linux-kernel - Re: [PATCH] kbuild: disable clang's default use of -fmerge-all-constants

lists.openwall.net		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] [day] [month] [year] [list]

Date:   Tue, 20 Mar 2018 17:58:41 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Daniel Borkmann <daniel@...earbox.net>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Alexei Starovoitov <ast@...nel.org>, psodagud@...eaurora.org,
        Network Development <netdev@...r.kernel.org>,
        Chenbo Feng <fengc@...gle.com>,
        Richard Smith <richard-llvm@...afoo.co.uk>,
        Chandler Carruth <chandlerc@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kbuild: disable clang's default use of
 -fmerge-all-constants

On Wed, Mar 21, 2018 at 01:38:45AM +0100, Daniel Borkmann wrote:
> On 03/21/2018 01:36 AM, Linus Torvalds wrote:
> > On Tue, Mar 20, 2018 at 5:18 PM, Daniel Borkmann <daniel@...earbox.net> wrote:
> >> Prasad reported that he has seen crashes in BPF subsystem with netd
> >> on Android with arm64 in the form of (note, the taint is unrelated):
> > 
> > Ack. This looks good to me. And thanks for noticing the behavior wrt
> > the correct gcc merging.
> > 
> >>  [ Hi Linus, feel free to take this fix directly if you want.
> >>    Alternatively, we could route it via bpf tree. Thanks a
> >>    lot for your feedback! ]
> > 
> > So since it's your patch and the only known issue comes from the bpf
> > side, I think it should just go through the bpf tree, and I expect it
> > to get to me through all the usual channels.
> 
> Yeah, that's fine, thanks for letting us know!

Applied to bpf tree, thanks everyone.