linux-kernel - Re: [PATCH] fuse: add a null-ptr check

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Message-ID: <c2f05447-0f1b-4710-ad7f-d318b95ac7e3@fastmail.fm>
Date: Mon, 2 Dec 2024 22:50:05 +0100
From: Bernd Schubert <bernd.schubert@...tmail.fm>
To: Joanne Koong <joannelkoong@...il.com>
Cc: Nihar Chaithanya <niharchaithanya@...il.com>, miklos@...redi.hu,
 linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
 skhan@...uxfoundation.org,
 syzbot+87b8e6ed25dbc41759f7@...kaller.appspotmail.com
Subject: Re: [PATCH] fuse: add a null-ptr check

I think I found it, look into fuse_get_user_pages() in your patch - it
returns nbytesp as coming in, without having added any pages.