Re: [PATCH net-next] dsa: fix flow disector null pointer

From: Craig Gallek <redacted>
Date: Tue, 15 Aug 2017 09:43:40 -0400

From: Craig Gallek <redacted>

A recent change to fix up DSA device behavior made the assumption that
all skbs passing through the flow disector will be associated with a
device. This does not appear to be a safe assumption.  Syzkaller found
the crash below by attaching a BPF socket filter that tries to find the
payload offset of a packet passing between two unix sockets.

 ...

Fixes: 43e665287f93 ("net-next: dsa: fix flow dissection")
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Craig Gallek <redacted>

Applied, thanks.