From: Konstantin Khorenko <khorenko@virtuozzo.com>
To: Andrey Drobyshev <andrey.drobyshev@virtuozzo.com>,
Pavel Tikhomirov <ptikhomirov@virtuozzo.com>,
Vasileios Almpanis <vasileios.almpanis@virtuozzo.com>,
Konstantin Khorenko <khorenko@virtuozzo.com>
Cc: devel@openvz.org
Subject: Re: [Devel] [PATCH hci-8.1 v2 0/9] selftests/mm: broader MADV_DOEXEC coverage
Date: Wed, 04 Nov 2026 20:22:13 +0100 [thread overview]
Message-ID: <179382013338.2760255.5949682716490559434.b4-ty@b4> (raw)
In-Reply-To: <20261021-b4-prep-khorenko-vstor-149847-5-doexec-selftests-v2-0-97dbb5c6e0ab@virtuozzo.com>
On Wed, 21 Oct 2026 18:57:13 +0200, Konstantin Khorenko wrote:
> selftests/mm: broader MADV_DOEXEC coverage
>
> Selftests for MADV_DOEXEC beyond the cases the fixes need: the sysctl
> and the refused mappings, partial and attribute-carrying ranges (mlock,
> DONTFORK, WIPEONFORK, userfaultfd, memory policy), the opt-in note
> (missing, malformed, not in the last PT_NOTE), a preserved range under
> the new stack, large, swapped and partly marked THP ranges, an exec from
> a vfork() child, VM_MAYEXEC read from smaps and given back to the
> copies, and a /proc/pid/mem write and a vhost kthread that keep the old
> mm across the exec. Failing cases say why. Applies on top of "mm: allow
> MADV_DOEXEC on VFIO BAR mappings".
>
> [...]
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!
[1/9] selftests/mm: cover the MADV_DOEXEC interface and VMA attributes
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/a473bb986c4b
[2/9] selftests/mm: cover the MADV_DOEXEC opt-in note and the new stack
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/75c6152d8f93
[3/9] selftests/mm: cover large, swapped and partly marked THP ranges
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/6a6b8286c9ea
[4/9] selftests/mm: check that MADV_DOEXEC refuses an exec from a vfork() child
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/7ec5eabb428a
[5/9] selftests/mm: check VM_MAYEXEC of MADV_DOEXEC ranges in smaps
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/f6973d153870
[6/9] selftests/mm: check who can still reach the old mm of a preserving exec
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/1e11027cfb9a
[7/9] selftests/mm: say why a doexec case fails
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/2d1d09ba3f73
[8/9] selftests/mm: run repeated live updates through MADV_DOEXEC
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/33a4165d9c0b
[9/9] selftests/mm: do not lose doexec failures
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/0e5acf6879ab
--
Konstantin Khorenko,
Virtuozzo Linux Kernel Team
_______________________________________________
Devel mailing list
Devel@openvz.org
https://lists.openvz.org/mailman/listinfo/devel
prev parent reply other threads:[~2026-11-04 19:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-21 16:57 Konstantin Khorenko
2026-10-21 16:57 ` [Devel] [PATCH hci-8.1 v2 1/9] selftests/mm: cover the MADV_DOEXEC interface and VMA attributes Konstantin Khorenko
2026-10-21 16:57 ` [Devel] [PATCH hci-8.1 v2 2/9] selftests/mm: cover the MADV_DOEXEC opt-in note and the new stack Konstantin Khorenko
2026-10-21 16:57 ` [Devel] [PATCH hci-8.1 v2 3/9] selftests/mm: cover large, swapped and partly marked THP ranges Konstantin Khorenko
2026-10-21 16:57 ` [Devel] [PATCH hci-8.1 v2 4/9] selftests/mm: check that MADV_DOEXEC refuses an exec from a vfork() child Konstantin Khorenko
2026-10-21 16:57 ` [Devel] [PATCH hci-8.1 v2 5/9] selftests/mm: check VM_MAYEXEC of MADV_DOEXEC ranges in smaps Konstantin Khorenko
2026-10-21 16:57 ` [Devel] [PATCH hci-8.1 v2 6/9] selftests/mm: check who can still reach the old mm of a preserving exec Konstantin Khorenko
2026-10-21 16:57 ` [Devel] [PATCH hci-8.1 v2 7/9] selftests/mm: say why a doexec case fails Konstantin Khorenko
2026-10-21 16:57 ` [Devel] [PATCH hci-8.1 v2 8/9] selftests/mm: run repeated live updates through MADV_DOEXEC Konstantin Khorenko
2026-10-21 16:57 ` [Devel] [PATCH hci-8.1 v2 9/9] selftests/mm: do not lose doexec failures Konstantin Khorenko
2026-11-04 19:22 ` 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=179382013338.2760255.5949682716490559434.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.