On Fri, Oct 28, 2016 at 05:42:21PM -0200, Marcelo Ricardo Leitner wrote: > On Fri, Oct 28, 2016 at 06:10:53PM +0800, Xin Long wrote: > > Prior to this patch, it used a local variable to save the transport that is > > looked up by __sctp_lookup_association(), and didn't return it back. But in > > sctp_rcv, it is used to initialize chunk->transport. So when hitting this > > code, it was initializing chunk->transport with some random stack value > > instead. > > > > This patch is to return the transport back through transport pointer > > that is from __sctp_rcv_lookup_harder(). > > > > Signed-off-by: Xin Long <lucien....@gmail.com> > > Acked-by: Marcelo Ricardo Leitner <marcelo.leit...@gmail.com> > > transport pointer in sctp_rcv() is initialized to null and there are > checks for it after this path, so this shouldn't be exploitable, just > malfunction.
This actually sort of contradicts the changelog. Xin, did I miss something here? Seems we need to update the changelog if not.