From: Bruce Richardson <bruce.richardson@intel.com>
To: Anatoly Burakov <anatoly.burakov@intel.com>
Cc: dev@dpdk.org, thomas@monjalon.net
Subject: Re: [dpdk-dev] [PATCH v3 5/9] mem: fix potential resource leak
Date: Fri, 27 Apr 2018 16:21:17 +0100 [thread overview]
Message-ID: <20180427152116.GE80648@bricha3-MOBL.ger.corp.intel.com> (raw)
In-Reply-To: <36228cdd42eef261936b07c42a3c582f7e715da1.1524650130.git.anatoly.burakov@intel.com>
On Wed, Apr 25, 2018 at 10:56:43AM +0100, Anatoly Burakov wrote:
> Normally, tailq entry should have a valid fd by the time we attempt
> to map the segment. However, in case it doesn't, we're leaking fd,
> so fix it.
>
> Coverity issue: 272570
>
> Fixes: 2a04139f66b4 ("eal: add single file segments option")
> Cc: anatoly.burakov@intel.com
>
> Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
> ---
> lib/librte_eal/linuxapp/eal/eal_memalloc.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/lib/librte_eal/linuxapp/eal/eal_memalloc.c b/lib/librte_eal/linuxapp/eal/eal_memalloc.c
> index fab5a98..b02e3a5 100644
> --- a/lib/librte_eal/linuxapp/eal/eal_memalloc.c
> +++ b/lib/librte_eal/linuxapp/eal/eal_memalloc.c
> @@ -524,6 +524,8 @@ alloc_seg(struct rte_memseg *ms, void *addr, int socket_id,
> if (te != NULL && te->fd >= 0) {
> close(te->fd);
> te->fd = -1;
Is "fd" still not being leaked here, since we won't hit the else case and
then jump to the end of the function where it goes out of scope?
> + } else {
> + close(fd);
> }
> /* ignore errors, can't make it any worse */
> unlink(path);
> --
> 2.7.4
next prev parent reply other threads:[~2018-04-27 15:21 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
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 [this message]
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
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