lkml.org 
[lkml]   [2018]   [Mar]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v12 14/22] selftests/vm: clear the bits in shadow reg when a pkey is freed.
From
Date
On 02/21/2018 05:55 PM, Ram Pai wrote:
> diff --git a/tools/testing/selftests/vm/protection_keys.c b/tools/testing/selftests/vm/protection_keys.c
> index c4c73e6..e82bd88 100644
> --- a/tools/testing/selftests/vm/protection_keys.c
> +++ b/tools/testing/selftests/vm/protection_keys.c
> @@ -586,7 +586,8 @@ int sys_pkey_free(unsigned long pkey)
> int ret = syscall(SYS_pkey_free, pkey);
>
> if (!ret)
> - shadow_pkey_reg &= reset_bits(pkey, PKEY_DISABLE_ACCESS);
> + shadow_pkey_reg &= reset_bits(pkey,
> + PKEY_DISABLE_ACCESS | PKEY_DISABLE_WRITE);
> dprintf1("%s(pkey=%ld) syscall ret: %d\n", __func__, pkey, ret);
> return ret;
> }

What about your EXEC bit?

\
 
 \ /
  Last update: 2018-03-16 23:24    [W:0.358 / U:0.168 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site