From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
xemul@virtuozzo.com
Subject: Re: [PATCH v2] proc: fix /proc/*/map_files lookup some more
Date: Sun, 4 Mar 2018 23:53:17 +0300 [thread overview]
Message-ID: <20180304205317.GB6757@uranus.lan> (raw)
In-Reply-To: <20180303215130.GA23480@avx2>
On Sun, Mar 04, 2018 at 12:51:30AM +0300, Alexey Dobriyan wrote:
> I totally forgot that _parse_integer() accepts arbitrary amount of
> leading zeroes leading to the following lookups:
>
> OK
> # readlink /proc/1/map_files/56427ecba000-56427eddc000
> /lib/systemd/systemd
>
> bogus
> # readlink /proc/1/map_files/00000000000056427ecba000-56427eddc000
> /lib/systemd/systemd
> # readlink /proc/1/map_files/56427ecba000-00000000000056427eddc000
> /lib/systemd/systemd
>
> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Cyrill Gorcunov <gorcunov@gmail.com>
next prev parent reply other threads:[~2018-03-04 20:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-03 21:51 [PATCH v2] proc: fix /proc/*/map_files lookup some more Alexey Dobriyan
2018-03-04 20:53 ` Cyrill Gorcunov [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-02-21 18:44 [PATCH] " Alexey Dobriyan
2018-02-21 18:51 ` Al Viro
2018-02-21 19:53 ` [PATCH v2] " Alexey Dobriyan
2018-02-21 20:04 ` Andrew Morton
2018-02-21 20:29 ` Cyrill Gorcunov
2018-02-21 20:58 ` Alexey Dobriyan
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=20180304205317.GB6757@uranus.lan \
--to=gorcunov@gmail.com \
--cc=adobriyan@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=xemul@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.