Merge branch 'sctp-fix-two-issues-in-sctp_clone_sock'

Kuniyuki Iwashima says:

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sctp: Fix two issues in sctp_clone_sock().

syzbot reported two issues in sctp_clone_sock().

This series fixes the issues.

v1: https://lore.kernel.org/netdev/20251208133728.157648-1-kuniyu@google.com/
====================

Link: https://patch.msgid.link/20251210081206.1141086-1-kuniyu@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>