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  PHC 
Open Source and information security mailing list archives
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Fri, 1 May 2020 14:19:03 -0700
From:   Andrew Morton <>
To:     Christoph Hellwig <>
Cc:     Alexander Viro <>,,
Subject: Re: [PATCH 2/2] exec: open code copy_string_kernel

On Fri,  1 May 2020 12:41:05 +0200 Christoph Hellwig <> wrote:

> Currently copy_string_kernel is just a wrapper around copy_strings that
> simplifies the calling conventions and uses set_fs to allow passing a
> kernel pointer.  But due to the fact the we only need to handle a single
> kernel argument pointer, the logic can be sigificantly simplified while
> getting rid of the set_fs.

I don't get why this is better?  copy_strings() is still there and
won't be going away - what's wrong with simply reusing it in this

I guess set_fs() is a bit hacky, but there's the benefit of not having
to maintain two largely similar bits of code?

Powered by blists - more mailing lists