sctp: Call inet6_destroy_sock() via sk->sk_destruct().
stable inclusion from stable-v4.19.282 commit 8af86ad54d3bb01548c19c0466cf732008dbabe6 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I6TPN9 CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=8af86ad54d3bb01548c19c0466cf732008dbabe6 -------------------------------- commit 6431b0f6 upstream. After commit d38afeec ("tcp/udp: Call inet6_destroy_sock() in IPv6 sk->sk_destruct()."), we call inet6_destroy_sock() in sk->sk_destruct() by setting inet6_sock_destruct() to it to make sure we do not leak inet6-specific resources. SCTP sets its own sk->sk_destruct() in the sctp_init_sock(), and SCTPv6 socket reuses it as the init function. To call inet6_sock_destruct() from SCTPv6 sk->sk_destruct(), we set sctp_v6_destruct_sock() in a new init function. Signed-off-by: NKuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net> Signed-off-by: NZiyang Xuan <william.xuanziyang@huawei.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: NZiyang Xuan <william.xuanziyang@huawei.com> Reviewed-by: NYue Haibing <yuehaibing@huawei.com> Signed-off-by: NYongqiang Liu <liuyongqiang13@huawei.com>
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