From: Paul Menzel <pmenzel@molgen.mpg.de>
To: Christoph Hellwig <hch@lst.de>
Cc: linux-xfs@vger.kernel.org, stockhausen@collogia.de,
it+linux-nfs@molgen.mpg.de
Subject: Re: [PATCH] iomap: fix integer truncation issues in the zeroing and dirtying helpers
Date: Sat, 12 Aug 2017 11:00:51 +0200 [thread overview]
Message-ID: <f4d52f4d8b1cb6dfb91acaa8612d4bba@molgen.mpg.de> (raw)
In-Reply-To: <20170811151805.22896-1-hch@lst.de>
Dear Christoph,
On 2017-08-11 17:18, Christoph Hellwig wrote:
> Fix the min_t calls in the zeroing and dirtying helpers to perform the
> comparisms on 64-bit types, which prevents them from incorrectly
> being truncated, and larger zeroing operations being stuck in a never
> ending loop.
>
> Special thanks to Markus Stockhausen for spotting the bug.
>
> Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
> Tested-by: Paul Menzel <pmenzel@molgen.mpg.de>
Thank you very much for providing the fix that quickly.
Please don’t forget to tag it for the stable series (4.8+).
Cc: stable@vger.kernel.org
Kind regards,
Paul
next prev parent reply other threads:[~2017-08-12 9:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-11 15:18 [PATCH] iomap: fix integer truncation issues in the zeroing and dirtying helpers Christoph Hellwig
2017-08-11 16:04 ` Darrick J. Wong
2017-08-11 16:06 ` Christoph Hellwig
2017-08-16 21:52 ` Darrick J. Wong
2017-08-17 7:05 ` Christoph Hellwig
2017-08-12 9:00 ` Paul Menzel [this message]
2017-08-13 9:08 ` Christoph Hellwig
2017-09-11 14:50 ` Paul Menzel
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