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 <[email protected]> > Cc: Alexei Starovoitov <[email protected]> > Cc: Dan Carpenter <[email protected]> > Cc: Daniel Borkmann <[email protected]> > Cc: Peter Zijlstra <[email protected]> > Cc: [email protected]
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.
