From: "Ricardo B. Marlière via ltp" <ltp@lists.linux.it>
To: "Ricardo B. Marlière" <rbm@suse.com>,
"Linux Test Project" <ltp@lists.linux.it>
Subject: Re: [LTP] [PATCH v3] ldt.h: Add workaround for x86_64
Date: Tue, 20 May 2025 08:31:35 -0300 [thread overview]
Message-ID: <DA0YDBI0SQUN.2TLZFDRK8N1YD@suse.com> (raw)
In-Reply-To: <20250520-fixes-modify_ldt-v3-1-a78c79341d0c@suse.com>
On Tue May 20, 2025 at 8:29 AM -03, Ricardo B. Marlière wrote:
> From: Ricardo B. Marlière <rbm@suse.com>
>
> The commit be0aaca2f742 ("syscalls/modify_ldt: Add lapi/ldt.h") left behind
> an important factor of modify_ldt(): the kernel intentionally casts the
> return value to unsigned int. This was handled in
> testcases/cve/cve-2015-3290.c but was removed. Add it back to the relevant
> file.
>
> Reported-by: Martin Doucha <mdoucha@suse.cz>
> Reviewed-by: Martin Doucha <mdoucha@suse.cz>
> Signed-off-by: Ricardo B. Marlière <rbm@suse.com>
> ---
> Changes in v3:
> - EDITME: describe what is new in this series revision.
> - EDITME: use bulletpoints and terse descriptions.
> - Link to v2: https://lore.kernel.org/r/20250512-fixes-modify_ldt-v2-1-eaef5577e44e@suse.com
Changes in v3:
- Moved the `(rval == -1 && errno == EINVAL)` check into safe_modify_ldt.
--
Mailing list info: https://lists.linux.it/listinfo/ltp
next prev parent reply other threads:[~2025-05-20 11:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-20 11:29 [LTP] [PATCH v3] ldt.h: Add workaround for x86_64 Ricardo B. Marlière via ltp
2025-05-20 11:31 ` Ricardo B. Marlière via ltp [this message]
2025-05-20 11:34 ` Martin Doucha
2025-05-20 12:23 ` Andrea Cervesato via ltp
2025-05-20 14:17 ` Martin Doucha
2025-05-20 17:04 ` Andrea Cervesato via ltp
2025-05-20 17:29 ` Ricardo B. Marlière via ltp
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