Re: [PATCH net] sctp: fix the panic caused by route update

2016-10-26 Thread David Miller
From: Xin Long Date: Mon, 24 Oct 2016 01:01:09 +0800 > Commit 7303a1475008 ("sctp: identify chunks that need to be fragmented > at IP level") made the chunk be fragmented at IP level in the next round > if it's size exceed PMTU. > > But there still is another case, PMTU can be updated if transpo

Re: [PATCH net] sctp: fix the panic caused by route update

2016-10-24 Thread Neil Horman
On Mon, Oct 24, 2016 at 01:01:09AM +0800, Xin Long wrote: > Commit 7303a1475008 ("sctp: identify chunks that need to be fragmented > at IP level") made the chunk be fragmented at IP level in the next round > if it's size exceed PMTU. > > But there still is another case, PMTU can be updated if tran

[PATCH net] sctp: fix the panic caused by route update

2016-10-23 Thread Xin Long
Commit 7303a1475008 ("sctp: identify chunks that need to be fragmented at IP level") made the chunk be fragmented at IP level in the next round if it's size exceed PMTU. But there still is another case, PMTU can be updated if transport's dst expires and transport's pmtu_pending is set in sctp_pack