linux-kernel - Re: [PATCH] drbd: fix potential NULL pointer dereference in drbd_md_sync_page

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Message-ID: <aDBIYqS8rS9AVRI5@infradead.org>
Date: Fri, 23 May 2025 03:05:22 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Ye Chey <yechey@...sast.com>
Cc: philipp.reisner@...bit.com, lars.ellenberg@...bit.com,
	christoph.boehmwalder@...bit.com, axboe@...nel.dk,
	linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drbd: fix potential NULL pointer dereference in
 drbd_md_sync_page_io

On Fri, May 23, 2025 at 04:55:29PM +0800, Ye Chey wrote:
> Under memory pressure, bio_alloc_bioset() may fail and return NULL.

No, not with the GFP_ flag passed here.