On Sun, 2015-09-13 at 00:56 +0200, Willy Tarreau wrote: > 2.6.32-longterm review patch. If anyone has any objections, please let me > know. > > ------------------ > > From: Alexander Sverdlin <alexander.sverd...@nokia.com> > > [ Upstream commit 29c4afc4e98f4dc0ea9df22c631841f9c220b944 ] > > There is NULL pointer dereference possible during statistics update if the > route > used for OOTB responce is removed at unfortunate time. If the route exists > when > we receive OOTB packet and we finally jump into sctp_packet_transmit() to send > ABORT, but in the meantime route is removed under our feet, we take "no_route" > path and try to update stats with IP_INC_STATS(sock_net(asoc->base.sk), ...). [...] > [bwh: Backported to 3.2: sctp alway uses init_net] > Signed-off-by: Ben Hutchings <b...@decadent.org.uk> [...]
This doesn't make sense in 2.6.32 and it didn't make sense for me to apply it to 3.2 either! Since sctp is not using asoc to look up a net namespace here, the null pointer doesn't get dereferenced. Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
