linux-kernel - Re: [PATCH] netfs: Prevent duplicate unlocking

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Message-ID: <032c8e1184693ecc448d104bae5ea458@manguebit.org>
Date: Sun, 07 Sep 2025 23:34:49 -0300
From: Paulo Alcantara <pc@...guebit.org>
To: Lizhi Xu <lizhi.xu@...driver.com>,
 syzbot+b73c7d94a151e2ee1e9b@...kaller.appspotmail.com
Cc: dhowells@...hat.com, linux-fsdevel@...r.kernel.org,
 linux-kernel@...r.kernel.org, netfs@...ts.linux.dev,
 syzkaller-bugs@...glegroups.com
Subject: Re: [PATCH] netfs: Prevent duplicate unlocking

Lizhi Xu <lizhi.xu@...driver.com> writes:

> The filio lock has been released here, so there is no need to jump to
      ^ s/filio/folio/

> error_folio_unlock to release it again.
>
> Reported-by: syzbot+b73c7d94a151e2ee1e9b@...kaller.appspotmail.com
> Closes: https://syzkaller.appspot.com/bug?extid=b73c7d94a151e2ee1e9b
> Signed-off-by: Lizhi Xu <lizhi.xu@...driver.com>
> ---
>  fs/netfs/buffered_write.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Paulo Alcantara (Red Hat) <pc@...guebit.org>