From: Gao Xiang <hsiangkao@linux.alibaba.com>
To: Arseniy Krasnov <avkrasnov@salutedevices.com>
Cc: oxffffaa@gmail.com, linux-erofs@lists.ozlabs.org,
linux-kernel@vger.kernel.org, kernel@salutedevices.com,
Gao Xiang <xiang@kernel.org>, Chao Yu <chao@kernel.org>,
Yue Hu <zbestahu@gmail.com>,
Jeffle Xu <jefflexu@linux.alibaba.com>,
Sandeep Dhavale <dhavale@google.com>,
Hongbo Li <lihongbo22@huawei.com>,
Sheng Yong <shengyong1@xiaomi.com>
Subject: Re: erofs pointer corruption and kernel crash
Date: Fri, 10 Apr 2026 18:06:05 +0800 [thread overview]
Message-ID: <cad241fc-c2c6-4872-ab56-be3b7b44fbea@linux.alibaba.com> (raw)
In-Reply-To: <f68962d5-cce1-4993-a7d2-54c3fb752064@salutedevices.com>
On 2026/4/10 18:03, Arseniy Krasnov wrote:
>
>
> 10.04.2026 13:01, Gao Xiang пишет:
>>
>>
>> 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.
>
> You mean to try to reproduce with 1.9 utils ?
Nope, I meant
BR2_TARGET_ROOTFS_EROFS_COMPRESSION_ALGORITHMS="zstd,22 --max-extent-bytes 65536 -E48bit"
is invalid in erofs-utils 1.8.5.
If you were using erofs-utils 1.9+, that may be due to
the new `-E48bit`;
but you said you are using erofs-utils 1.8.5, that makes
me feel confused.
Thanks,
Gao Xiang
next prev parent reply other threads:[~2026-04-10 10:06 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-10 8:13 erofs pointer corruption and kernel crash Arseniy Krasnov
2026-04-10 8:31 ` Gao Xiang
2026-04-10 8:42 ` Gao Xiang
2026-04-10 8:51 ` Arseniy Krasnov
2026-04-10 8:59 ` Gao Xiang
2026-04-10 8:55 ` Arseniy Krasnov
2026-04-10 9:20 ` Gao Xiang
2026-04-10 9:59 ` Arseniy Krasnov
2026-04-10 10:01 ` Gao Xiang
2026-04-10 10:03 ` Arseniy Krasnov
2026-04-10 10:06 ` Gao Xiang [this message]
2026-04-10 10:10 ` Arseniy Krasnov
2026-04-10 10:22 ` Gao Xiang
2026-04-10 10:31 ` Arseniy Krasnov
2026-04-10 11:37 ` Arseniy Krasnov
2026-04-10 12:20 ` Gao Xiang
2026-04-10 13:27 ` Arseniy Krasnov
2026-04-10 15:41 ` Gao Xiang
2026-04-11 15:10 ` Arseniy Krasnov
2026-04-13 7:08 ` Gao Xiang
2026-04-13 7:20 ` Arseniy Krasnov
2026-04-25 15:29 ` Gao Xiang
2026-04-26 11:42 ` Arseniy Krasnov
2026-04-27 14:45 ` Arseniy Krasnov
2026-04-10 13:35 ` Arseniy Krasnov
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