linux-kernel - [PATCH v2 01/11] lib/test_bitmap: Force argument of bitmap_parselist

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20191022172922.61232-2-andriy.shevchenko@linux.intel.com>
Date:   Tue, 22 Oct 2019 20:29:12 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        linux-gpio@...r.kernel.org,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Yury Norov <yury.norov@...il.com>,
        linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        William Breathitt Gray <vilhelm.gray@...il.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v2 01/11] lib/test_bitmap: Force argument of bitmap_parselist_user() to proper address space

Sparse complains:

lib/test_bitmap.c:345:58: warning: incorrect type in argument 1 (different address spaces)
lib/test_bitmap.c:345:58:    expected char const [noderef] <asn:1> *ubuf
lib/test_bitmap.c:345:58:    got char const *const in

Force argument of bitmap_parselist_user() to proper address space.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 lib/test_bitmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c
index dc167c13eb39..09aa29a6b562 100644
--- a/lib/test_bitmap.c
+++ b/lib/test_bitmap.c
@@ -330,7 +330,7 @@ static void __init __test_bitmap_parselist(int is_user)
 
 			set_fs(KERNEL_DS);
 			time = ktime_get();
-			err = bitmap_parselist_user(ptest.in, len,
+			err = bitmap_parselist_user((__force const char __user *)ptest.in, len,
 						    bmap, ptest.nbits);
 			time = ktime_get() - time;
 			set_fs(orig_fs);
-- 
2.23.0