linux-kernel - Re: [bug-report] task info hung problem in fb_deferred_io

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]

Message-ID: <ee7a1664-dfe2-41c4-b635-47affec03ce6@oracle.com>
Date: Fri, 19 Apr 2024 22:09:38 +0530
From: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
To: Nam Cao <namcao@...utronix.de>
Cc: jayalk@...works.biz, Daniel Vetter <daniel@...ll.ch>, deller@....de,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        tiwai@...e.de, bigeasy@...utronix.de, patrik.r.jakobsson@...il.com,
        LKML <linux-kernel@...r.kernel.org>,
        Vegard Nossum
 <vegard.nossum@...cle.com>,
        George Kennedy <george.kennedy@...cle.com>,
        Darren Kenny <darren.kenny@...cle.com>, chuansheng.liu@...el.com,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [bug-report] task info hung problem in fb_deferred_io_work()

On 19/04/24 21:53, Nam Cao wrote:
> On 2024-04-19 Harshit Mogalapalli wrote:
>> +CC stable( heads up as this is a regression affecting 5.15.y and
>> probably others, Greg: this was reproducible upstream so reported
>> everything w.r.t upstream code but initially found on 5.15.y)
> 
> No worry about this, I will add a "Cc: <stable@...r.kernel.org>" tag
> to the patch, and the stable folks (or their scripts) will pick it up.
> 

Thanks for that!

>> This patch works well against the reproducer, this simplified repro and
>> the longer repro which syzkaller generated couldn't trigger any hang
>> with the below patch applied.
> 
> Great, thanks! Can I add
> 	Reported-and-tested-by: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
> to the patch?
> 
Sure, that would be good!

Thanks,
Harshit
> Best regards,
> Nam