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

2017-08-15 Thread David Miller
From: Craig Gallek Date: Tue, 15 Aug 2017 09:43:40 -0400 > From: Craig Gallek > > 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 foun

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

2017-08-15 Thread Andrew Lunn
On Tue, Aug 15, 2017 at 09:43:40AM -0400, Craig Gallek wrote: > From: Craig Gallek > > 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 f

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

2017-08-15 Thread Craig Gallek
From: Craig Gallek 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