netdev - Re: [PATCH v2 2/4] modules: Add new special vfree flags

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] [thread-next>] [day] [month] [year] [list]

Message-ID: <ae9292380803f891a2472ebec70361b7c1af48d8.camel@intel.com>
Date:   Thu, 13 Dec 2018 19:02:51 +0000
From:   "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
To:     "namit@...are.com" <namit@...are.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "jeyu@...nel.org" <jeyu@...nel.org>,
        "rostedt@...dmis.org" <rostedt@...dmis.org>,
        "ast@...nel.org" <ast@...nel.org>,
        "ard.biesheuvel@...aro.org" <ard.biesheuvel@...aro.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "jannh@...gle.com" <jannh@...gle.com>,
        "Dock, Deneen T" <deneen.t.dock@...el.com>,
        "kristen@...ux.intel.com" <kristen@...ux.intel.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "will.deacon@....com" <will.deacon@....com>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "luto@...nel.org" <luto@...nel.org>,
        "kernel-hardening@...ts.openwall.com" 
        <kernel-hardening@...ts.openwall.com>,
        "Keshavamurthy, Anil S" <anil.s.keshavamurthy@...el.com>,
        "mhiramat@...nel.org" <mhiramat@...nel.org>,
        "naveen.n.rao@...ux.vnet.ibm.com" <naveen.n.rao@...ux.vnet.ibm.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "Hansen, Dave" <dave.hansen@...el.com>
Subject: Re: [PATCH v2 2/4] modules: Add new special vfree flags

On Wed, 2018-12-12 at 23:40 +0000, Nadav Amit wrote:
> > On Dec 11, 2018, at 4:03 PM, Rick Edgecombe <rick.p.edgecombe@...el.com>
> > wrote:
> > 
> > Add new flags for handling freeing of special permissioned memory in
> > vmalloc,
> > and remove places where the handling was done in module.c.
> > 
> > This will enable this flag for all architectures.
> > 
> > Signed-off-by: Rick Edgecombe <rick.p.edgecombe@...el.com>
> > ---
> > kernel/module.c | 43 ++++++++++++-------------------------------
> > 1 file changed, 12 insertions(+), 31 deletions(-)
> > 
> 
> I count on you for merging your patch-set with mine, since clearly they
> conflict.
> 
Yes, I can rebase on top of yours if you omit the changes around module_memfree 
for your next version. It should fit together pretty cleanly for BPF and modules
I think. Not sure what you are planning for kprobes and ftrace.