From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f181.google.com (mail-pl1-f181.google.com [209.85.214.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0CD3337B014 for ; Tue, 5 May 2026 20:16:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.181 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778012163; cv=none; b=Qpph2VvPecMC666T+4fm23/ed48Se1Ld6qwFaYe2aiy6tjlZp9ITAJFUKwHbyqtSQyh1NLmVIcQKc1PfESzMge2t1o4inD/WzLwtJy3+Rwd2QJ6XB2NbATBJc9OdvMT9aJWKYd+kBzrAtZavJUb/2EwBlr1ge3y9PcJf4mCDBBM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778012163; c=relaxed/simple; bh=XqT6nLzUs3G+mg88yFBFBl0nBAWx5sV8XFR6LjfmJns=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DkKDKcKn8Pm6BV08qX6gMnecHfvaWxY0oN9ZskaAzpljClCO7HGy11zx+yhFi4mhM6s04I0Rd2TSZ2Hus9Seal4SeGgFV4SNWbNCMMOqAxpCPIp2tTG0rFfvCvceQ1a6ov88QH+i09KYei5i35Ed6eA/CTUqWTu8shahD+RO2JM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=gJFpRu/+; arc=none smtp.client-ip=209.85.214.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="gJFpRu/+" Received: by mail-pl1-f181.google.com with SMTP id d9443c01a7336-2ba180a022dso7215ad.1 for ; Tue, 05 May 2026 13:16:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1778012161; x=1778616961; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=ldwTHAfh0gpdQ0E2+9eeUK8kcdVFjR2c+5XrJHhKjzA=; b=gJFpRu/+hPOmEoLujAluDsOZTTst1hFXXJl6sq/Cnfo4ipytwmefQr9s/WB2ApdV1c ATopHlGRwNMrt5alY3y9NTOiO3+1oL38NaFR0oieqxsAQ9PK4EXO+jMYGtQm3nmQKIEv 6V6OZKcKLyukUv7WQN4qe4SFP122MrAy+TdgdjTbURy+BJvqpIsd7hAtN9OZm2Q4Dapl vZoJxmPg0N/OZpumaAR6ObQXqvVmxRTcnHlY7gx/qpgQ1ri9D4ON3qdPrRMUgjInW3H8 Mf4ZyY7b8DLXEJGXFukuhiQ8c0zmMPHhIoFWwecFs1N7lW4CsOElMfvvhXXvsFdhWtD6 SBVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778012161; x=1778616961; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ldwTHAfh0gpdQ0E2+9eeUK8kcdVFjR2c+5XrJHhKjzA=; b=jI6LuaB1XRjM7ZRk8bFMsCYDQSzEEqpx3KPIhT8pLuxgODC1kel7G8CzVcGyqmD5Kj wjCKsiqJ11Cwd8u7fpxupH9c/7OHiRRR+3925huSC2jcbOq1UWdeaoG2ysxsH/5psvNq MTf4n9RxoVEMrl+jdjJ3NuyIX7i8+mLlnN2VFKTjFEfN0gcEjMgDd46VoAW0EDvYT6DW 6pRKyJep8ajTBzn4OpjcY7E4DzUrNSYQl7QBrAC3tvP9A83YE6F6VKvFIkE0wT2t9W/M pGlluZ91ToHce0MBhmYWkznhRO0GJO8UFFcuO9aidO3P8anHIHZzd/hrsYqWVqu5TNCk TjOA== X-Forwarded-Encrypted: i=1; AFNElJ+1u4yCnSPndISS8bGN60rqyoGmaVW/TMClkso3geUThvL73c7UdJK+bpPxLVATUcp22DpoOTcoWnrX+vs=@vger.kernel.org X-Gm-Message-State: AOJu0YwemFrJQwp4feLj/gxYxKRg5/5q8cNpRXQO6wxG9CgR1+TXh+qS f8LNOrbCXq+v25x+eI7NU18SmDTzzkWkLBnj3j8TD2vKlNecEh/CChoDEMT+ybduDQ== X-Gm-Gg: AeBDietveLPcMp4Ua5GmuleRWtSXVjIrqw1FSqpJAPvQHVkj4KQwquhs4yePKNJD1Ua NfdgwgsRohhX/65q6EtiPz2/JeUWG1KTDuvU6NuhPcjSn8ykWMVoaXYbr68QYxwMdzBiwmcc0TC f+gmyvwmDk85B/rYnIuXV8F6K/Ee7JVaB8LpBpqjYKWZDd5uuzgCyEvHJ3z865fpJ4dyKDhmimP Gg75ZsCp7syb2MWiXGJCegNSTdCemmYfXEhWBnguOL3zaHwbuZuIAKCKn0ntlUPOe0Zb1VKCSrY bX7K73163V+qlg5/taFAi0zOiUc+4YYKkfj3tncCclVX+WwiUlxDV7UfECptfJsu8cYhKimtojx 1fbfcUOmtYm4D8PqzD7hzGF3zePsMl7x20cWZNi+1s6bGnfiUCtZeBNg6l6fgGOZSy9a9H5TO+O zMgtFkw93RDgIUkfXbBjczcEDqwWUE3XT3yZBn8TX7h8Lal1WBr+82PeCzPl5D7+y81V3efXYSV YaAKOODBKp1szz7ydCjqVJ+K09oZ2vvMwGOKlNdEWn0tZyvdEHewtHJm9J43rtrjXs= X-Received: by 2002:a17:902:ebd1:b0:2b0:7a9b:82f3 with SMTP id d9443c01a7336-2ba779ddcc9mr1117415ad.8.1778012160513; Tue, 05 May 2026 13:16:00 -0700 (PDT) Received: from google.com (112.174.16.34.bc.googleusercontent.com. [34.16.174.112]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8396594645csm3324667b3a.14.2026.05.05.13.15.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 May 2026 13:15:59 -0700 (PDT) Date: Tue, 5 May 2026 20:15:55 +0000 From: Carlos Llamas To: Gao Xiang Cc: linux-erofs@lists.ozlabs.org, Chao Yu , LKML , oliver.yang@linux.alibaba.com, Sandeep Dhavale , Tatsuyuki Ishi Subject: Re: [PATCH] erofs: use the opener's credential when verifing metadata accesses Message-ID: References: <20260505155615.2719500-1-hsiangkao@linux.alibaba.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20260505155615.2719500-1-hsiangkao@linux.alibaba.com> On Tue, May 05, 2026 at 11:56:15PM +0800, Gao Xiang wrote: > Similar to commit 905eeb2b7c33 ("erofs: impersonate the opener's > credentials when accessing backing file"), rw_verify_area() needs > the same too. > > Fixes: 307210c262a2 ("erofs: verify metadata accesses for file-backed mounts") > Cc: Carlos Llamas > Cc: Sandeep Dhavale > Cc: Tatsuyuki Ishi > Signed-off-by: Gao Xiang > --- > Can we verify this patch resolve the android-mainline issue? Yes, it does. Thanks! Tested-by: Carlos Llamas