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From: Kees Cook <keescook@chromium.org>
To: Suren Baghdasaryan <surenb@google.com>
Cc: "Andrew Morton" <akpm@linux-foundation.org>,
	"Colin Cross" <ccross@google.com>,
	"Sumit Semwal" <sumit.semwal@linaro.org>,
	"Michal Hocko" <mhocko@suse.com>,
	"Dave Hansen" <dave.hansen@intel.com>,
	"Matthew Wilcox" <willy@infradead.org>,
	"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
	"Vlastimil Babka" <vbabka@suse.cz>,
	"Johannes Weiner" <hannes@cmpxchg.org>,
	"Jonathan Corbet" <corbet@lwn.net>,
	"Al Viro" <viro@zeniv.linux.org.uk>,
	"Randy Dunlap" <rdunlap@infradead.org>,
	"Kalesh Singh" <kaleshsingh@google.com>,
	"Peter Xu" <peterx@redhat.com>,
	rppt@kernel.org, "Peter Zijlstra" <peterz@infradead.org>,
	"Catalin Marinas" <catalin.marinas@arm.com>,
	vincenzo.frascino@arm.com,
	"Chinwen Chang (張錦文)" <chinwen.chang@mediatek.com>,
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	"Jann Horn" <jannh@google.com>,
	apopple@nvidia.com, "John Hubbard" <jhubbard@nvidia.com>,
	"Yu Zhao" <yuzhao@google.com>, "Will Deacon" <will@kernel.org>,
	fenghua.yu@intel.com, thunder.leizhen@huawei.com,
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	"Thomas Gleixner" <tglx@linutronix.de>,
	krisman@collabora.com, chris.hyser@oracle.com,
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	"Jens Axboe" <axboe@kernel.dk>,
	legion@kernel.org, "Rolf Eike Beer" <eb@emlix.com>,
	"Cyrill Gorcunov" <gorcunov@gmail.com>,
	"Muchun Song" <songmuchun@bytedance.com>,
	"Viresh Kumar" <viresh.kumar@linaro.org>,
	"Thomas Cedeno" <thomascedeno@google.com>,
	sashal@kernel.org, cxfcosmos@gmail.com,
	"Rasmus Villemoes" <linux@rasmusvillemoes.dk>,
	LKML <linux-kernel@vger.kernel.org>,
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Subject: Re: [PATCH v9 2/3] mm: add a field to store names for private anonymous memory
Date: Thu, 30 Sep 2021 22:19:50 -0700	[thread overview]
Message-ID: <202109302219.FF1F3E24@keescook> (raw)
In-Reply-To: <CAJuCfpGVgSpvW_oXaGVc3TiobaGaYUtu3WR_DhrhWnEr_V=7TQ@mail.gmail.com>

On Thu, Sep 30, 2021 at 08:44:25PM -0700, Suren Baghdasaryan wrote:
> While testing v10 I found one case when () are used in the name
> "dalvik-main space (region space)". So I can add ` and $ to the
> restricted set but not ( and ). Kees, would you be happy with:
> 
> static inline bool is_valid_name_char(char ch)
> {
>     return ch > 0x1f && ch < 0x7f && !strchr("\\`$[]", ch);
> }
> 
> ?

That works for me! :)

-- 
Kees Cook

  reply	other threads:[~2021-10-01  5:20 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-02 23:18 [PATCH v9 1/3] mm: rearrange madvise code to allow for reuse Suren Baghdasaryan
2021-09-02 23:18 ` Suren Baghdasaryan
2021-09-02 23:18 ` [PATCH v9 2/3] mm: add a field to store names for private anonymous memory Suren Baghdasaryan
2021-09-02 23:18   ` Suren Baghdasaryan
2021-09-03 21:35   ` Kees Cook
2021-09-03 21:51     ` Suren Baghdasaryan
2021-09-05 13:04     ` Pavel Machek
2021-09-06 15:52       ` Suren Baghdasaryan
2021-09-03 21:47   ` Kees Cook
2021-09-03 21:56     ` Suren Baghdasaryan
2021-09-03 22:28       ` Kees Cook
2021-10-01  3:44         ` Suren Baghdasaryan
2021-10-01  5:19           ` Kees Cook [this message]
2021-09-06 16:55   ` Matthew Wilcox
2021-09-09  4:05     ` Suren Baghdasaryan
2021-09-30 18:56       ` Suren Baghdasaryan
2021-09-30 23:25         ` Kees Cook
2021-10-01  7:01   ` Rasmus Villemoes
2021-10-01 16:34     ` Suren Baghdasaryan
2021-09-02 23:18 ` [PATCH v9 3/3] mm: add anonymous vma name refcounting Suren Baghdasaryan
2021-09-02 23:18   ` Suren Baghdasaryan
2021-09-03 22:20   ` Kees Cook
2021-09-03  0:28 ` [PATCH v9 1/3] mm: rearrange madvise code to allow for reuse Suren Baghdasaryan

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