linux-kernel - Re: [PATCH] idr: remove WARN_ON_ONCE() when trying to check id

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Date:   Tue, 15 Sep 2020 11:21:10 +0530
From:   Anmol Karn <anmol.karan123@...il.com>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     Matthew Wilcox <willy@...radead.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        syzbot+f7204dcf3df4bb4ce42c@...kaller.appspotmail.com,
        Eric Dumazet <eric.dumazet@...il.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        Necip Fazil Yildiran <necip@...gle.com>
Subject: Re: [PATCH] idr: remove WARN_ON_ONCE() when trying to check id

Hello sir,

> > I hope the patch will get merged soon.
> 
> No need to "hope"; you could split up Matthew's patch yourself, and test and
> send the resulting patches.  From the above thread, it looks like the networking
> developers want one patch to fix the improper use of GFP_ATOMIC (which is the
> bug reported by syzbot), and a separate patch to convert qrtr to use the XArray.
>

Sure sir I will look into it.

> 
> > also, i have tried a patch for this bug
> > 
> > Link: https://syzkaller.appspot.com/bug?extid=3b14b2ed9b3d06dcaa07
> > 
> > can you please guide me little how should i proceede with it, and 
> > also syzbot tested it.  
> 
> Looks like something timer-related.  You'll need to investigate more, write and
> test a fix, and send it to the appropriate kernel mailing lists and developers
> (which will probably be different from the ones receiving this current thread).
> 

My bad sir, will send it to the appropriate list.

Thanks  
Anmol