From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out30-118.freemail.mail.aliyun.com (out30-118.freemail.mail.aliyun.com [115.124.30.118]) (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 856C936F41C for ; Fri, 10 Apr 2026 10:01:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.118 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775815310; cv=none; b=IbKbqMwaR/ZIEuQ4HOVLlpDJo8SYDU6HdQMr1u2zsqYITO6BDeNnkDdRmXUFU8q1hPR/y368iJyRdP+JmgaAjc/n3TdTK6VyYzuTIb50PlzESC1RRSIvnxFFoxvTwzWOgvXkHJiPTu62aCLyoFxmNka/S6dap5DPwShRhNyFxsU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775815310; c=relaxed/simple; bh=mL1wFkggN5ijiexsBzOUL4pVItRzt4r+Pst9BcHhbH4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=MiHGscceb/KCXlRiG58haj9m9MIFvGqRKM5VTvktT5lRsqppvvOTQv0lx9yslV8EYgqdosOB0sWwoIzbNDS0p0uE6q0FFNtz9AZpUqmy9tJ8AGi3LICSqcZnm6kwbnxyBF0BixTRcFA386inx03rVmZem4+FAN6T0FNDZlXnr4E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=qkEUoEsF; arc=none smtp.client-ip=115.124.30.118 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="qkEUoEsF" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1775815304; h=Message-ID:Date:MIME-Version:Subject:To:From:Content-Type; bh=v6PwKHJlF21wBeLGxKNRLt3rT4RxrxBYzsmqRJOlFhk=; b=qkEUoEsFnL0E76uMv1I5YsW5S1ewk4EVEbrzCve2tCWKHPjNsPfpJOVA+TOMWr6hXnsGoPIPahO04la4Wu7/kR5gh2awH3NtwadvHda/n+Bo06DBHP0qIiKyBB7ywzkoXhTAz4ZbGVbn2BWZuLeBe3rdYSRKAEakAnvgZX8UOwU= X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R441e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033037026112;MF=hsiangkao@linux.alibaba.com;NM=1;PH=DS;RN=12;SR=0;TI=SMTPD_---0X0kt-tP_1775815303; Received: from 30.221.132.105(mailfrom:hsiangkao@linux.alibaba.com fp:SMTPD_---0X0kt-tP_1775815303 cluster:ay36) by smtp.aliyun-inc.com; Fri, 10 Apr 2026 18:01:43 +0800 Message-ID: Date: Fri, 10 Apr 2026 18:01:41 +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 Subject: Re: erofs pointer corruption and kernel crash To: Arseniy Krasnov Cc: oxffffaa@gmail.com, linux-erofs@lists.ozlabs.org, linux-kernel@vger.kernel.org, kernel@salutedevices.com, Gao Xiang , Chao Yu , Yue Hu , Jeffle Xu , Sandeep Dhavale , Hongbo Li , Sheng Yong References: <4a2f3801-fac1-42fe-ae75-da315822e088@salutedevices.com> <9d8a073a-982e-4c7b-9445-623941a16b05@salutedevices.com> <16ea58e8-43b7-439b-91db-9f87d2fb2b84@linux.alibaba.com> From: Gao Xiang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2026/4/10 17:59, Arseniy Krasnov wrote: > > > 10.04.2026 12:20, Gao Xiang wrote: >> >> >> On 2026/4/10 16:55, Arseniy Krasnov wrote: >>> >>> >> >> ... >> >>>>> >>>>> BR2_TARGET_ROOTFS_EROFS=y >>>>> BR2_TARGET_ROOTFS_EROFS_CUSTOM_COMPRESSION=y >>>>> BR2_TARGET_ROOTFS_EROFS_COMPRESSION_ALGORITHMS="zstd,22 --max-extent-bytes 65536 -E48bit" >> >> btw, may I ask what's the erofs-utils version? >> erofs-utils 1.9? > > We have 1.8.5 erofs-utils 1.8.5 shouldn't have `-E48bit` support, that is my question. Thanks, Gao Xiang