Re: [PATCH] NFSv4.2: fix error handling in nfs42_proc_getxattr

From: Benjamin Coddington
Date: Wed Jul 26 2023 - 11:07:45 EST


On 25 Jul 2023, at 7:58, Fedor Pchelkin wrote:

> There is a slight issue with error handling code inside
> nfs42_proc_getxattr(). If page allocating loop fails then we free the
> failing page array element which is NULL but __free_page() can't deal with
> NULL args.
>
> Found by Linux Verification Center (linuxtesting.org).
>
> Fixes: a1f26739ccdc ("NFSv4.2: improve page handling for GETXATTR")
> Signed-off-by: Fedor Pchelkin <pchelkin@xxxxxxxxx>

Looks right to me,

Reviewed-by: Benjamin Coddington <bcodding@xxxxxxxxxx>

Ben