From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: dev@dpdk.org, thomas@monjalon.net
Subject: Re: [dpdk-dev] [PATCH v3 3/9] mem: fix potential double close
Date: Fri, 27 Apr 2018 17:56:46 +0100 [thread overview]
Message-ID: <14e3fed3-9f9a-ad4d-4ccc-8f33f9cd1a41@intel.com> (raw)
In-Reply-To: <20180427151554.GC80648@bricha3-MOBL.ger.corp.intel.com>
On 27-Apr-18 4:15 PM, Bruce Richardson wrote:
> On Wed, Apr 25, 2018 at 10:56:41AM +0100, Anatoly Burakov wrote:
>> We were closing descriptor before checking if mapping has
>> failed, but if it did, we did a second close afterwards. Fix
>> it by moving closing descriptor to after we check if mmap has
>> succeeded.
>>
>> Coverity issue: 272560
>>
>> Fixes: 2a04139f66b4 ("eal: add single file segments option")
>> Cc: anatoly.burakov@intel.com
>>
>> Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
>> ---
> Is a better fix not to assign fd to -1 after closing and then checking that
> in the error leg?
>
A betterer fix would've been to move close() to until after all errors
are checked. Will do that instead :)
--
Thanks,
Anatoly
next prev parent reply other threads:[~2018-04-27 16:56 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-17 15:50 [dpdk-dev] [PATCH 00/10] Coverity fixes for EAL memory Anatoly Burakov
2018-04-17 15:50 ` [dpdk-dev] [PATCH 01/10] mem: use strlcpy instead of snprintf Anatoly Burakov
2018-04-17 15:50 ` [dpdk-dev] [PATCH 02/10] mem: fix resource leak Anatoly Burakov
2018-04-17 15:50 ` [dpdk-dev] [PATCH 03/10] mem: fix potential double close Anatoly Burakov
2018-04-17 15:50 ` [dpdk-dev] [PATCH 04/10] mem: fix potential resource leak Anatoly Burakov
2018-04-17 15:50 ` [dpdk-dev] [PATCH 05/10] " Anatoly Burakov
2018-04-17 15:50 ` [dpdk-dev] [PATCH 06/10] mem: fix comparing pointer to value Anatoly Burakov
2018-04-17 15:50 ` [dpdk-dev] [PATCH 07/10] mem: fix potential bad unmap Anatoly Burakov
2018-04-17 15:50 ` [dpdk-dev] [PATCH 08/10] mem: fix statement having no effect Anatoly Burakov
2018-04-17 15:50 ` [dpdk-dev] [PATCH 09/10] mem: fix negative return value Anatoly Burakov
2018-04-17 15:50 ` [dpdk-dev] [PATCH 10/10] mem: fix possible use-after-free Anatoly Burakov
2018-04-17 15:56 ` [dpdk-dev] [PATCH 00/10] Coverity fixes for EAL memory Thomas Monjalon
2018-04-17 16:09 ` Burakov, Anatoly
2018-04-17 18:59 ` Thomas Monjalon
2018-04-18 10:37 ` [dpdk-dev] [PATCH v2 " Anatoly Burakov
2018-04-18 10:37 ` [dpdk-dev] [PATCH v2 01/10] mem: use strlcpy instead of snprintf Anatoly Burakov
2018-04-18 10:37 ` [dpdk-dev] [PATCH v2 02/10] mem: fix resource leak Anatoly Burakov
2018-04-18 10:37 ` [dpdk-dev] [PATCH v2 03/10] mem: fix potential double close Anatoly Burakov
2018-04-18 10:37 ` [dpdk-dev] [PATCH v2 04/10] mem: fix potential resource leak Anatoly Burakov
2018-04-18 10:37 ` [dpdk-dev] [PATCH v2 05/10] " Anatoly Burakov
2018-04-18 10:37 ` [dpdk-dev] [PATCH v2 06/10] mem: fix comparing pointer to value Anatoly Burakov
2018-04-18 10:37 ` [dpdk-dev] [PATCH v2 07/10] mem: fix potential bad unmap Anatoly Burakov
