entry *add_entry = NULL; struct sock *sk = (struct sock *)msk;
- if (lookup_anno_list_by_saddr(msk, &entry->addr)) + if (mptcp_lookup_anno_list_by_saddr(msk, &entry->addr)) return false;
add_entry = kmalloc(sizeof(*add_entry), GFP_ATOMIC); --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -451,6 +451,9 @@ void mptcp_pm_free_anno_list(struct mptc struct mptcp_pm_add_entry * mptcp_pm_del_add_timer(struct mptcp_sock *msk, struct mptcp_addr_info *addr); +struct mptcp_pm_add_entry * +mptcp_lookup_anno_list_by_saddr(struct mptcp_sock *msk, + struct mptcp_addr_info *addr);
int mptcp_pm_announce_addr(struct mptcp_sock *msk, const struct mptcp_addr_info *addr,