tree 51207909b96e53c69896d77e530f4391825db273
parent fca4a9aa565b369d26a0ff79836878005dc1e4cb
author Jorge Lucangeli Obes <jorgelo@google.com> 1476806578 -0400
committer Jorge Lucangeli Obes <jorgelo@google.com> 1476807464 -0400

Fix invalid constant error reporting.

zentaro@ pointed out it's hard to debug syscall policy failures when
using an unrecognized constant.

Print an error when reading an invalid argument index, an invalid
constant, or an invalid errno value.

Bug: 32236891
Test: syscall_filter_unittest
Change-Id: Ifb20efcd9b107ca240ab37ac5e3ed501f55d6dea