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]
Date:	Thu, 23 Feb 2012 01:08:12 +0100
From:	"Indan Zupancic" <>
To:	"Andrew Lutomirski" <>
Cc:	"Will Drewry" <>,
	"Ben Hutchings" <>,,,,,,,,,,,,,,,,,,,,,,,,,
Subject: Re: [PATCH v10 05/11] seccomp: add system call filtering using BPF

On Thu, February 23, 2012 00:51, Andrew Lutomirski wrote:
> On Wed, Feb 22, 2012 at 3:46 PM, Indan Zupancic <> wrote:
>> On Wed, February 22, 2012 20:47, Will Drewry wrote:
>>> On Wed, Feb 22, 2012 at 8:23 AM, Ben Hutchings
>>>> I would have thought the way to make sure the architecture is always
>>>> checked is to pack it together with the syscall number.
>> I missed that suggestion, putting the syscall number and arch in one
>> data field would indeed make it harder to not check the arch.
> Is there enough room?  On x86-64 at least, rax could conceivably be
> extended to 64 bits some day.  Bit 30 is already spoken for by x32.

No, there isn't.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists