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 876BF38DD8; Mon, 24 Nov 2025 00:44:16 +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=1763945056; cv=none; b=n3T9zpgltxAM7YjAEEVzLD/YqLHpUrAxjevAzCdxSLCcbBDiGqCd73975OC7U/I0qrICuVMN3d7O6XtqRgIaNyma+r5Tnw0licnvgqKNL0nzM691LDE/iNVTzSWHu7PVALNjW6QONZBelrVIGUB6gj++On9j+WslxFToMxPghOY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763945056; c=relaxed/simple; bh=F1jtxFmXqezT3lBxnvIzHZ3jxljgpcwImean9FI7r10=; h=Message-ID:Date:MIME-Version:Cc:Subject:To:References:From: In-Reply-To:Content-Type; b=SwrkJfSPiDLo3W3OEMCGVClTPpSMdRlXRRdpnmjop1OcBw/W/y8HimhHNUt2PLebzGtXpTmdaXu1VcSnUidNJfnXsTE+kadrSm3rFyOqPJtgbPt0kSju4dD549wMDAd1HZ0nof4BeVmeBLoHpFY+PKDnkTiXCARl2uCVObHeV9U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qatSm75X; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qatSm75X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BE8C5C113D0; Mon, 24 Nov 2025 00:44:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763945056; bh=F1jtxFmXqezT3lBxnvIzHZ3jxljgpcwImean9FI7r10=; h=Date:Cc:Subject:To:References:From:In-Reply-To:From; b=qatSm75XE5O3EZEwVbcjZCD/AqEE3/VnKprTk8lj0Vlv6l5aK2KFVg2Hm6esoF7MY uucMb0schX6I6WVNDNVxs81dhJnLPnoe+yC99RRZubsCTnKDX92sZCa5h2jgzBqlqU T3qs7OYtLV+nRg154qlCZ1MgaNNqm3/r1LqXUBxnT4uubL/Rqzf5H2mybhwnAOwMoC NY//mqEZyc6L0/XxGMQpVxrEE3fJBHr8tgLMBD8BMEKDpBeuzbupC9+ncj0E9IVmEx 7mcRkC1fPstneR/yx5wtQy7ZzP4craYLMlP0NdQihkKWm63gZauVtgcRBlSQYMf/IG ZMO7hLf6aJ/mw== Message-ID: Date: Mon, 24 Nov 2025 08:44:18 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Cc: chao@kernel.org, LKML , linux-fsdevel@vger.kernel.org, syzbot+31b8fb02cb8a25bd5e78@syzkaller.appspotmail.com, Yuezhang Mo Subject: Re: [PATCH] erofs: correct FSDAX detection To: Gao Xiang , linux-erofs@lists.ozlabs.org References: <691af9f6.a70a0220.3124cb.0097.GAE@google.com> <20251117115729.626525-1-hsiangkao@linux.alibaba.com> Content-Language: en-US From: Chao Yu In-Reply-To: <20251117115729.626525-1-hsiangkao@linux.alibaba.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11/17/2025 7:57 PM, Gao Xiang wrote: > The detection of the primary device is skipped incorrectly > if the multiple or flattened feature is enabled. > > It also fixes the FSDAX misdetection for non-block extra blobs. > > Fixes: c6993c4cb918 ("erofs: Fallback to normal access if DAX is not supported on extra device") > Reported-by: syzbot+31b8fb02cb8a25bd5e78@syzkaller.appspotmail.com > Closes: https://lore.kernel.org/r/691af9f6.a70a0220.3124cb.0097.GAE@google.com > Cc: Yuezhang Mo > Signed-off-by: Gao Xiang Reviewed-by: Chao Yu Thanks,