Re: [PATCH] f2fs: validate MOVE_RANGE destination size

patchwork-bot+f2fs--- via Linux-f2fs-devel <[email protected]> Wed, 05 Aug 2026 21:20:58 +0000

Newsgroups	gmane.linux.file-systems.f2fs,gmane.linux.kernel,gmane.linux.kernel.stable
Message-ID	<178596485813.530543.10823312438985135960.git-patchwork-notify@kernel.org>

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <[email protected]>:

On Tue, 30 Jun 2026 11:17:00 +0800 you wrote:
> F2FS_IOC_MOVE_RANGE checks the source range, but not the destination end
> before updating i_size. A source hole can expose this: __clone_blkaddrs()
> skips NULL_ADDR entries and returns success, so the caller can still extend
> the destination inode with unchecked pos_out + len.
> 
> Reject destination overflow and use inode_newsize_ok() before extending
> the destination inode.
> 
> [...]

Here is the summary with links:
  - [f2fs-dev] f2fs: validate MOVE_RANGE destination size
    https://git.kernel.org/jaegeuk/f2fs/c/e533889fc26a

You are awesome, thank you!
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