Author: emaste
Date: Sat Oct 7 20:20:01 2017
New Revision: 324398
URL: https://svnweb.freebsd.org/changeset/base/324398
Log:
MFC r323675: libsysdecode: report invalid cap_rights_t
Previously we'd have an assertion failure in cap_rights_is_set if
sysdecode_cap_rights is called with an invalid cap_rights_t, so test for
validity first.
PR: 222258
Sponsored by: The FreeBSD Foundation
Modified:
stable/11/lib/libsysdecode/flags.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/lib/libsysdecode/flags.c
==============================================================================
--- stable/11/lib/libsysdecode/flags.c Sat Oct 7 20:18:20 2017
(r324397)
+++ stable/11/lib/libsysdecode/flags.c Sat Oct 7 20:20:01 2017
(r324398)
@@ -988,8 +988,15 @@ void
sysdecode_cap_rights(FILE *fp, cap_rights_t *rightsp)
{
struct name_table *t;
+ int i;
bool comma;
+ for (i = 0; i < CAPARSIZE(rightsp); i++) {
+ if (CAPIDXBIT(rightsp->cr_rights[i]) != 1 << i) {
+ fprintf(fp, "invalid cap_rights_t");
+ return;
+ }
+ }
comma = false;
for (t = caprights; t->str != NULL; t++) {
if (cap_rights_is_set(rightsp, t->val)) {
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