linux-kernel - Re: [PATCH iproute2-rc 2/2] rdma: Fix the error of accessing string variable outside the lifecycle

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Mon, 8 Jan 2024 17:10:04 +0100
From: Andrea Claudi <aclaudi@...hat.com>
To: Junxian Huang <huangjunxian6@...ilicon.com>
Cc: jgg@...pe.ca, leon@...nel.org, dsahern@...il.com,
	stephen@...workplumber.org,
	Chengchang Tang <tangchengchang@...wei.com>, netdev@...r.kernel.org,
	linux-rdma@...r.kernel.org, linuxarm@...wei.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH iproute2-rc 2/2] rdma: Fix the error of accessing string
 variable outside the lifecycle

On Mon, Jan 08, 2024 at 09:28:52AM +0800, Junxian Huang wrote:
> 
> Hi all,
> 
> the first patch is replaced by Stephen's latest patches. Are there any
> comments to this patch?
> 
> Thanks,
> Junxian
>
> On 2023/12/29 14:52, Junxian Huang wrote:
> > From: wenglianfa <wenglianfa@...wei.com>
> > 
> > All these SPRINT_BUF(b) definitions are inside the 'if' block, but
> > accessed outside the 'if' block through the pointers 'comm'. This
> > leads to empty 'comm' attribute when querying resource information.
> > So move the definitions to the beginning of the functions to extend
> > their life cycle.
> > 
> > Before:
> > $ rdma res show srq
> > dev hns_0 srqn 0 type BASIC lqpn 18 pdn 5 pid 7775 comm
> > 
> > After:
> > $ rdma res show srq
> > dev hns_0 srqn 0 type BASIC lqpn 18 pdn 5 pid 7775 comm ib_send_bw
> > 
> > Fixes: 1808f002dfdd ("lib/fs: fix memory leak in get_task_name()")
> > Signed-off-by: wenglianfa <wenglianfa@...wei.com>
> > Signed-off-by: Junxian Huang <huangjunxian6@...ilicon.com>
> > ---

Hi Junxian,
For future patches, you can have a faster feedback adding to cc the
author of the original patch. In this case it's me, so here's my

Acked-by: Andrea Claudi <aclaudi@...hat.com>