OpenVZ / Virtuozzo kernel development (devel@openvz.org)
 help / color / mirror / Atom feed
From: Konstantin Khorenko <khorenko@virtuozzo.com>
To: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>,
	Andrey Drobyshev <andrey.drobyshev@virtuozzo.com>,
	Vasileios Almpanis <vasileios.almpanis@virtuozzo.com>,
	Konstantin Khorenko <khorenko@virtuozzo.com>
Cc: devel@openvz.org
Subject: Re: [Devel] [PATCH hci-8.1 0/7] mm, exec: fix the MADV_DOEXEC code we carry from Oracle
Date: Wed, 04 Nov 2026 20:21:36 +0100	[thread overview]
Message-ID: <179382009675.2760255.5950188615715657150.b4-ty@b4> (raw)
In-Reply-To: <20261014-b4-prep-khorenko-vstor-149847-3-doexec-oracle-fixes-v1-0-e34cbe0d1440@virtuozzo.com>

On Wed, 14 Oct 2026 19:12:19 +0200, Konstantin Khorenko wrote:
> mm, exec: fix the MADV_DOEXEC code we carry from Oracle
> 
> Fixes in the existing Oracle MADV_DOEXEC code, found while working on
> VSTOR-149847, and a refusal of preserved memory across setuid exec.
> Applies on top of "mm: keep DMA-pinned MADV_DOEXEC memory working across
> exec".
> 
> [...]

Applied to branch-rh10-6.12.0-211.52.1.22.x.vz10-ovz, will be released in rh10-6.12.0-211.52.1.22.18.vz10, thanks!

[1/7] oracle/mm: take a file reference when preserving a file-backed VMA
      https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/f4e104c2c212
[2/7] oracle/mm: refuse MADV_DOEXEC on special mappings
      https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/63f64110d674
[3/7] oracle/mm: keep a MADV_DOEXEC range from becoming executable
      https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/9c46b9df2c32
[4/7] oracle/exec, elf: look for the opt-in note in every PT_NOTE segment
      https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/eb564719f827
[5/7] exec: refuse to preserve memory across a privilege-changing exec
      https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/3bcf0711f01b
[6/7] selftests/mm: check that a setuid exec refuses preserved memory
      https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/8fbaf630e8a5
[7/7] selftests/mm: check MADV_DOEXEC on /dev/zero and exec permission
      https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/604ec9e520c8

-- 
Konstantin Khorenko,
Virtuozzo Linux Kernel Team


_______________________________________________
Devel mailing list
Devel@openvz.org
https://lists.openvz.org/mailman/listinfo/devel

      parent reply	other threads:[~2026-11-04 19:22 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-14 17:12 Konstantin Khorenko
2026-10-14 17:12 ` [Devel] [PATCH hci-8.1 1/7] oracle/mm: take a file reference when preserving a file-backed VMA Konstantin Khorenko
2026-10-14 17:12 ` [Devel] [PATCH hci-8.1 2/7] oracle/mm: refuse MADV_DOEXEC on special mappings Konstantin Khorenko
2026-10-14 17:12 ` [Devel] [PATCH hci-8.1 3/7] oracle/mm: keep a MADV_DOEXEC range from becoming executable Konstantin Khorenko
2026-10-14 17:12 ` [Devel] [PATCH hci-8.1 4/7] oracle/exec, elf: look for the opt-in note in every PT_NOTE segment Konstantin Khorenko
2026-10-14 17:12 ` [Devel] [PATCH hci-8.1 5/7] exec: refuse to preserve memory across a privilege-changing exec Konstantin Khorenko
2026-10-14 17:12 ` [Devel] [PATCH hci-8.1 6/7] selftests/mm: check that a setuid exec refuses preserved memory Konstantin Khorenko
2026-10-14 17:12 ` [Devel] [PATCH hci-8.1 7/7] selftests/mm: check MADV_DOEXEC on /dev/zero and exec permission Konstantin Khorenko
2026-11-04 19:21 ` Konstantin Khorenko [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=179382009675.2760255.5950188615715657150.b4-ty@b4 \
    --to=khorenko@virtuozzo.com \
    --cc=andrey.drobyshev@virtuozzo.com \
    --cc=devel@openvz.org \
    --cc=ptikhomirov@virtuozzo.com \
    --cc=vasileios.almpanis@virtuozzo.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox