commit 275b07fb79f3bd2d9ffc944db3840931cedc46e1
author Jorge Lucangeli Obes <jorgelo@chromium.org> Tue Aug 28 11:50:29 2012 -0700
committer Gerrit <chrome-bot@google.com> Tue Aug 28 13:38:18 2012 -0700
tree 7605c91efce60eb20d61db76a0f8ecbe82fe17f2
parent 6201cf5ab4a71c2faa61f61a2e5553a04db3c730

Minijail: add better error reporting when including an invalid syscall.

BUG=None
TEST=syscall_filter_unittest

Change-Id: I8aa5963d8b0c2392865027bde5948fd746a07da8
Reviewed-on: https://gerrit.chromium.org/gerrit/31620
Tested-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Commit-Ready: Jorge Lucangeli Obes <jorgelo@chromium.org>

syscall_filter.c

diff --git a/syscall_filter.c b/syscall_filter.c
index b7dfb77..a1f65d6 100644
--- a/syscall_filter.c
+++ b/syscall_filter.c
@@ -393,8 +393,11 @@
 			return -1;
 
 		nr = lookup_syscall(syscall_name);
-		if (nr < 0)
+		if (nr < 0) {
+			warn("compile_filter: nonexistent syscall '%s'",
+			     syscall_name);
 			return -1;
+		}
 
 		policy = strip(policy);