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Date:   Wed, 4 Jul 2018 17:32:20 -0700
From:   "" <>
To:     Eric Biggers <>,,
Cc:     syzbot <>,,,,
Subject: Re: general protection fault in rds_ib_get_mr

On 7/4/18 2:35 PM, Eric Biggers wrote:
> On Sun, May 13, 2018 at 10:46:37PM -0700, wrote:
>> On 5/13/18 2:10 PM, Eric Biggers wrote:
>>> On Wed, Mar 21, 2018 at 09:00:01AM -0700, syzbot wrote:
>> [...]
>>> Still reproducible on Linus' tree (commit 66e1c94db3cd4) and linux-next
>>> (next-20180511).  Here's a simplified reproducer:
>> Thanks for the test case !!


> Ping; this RDS bug is still unfixed.  The same reproducer I gave earlier still
> works, even when run as a non-root user.  I tested upstream commit
> fc36def997cfd6 (v4.18-rc3-113-gfc36def997cfd), and linux-next commit
> bce40927669338 (next-20180704).
Yeah I haven't sent a fix for this yet. Downstream we have refactored
MR code and I wanted to get that upstream. With that this bug will
also get addressed. I was hoping to get that series but since some
optimisation is still pending investigations its getting delayed.

Will find out if I can fix this panic in meantime with smaller change.
Thanks for reminder.


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