From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A09D8B660 for ; Thu, 30 Jan 2025 12:58:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738241910; cv=none; b=GbRMYmqxY5waniwBhOMXvnVTX7WfS3MHGZJdfn/V9S2thRUMNbU8Imgbf0vJcBOuRL0r6qWtCq6GQzIwCTpEOdMhxGwD1dS5cKtFvFmkkMgjTj0xHcUDUt8E5zfjmrBmvIqkxOBH6n6Iz4t8Fi4HWznWe45A536LJSRYb5Nr8cg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738241910; c=relaxed/simple; bh=1gU1WrhXgCqGWiTgROc1qu5vJGYP4uLpr0W1MAQ4FIQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=TfXDworrvjBkMHywzRPw6dYyRpgmmJCuymGOefaqhiihJbEnfGqh8vxFkPXVK8X2XwD3I138ZDQOfueUVisje5A7KfjgtClpAY/u0I5i7KSbiAxmk31AbBacl2rZRzGvybVQ7/7WdOeeVRtq3Q/88/JixaTStSWMQ4ZDzJxWKog= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=eEDYr6sd; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="eEDYr6sd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AE2DCC4CED2; Thu, 30 Jan 2025 12:58:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1738241910; bh=1gU1WrhXgCqGWiTgROc1qu5vJGYP4uLpr0W1MAQ4FIQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=eEDYr6sdc2IVuuM7B9L3iEP3e4ouLpM5UIYcJoVPnWU1mtyjB3CPLirYalXnWlOGg Fkm6FlhJlT2M1r0n8dX2QLAWsUCeetpaF3j3c2p6945mjhTDiflLbNZ95SNh5e+Pgi R4nr+PW4aQkFC68nz+9U7bgW+hQNT0Yv9OSthCoM= Date: Thu, 30 Jan 2025 13:58:27 +0100 From: Greg KH To: Rajani kantha Cc: lizhi.xu@windriver.com, tytso@mit.edu, stable@vger.kernel.org Subject: Re: [PATCH 6.6.y] ext4: filesystems without casefold feature cannot be mounted with siphash Message-ID: <2025013034-whooping-defraud-f4bd@gregkh> References: Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Fri, Jan 24, 2025 at 02:23:17AM +0100, Rajani kantha wrote: > From: Lizhi Xu > > [ upstream commit 985b67cd86392310d9e9326de941c22fc9340eec ] > > When mounting the ext4 filesystem, if the default hash version is set to > DX_HASH_SIPHASH but the casefold feature is not set, exit the mounting. > > Reported-by: syzbot+340581ba9dceb7e06fb3@syzkaller.appspotmail.com > Signed-off-by: Lizhi Xu > Link: https://patch.msgid.link/20240605012335.44086-1-lizhi.xu@windriver.com > Signed-off-by: Theodore Ts'o > Signed-off-by: Rajani Kantha > --- > fs/ext4/super.c | 7 +++++++ > 1 file changed, 7 insertions(+) Why are you submitting this for these 2 kernels? Why are they required for them? You didn't provide any information here at all :( And what about the fix for this commit? You forgot that. Please send a proper series of backports and make sure you actually tested them. thanks, gre gk-h