2018-04-18 10:37 ` [dpdk-dev] [PATCH v2 08/10] mem: fix statement having no effect Anatoly Burakov
2018-04-18 10:37 ` [dpdk-dev] [PATCH v2 09/10] mem: fix negative return value Anatoly Burakov
2018-04-18 10:37 ` [dpdk-dev] [PATCH v2 10/10] mem: fix possible use-after-free Anatoly Burakov
2018-04-25 9:56 ` [dpdk-dev] [PATCH v3 0/9] Coverity fixes for EAL memory Anatoly Burakov
2018-04-27 17:07 ` [dpdk-dev] [PATCH v4 " Anatoly Burakov
2018-04-27 21:25 ` Thomas Monjalon
2018-04-27 17:07 ` [dpdk-dev] [PATCH v4 1/9] mem: use strlcpy instead of snprintf Anatoly Burakov
2018-04-27 17:07 ` [dpdk-dev] [PATCH v4 2/9] mem: fix resource leak Anatoly Burakov
2018-04-27 17:07 ` [dpdk-dev] [PATCH v4 3/9] mem: fix potential double close Anatoly Burakov
2018-04-30 9:00 ` Bruce Richardson
2018-04-27 17:07 ` [dpdk-dev] [PATCH v4 4/9] mem: fix potential resource leak Anatoly Burakov
2018-04-27 17:07 ` [dpdk-dev] [PATCH v4 5/9] " Anatoly Burakov
2018-04-27 17:07 ` [dpdk-dev] [PATCH v4 6/9] mem: fix comparing pointer to value Anatoly Burakov
2018-04-27 17:07 ` [dpdk-dev] [PATCH v4 7/9] mem: fix potential bad unmap Anatoly Burakov
2018-04-27 17:07 ` [dpdk-dev] [PATCH v4 8/9] mem: fix statement having no effect Anatoly Burakov
2018-04-27 17:07 ` [dpdk-dev] [PATCH v4 9/9] mem: fix possible use-after-free Anatoly Burakov
2018-04-25 9:56 ` [dpdk-dev] [PATCH v3 1/9] mem: use strlcpy instead of snprintf Anatoly Burakov
2018-04-27 15:08 ` Bruce Richardson
2018-04-25 9:56 ` [dpdk-dev] [PATCH v3 2/9] mem: fix resource leak Anatoly Burakov
2018-04-27 15:13 ` Bruce Richardson
2018-04-25 9:56 ` [dpdk-dev] [PATCH v3 3/9] mem: fix potential double close Anatoly Burakov
2018-04-27 15:15 ` Bruce Richardson
2018-04-27 16:56 ` Burakov, Anatoly [this message]
2018-04-25 9:56 ` [dpdk-dev] [PATCH v3 4/9] mem: fix potential resource leak Anatoly Burakov
2018-04-27 15:18 ` Bruce Richardson
2018-04-27 15:28 ` Burakov, Anatoly
2018-04-27 15:39 ` Burakov, Anatoly
2018-04-27 15:48 ` Bruce Richardson
2018-04-25 9:56 ` [dpdk-dev] [PATCH v3 5/9] " Anatoly Burakov
2018-04-27 15:21 ` Bruce Richardson
2018-04-27 15:49 ` Burakov, Anatoly
2018-04-27 15:52 ` Bruce Richardson
2018-04-27 15:55 ` Burakov, Anatoly
2018-04-27 16:27 ` Bruce Richardson
2018-04-27 16:42 ` Burakov, Anatoly
2018-04-25 9:56 ` [dpdk-dev] [PATCH v3 6/9] mem: fix comparing pointer to value Anatoly Burakov
2018-04-27 15:22 ` Bruce Richardson
2018-04-25 9:56 ` [dpdk-dev] [PATCH v3 7/9] mem: fix potential bad unmap Anatoly Burakov
2018-04-27 15:37 ` Bruce Richardson
2018-04-25 9:56 ` [dpdk-dev] [PATCH v3 8/9] mem: fix statement having no effect Anatoly Burakov
2018-04-27 15:39 ` Bruce Richardson
2018-04-25 9:56 ` [dpdk-dev] [PATCH v3 9/9] mem: fix possible use-after-free Anatoly Burakov
2018-04-27 15:45 ` Bruce Richardson
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=14e3fed3-9f9a-ad4d-4ccc-8f33f9cd1a41@intel.com \
--to=anatoly.burakov@intel.com \
--cc=bruce.richardson@intel.com \
--cc=dev@dpdk.org \
--cc=thomas@monjalon.net \
/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;
as well as URLs for NNTP newsgroup(s).