| commit | d200cf624c9247ab52b67d34d9e198262a23df31 | [log] [tgz] |
|---|---|---|
| author | Christoph Hellwig <hch@lst.de> | Thu Jul 23 08:08:45 2020 +0200 |
| committer | David S. Miller <davem@davemloft.net> | Fri Jul 24 15:41:53 2020 -0700 |
| tree | 7eb16c965917dd917b545cccfc5a4d1fff1854d6 | |
| parent | c9ffebdde8deccf9ea3a7a97bcd84de0a35ddad7 [diff] |
bpfilter: reject kernel addresses The bpfilter user mode helper processes the optval address using process_vm_readv. Don't send it kernel addresses fed under set_fs(KERNEL_DS) as that won't work. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>