On 05/03/2018 06:04 PM, Mark Rutland wrote: > It's possible for userspace to control attr->map_type. Sanitize it when > using it as an array index to prevent an out-of-bounds value being used > under speculation. > > Found by smatch. > > Signed-off-by: Mark Rutland <mark.rutl...@arm.com> > Cc: Alexei Starovoitov <a...@kernel.org> > Cc: Dan Carpenter <dan.carpen...@oracle.com> > Cc: Daniel Borkmann <dan...@iogearbox.net> > Cc: Peter Zijlstra <pet...@infradead.org> > Cc: netdev@vger.kernel.org
Applied to bpf tree, thanks Mark! I've also just submitted one for BPF progs (http://patchwork.ozlabs.org/patch/908385/) which is same situation.
