On Fri, Mar 03, 2017 at 01:27:10PM +0100, Jiri Slaby wrote:
> There is code duplicated over all architecture's headers for
> futex_atomic_op_inuser. Namely op decoding, access_ok check for uaddr,
> and comparison of the result.
>
> Remove this duplication and leave up to the arches only the needed
On Wed, Mar 15, 2017 at 12:44:47PM -0700, Till Smejkal wrote:
> On Wed, 15 Mar 2017, Andy Lutomirski wrote:
> > > One advantage of VAS segments is that they can be globally queried by
> > > user programs
> > > which means that VAS segments can be shared by applications that not
> > > necessarily
On Fri, Mar 23, 2018 at 05:48:06AM -0700, Matthew Wilcox wrote:
> On Thu, Mar 22, 2018 at 07:36:36PM +0300, Ilya Smith wrote:
> > Current implementation doesn't randomize address returned by mmap.
> > All the entropy ends with choosing mmap_base_addr at the process
> > creation. After that mmap bui
On Fri, Mar 23, 2018 at 12:06:18PM -0700, Matthew Wilcox wrote:
> On Fri, Mar 23, 2018 at 02:00:24PM -0400, Rich Felker wrote:
> > On Fri, Mar 23, 2018 at 05:48:06AM -0700, Matthew Wilcox wrote:
> > > On Thu, Mar 22, 2018 at 07:36:36PM +0300, Ilya Smith wrote:
> > &g
On Fri, Mar 23, 2018 at 12:29:52PM -0700, Matthew Wilcox wrote:
> On Fri, Mar 23, 2018 at 03:16:21PM -0400, Rich Felker wrote:
> > > Huh, I thought libc was aware of this. Also, I'd expect a libc-based
> > > implementation to restrict itself to, eg, only loading librari
On Tue, Mar 27, 2018 at 06:16:35PM -0400, Theodore Y. Ts'o wrote:
> On Tue, Mar 27, 2018 at 04:51:08PM +0300, Ilya Smith wrote:
> > > /dev/[u]random is not sufficient?
> >
> > Using /dev/[u]random makes 3 syscalls - open, read, close. This is a
> > performance
> > issue.
>
> You may want to take
On Tue, Mar 27, 2018 at 04:49:04PM -0700, Matthew Wilcox wrote:
> On Tue, Mar 27, 2018 at 03:53:53PM -0700, Kees Cook wrote:
> > I agree: pushing this off to libc leaves a lot of things unprotected.
> > I think this should live in the kernel. The question I have is about
> > making it maintainable/
On Fri, Mar 30, 2018 at 09:55:08AM +0200, Pavel Machek wrote:
> Hi!
>
> > Current implementation doesn't randomize address returned by mmap.
> > All the entropy ends with choosing mmap_base_addr at the process
> > creation. After that mmap build very predictable layout of address
> > space. It all
On Tue, Apr 30, 2019 at 03:53:18PM +, Vineet Gupta wrote:
> On 4/29/19 6:18 PM, Arnaldo Carvalho de Melo wrote:
> >>> Auto-detecting system features:
> >>> ... dwarf: [ OFF ]
> >>> ...dwarf_getlocations: [ OFF ]
> >>> ... glibc: [ on
On Tue, Apr 30, 2019 at 10:13:40AM -0700, Vineet Gupta wrote:
> On 4/30/19 10:04 AM, Rich Felker wrote:
> > On Tue, Apr 30, 2019 at 03:53:18PM +, Vineet Gupta wrote:
> >> On 4/29/19 6:18 PM, Arnaldo Carvalho de Melo wrote:
> >>>>
ex.h | 6 --
> kernel/futex/syscalls.c | 22 ------
> 15 files changed, 82 deletions(-)
Acked-by: Rich Felker
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