linux-kernel - Re: [PATCH] erofs: don't trigger WARN() when decompression fails

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Message-ID: <b169d1ba-54c9-7195-6190-9d10ffb44530@kernel.org>
Date:   Fri, 29 Oct 2021 14:35:26 +0800
From:   Chao Yu <chao@...nel.org>
To:     Gao Xiang <hsiangkao@...ux.alibaba.com>,
        linux-erofs@...ts.ozlabs.org
Cc:     LKML <linux-kernel@...r.kernel.org>,
        syzbot+d8aaffc3719597e8cfb4@...kaller.appspotmail.com,
        Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: [PATCH] erofs: don't trigger WARN() when decompression fails

On 2021/10/25 15:43, Gao Xiang wrote:
> syzbot reported a WARNING [1] due to corrupted compressed data.
> 
> As Dmitry said, "If this is not a kernel bug, then the code should
> not use WARN. WARN if for kernel bugs and is recognized as such by
> all testing systems and humans."
> 
> [1] https://lore.kernel.org/r/000000000000b3586105cf0ff45e@google.com
> Reported-by: syzbot+d8aaffc3719597e8cfb4@...kaller.appspotmail.com
> Cc: Dmitry Vyukov <dvyukov@...gle.com>
> Cc: Chao Yu <chao@...nel.org>
> Signed-off-by: Gao Xiang <hsiangkao@...ux.alibaba.com>

Reviewed-by: Chao Yu <chao@...nel.org>

Thanks,