Mark Johnston 4250aa1188 sctp: Clear assoc socket references when freeing a PCB
This restores behaviour present in the first import of SCTP.  Commit
ceaad40ae729dea2c5d8ffcfdd45bb96fb8969d2 commented this out and commit
62fb761ff28bb184a2543e539dd689fefd5d3246 removed it.  However, once
sctp_inpcb_free() returns, the socket reference is gone no matter what,
so we need to clear it.

Reported by:	syzbot+30dd69297fcbc5f0e10a@syzkaller.appspotmail.com
Reported by:	syzbot+7b2f9d4bcac1c9569291@syzkaller.appspotmail.com
Reported by:	syzbot+ed3e651f7d040af480a6@syzkaller.appspotmail.com
Reviewed by:	tuexen
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D31886
2021-09-09 08:33:26 -04:00
..
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