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: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Thu, 16 Jun 2022 15:38:02 +0100
From:   Matthew Wilcox <>
To:     "Jason A. Donenfeld" <>
        Uladzislau Rezki <>,
        Kees Cook <>,
        Greg Kroah-Hartman <>,
        Linus Torvalds <>,
        Joe Perches <>
Subject: Re: [PATCH] usercopy: use unsigned long instead of uintptr_t

On Thu, Jun 16, 2022 at 04:36:17PM +0200, Jason A. Donenfeld wrote:
> A recent commit factored out a series of annoying (unsigned long) casts
> into a single variable declaration, but made the pointer type a
> `uintptr_t` rather than the usual `unsigned long`. This patch changes it
> to be the integer type more typically used by the kernel to represent
> addresses.

No.  I did this on purpose.  uintptr_t is the correct type to represent
a pointer that's being used as an integer.  This dinosaur approach of
using unsigned long has to stop.

Powered by blists - more mailing lists