Re: [PATCH v12 07/22] selftests/vm: fixed bugs in pkey_disable_clear()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 02/21/2018 05:55 PM, Ram Pai wrote:
> --- a/tools/testing/selftests/vm/protection_keys.c
> +++ b/tools/testing/selftests/vm/protection_keys.c
> @@ -461,7 +461,7 @@ void pkey_disable_clear(int pkey, int flags)
>  			pkey, pkey, pkey_rights);
>  	pkey_assert(pkey_rights >= 0);
>  
> -	pkey_rights |= flags;
> +	pkey_rights &= ~flags;
>  
>  	ret = pkey_set(pkey, pkey_rights, 0);
>  	/* pkey_reg and flags have the same format */
> @@ -475,7 +475,7 @@ void pkey_disable_clear(int pkey, int flags)
>  	dprintf1("%s(%d) pkey_reg: 0x%016lx\n", __func__,
>  			pkey, rdpkey_reg());
>  	if (flags)
> -		assert(rdpkey_reg() > orig_pkey_reg);
> +		assert(rdpkey_reg() < orig_pkey_reg);
>  }
>  
>  void pkey_write_allow(int pkey)

This seems so horribly wrong that I wonder how it worked in the first
place.  Any idea?
--
To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]

  Powered by Linux