From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Pavel Boldin <pboldin@mirantis.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2] Fix `eventfd_link' module leakages and races
Date: Mon, 23 Mar 2015 12:15:30 +0100 [thread overview]
Message-ID: <2544479.OZtlEpgWBm@xps13> (raw)
In-Reply-To: <1426684571-14782-1-git-send-email-pboldin@mirantis.com>
Hi Pavel,
You forgot the Signed-off-by line.
Huawei, Changchun, any comment on this patch?
2015-03-18 15:16, Pavel Boldin:
> The `eventfd_link' module provides an API to "steal" fd from another
> process had been written with a bug that leaks `struct file' because
> of the extra reference counter increment and missing `fput' call.
>
> The other bug is using another process' `task_struct' without incrementing
> a reference counter.
As there are 2 bugs, you should provide 2 patches.
> Fix these bugs and refactor the module.
Why refactoring along with the bug fixes?
You'd have more chances to have your fixes integrated in 2.0 without
refactoring.
Thanks
next prev parent reply other threads:[~2015-03-23 11:16 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-16 16:40 [dpdk-dev] [PATCH] " Pavel Boldin
2015-03-16 17:55 ` Neil Horman
2015-03-17 1:29 ` Ouyang, Changchun
2015-03-20 15:57 ` Pavel Boldin
2015-03-18 13:16 ` [dpdk-dev] [PATCH v2] " Pavel Boldin
2015-03-23 11:15 ` Thomas Monjalon [this message]
2015-03-23 11:36 ` Pavel Boldin
2015-03-23 11:44 ` Thomas Monjalon
2015-03-23 15:15 ` [dpdk-dev] [PATCH v3] vhost: Refactor module `eventfd_link' Pavel Boldin
2015-04-02 17:01 ` [dpdk-dev] [PATCH v4 0/5] " Pavel Boldin
2015-04-02 17:01 ` [dpdk-dev] [PATCH v4 1/5] vhost: eventfd_link: moving ioctl to a function Pavel Boldin
2015-05-07 7:57 ` Xie, Huawei
[not found] ` <CACf4_B8MDfkaEk5jMjMbEw9F8LsBVLA9TUWwOBU=SCAxzFmSFw@mail.gmail.com>
2015-05-18 6:06 ` Xie, Huawei
2015-05-18 9:16 ` Pavel Boldin
2015-06-18 3:08 ` Xie, Huawei
2015-04-02 17:01 ` [dpdk-dev] [PATCH v4 2/5] vhost: eventfd_link: add function fget_from_files Pavel Boldin
2015-04-02 17:01 ` [dpdk-dev] [PATCH v4 3/5] vhost: eventfd_link: fix ioctl return values Pavel Boldin
2015-04-02 17:01 ` [dpdk-dev] [PATCH v4 4/5] vhost: eventfd_link: replace copy-pasted sys_close Pavel Boldin
2015-04-02 17:01 ` [dpdk-dev] [PATCH v4 5/5] vhost: eventfd_link: removing extra #includes Pavel Boldin
2015-04-16 11:48 ` [dpdk-dev] [PATCH v5 0/5] Refactor module `eventfd_link' Pavel Boldin
2015-04-16 11:48 ` [dpdk-dev] [PATCH v5 1/5] vhost: eventfd_link: moving ioctl to a function Pavel Boldin
2015-08-28 18:51 ` [dpdk-dev] [PATCH v5 1/4] vhost: eventfd_link: refactoring EVENTFD_COPY handler Pavel Boldin
2015-09-23 20:25 ` Pavel Boldin
2015-09-29 19:42 ` Thomas Monjalon
2015-09-29 23:29 ` Pavel Boldin
2015-10-20 9:06 ` Xie, Huawei
2015-10-28 18:33 ` [dpdk-dev] [PATCH v6 0/3] vhost: eventfd_link refactoring Pavel Boldin
2015-10-29 18:33 ` Xie, Huawei
2015-10-30 19:10 ` Thomas Monjalon
2015-10-28 18:33 ` [dpdk-dev] [PATCH v6 1/3] vhost: eventfd_link: refactoring EVENTFD_COPY handler Pavel Boldin
2015-10-28 18:33 ` [dpdk-dev] [PATCH v6 2/3] vhost: add EVENTFD_COPY2 ioctl Pavel Boldin
2015-10-28 18:33 ` [dpdk-dev] [PATCH v6 3/3] vhost: using EVENTFD_COPY2 Pavel Boldin
2015-08-28 18:51 ` [dpdk-dev] [PATCH v5 2/4] vhost: add EVENTFD_COPY2 ioctl Pavel Boldin
2015-10-20 9:43 ` Xie, Huawei
2015-08-28 18:51 ` [dpdk-dev] [PATCH v5 3/4] vhost: using EVENTFD_COPY2 Pavel Boldin
2015-10-20 9:52 ` Xie, Huawei
2015-10-21 12:16 ` Pavel Boldin
2015-10-26 1:45 ` Xie, Huawei
2015-10-28 18:35 ` Pavel Boldin
2015-08-28 18:51 ` [dpdk-dev] [PATCH v5 4/4] DO NOT MERGE: Tests for new eventfd_link module Pavel Boldin
2015-04-16 11:48 ` [dpdk-dev] [PATCH v5 2/5] vhost: eventfd_link: add function fget_from_files Pavel Boldin
2015-04-16 11:48 ` [dpdk-dev] [PATCH v5 3/5] vhost: eventfd_link: fix ioctl return values Pavel Boldin
2015-04-16 11:48 ` [dpdk-dev] [PATCH v5 4/5] vhost: eventfd_link: replace copy-pasted sys_close Pavel Boldin
2015-05-07 6:54 ` Xie, Huawei
2015-06-17 15:24 ` Thomas Monjalon
2015-07-09 0:59 ` Thomas Monjalon
2015-07-10 14:27 ` Xie, Huawei
2015-07-10 14:50 ` Pavel Boldin
2015-07-10 15:32 ` Xie, Huawei
2015-07-10 15:42 ` Xie, Huawei
2015-07-10 15:49 ` Thomas Monjalon
2015-07-10 16:06 ` Xie, Huawei
2015-07-11 15:08 ` Pavel Boldin
2015-07-13 1:59 ` Xie, Huawei
2015-07-19 12:39 ` Pavel Boldin
2015-04-16 11:48 ` [dpdk-dev] [PATCH v5 5/5] vhost: eventfd_link: removing extra #includes Pavel Boldin
2015-04-28 14:35 ` [dpdk-dev] [PATCH v5 0/5] Refactor module `eventfd_link' Thomas Monjalon
2015-05-04 5:29 ` Xie, Huawei
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