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[SCTP]: Fix couple of races between sctp_peeloff() and sctp_rcv().

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Validate and update the sk in sctp_rcv() to avoid the race where an
assoc/ep could move to a different socket after we get the sk, but before
the skb is added to the backlog.

Also migrate the skb's in backlog queue to new sk when doing a peeloff.

Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
This commit is contained in:
Sridhar Samudrala 2006-01-17 11:56:26 -08:00
commit c4d2444e99
3 changed files with 40 additions and 1 deletions
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2
include/net/sctp/sctp.h
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@ -175,6 +175,8 @@ void sctp_icmp_frag_needed(struct sock *, struct sctp_association *,
void sctp_icmp_proto_unreachable(struct sock *sk,
struct sctp_association *asoc,
struct sctp_transport *t);
void sctp_backlog_migrate(struct sctp_association *assoc,
struct sock *oldsk, struct sock *newsk);
/*
* Section: Macros, externs, and inlines