linux-kernel - Re: [f2fs-dev] [PATCH 1/4] f2fs: compress: fix deadloop in f2fs_write_cache

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Date:   Wed, 20 Sep 2023 15:50:25 +0000
From:   patchwork-bot+f2fs@...nel.org
To:     Chao Yu <chao@...nel.org>
Cc:     jaegeuk@...nel.org, linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH 1/4] f2fs: compress: fix deadloop in
 f2fs_write_cache_pages()

Hello:

This series was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@...nel.org>:

On Mon, 28 Aug 2023 22:04:14 +0800 you wrote:
> With below mount option and testcase, it hangs kernel.
> 
> 1. mount -t f2fs -o compress_log_size=5 /dev/vdb /mnt/f2fs
> 2. touch /mnt/f2fs/file
> 3. chattr +c /mnt/f2fs/file
> 4. dd if=/dev/zero of=/mnt/f2fs/file bs=1MB count=1
> 5. sync
> 6. dd if=/dev/zero of=/mnt/f2fs/file bs=111 count=11 conv=notrunc
> 7. sync
> 
> [...]

Here is the summary with links:
  - [f2fs-dev,1/4] f2fs: compress: fix deadloop in f2fs_write_cache_pages()
    https://git.kernel.org/jaegeuk/f2fs/c/c5d3f9b7649a
  - [f2fs-dev,2/4] f2fs: compress: fix to avoid use-after-free on dic
    https://git.kernel.org/jaegeuk/f2fs/c/b0327c84e91a
  - [f2fs-dev,3/4] f2fs: compress: do sanity check on cluster when CONFIG_F2FS_CHECK_FS is on
    https://git.kernel.org/jaegeuk/f2fs/c/2aaea533bf06
  - [f2fs-dev,4/4] f2fs: compress: fix to avoid redundant compress extension
    https://git.kernel.org/jaegeuk/f2fs/c/7e1b150fece0

You are awesome, thank you!
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