Re: [f2fs-dev] [PATCH] f2fs: use the mount idmap for the owner check in f2fs_xattr_advise_set()

[patchwork-bot+f2fs]

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@xxxxxxxxxx>:

On Thu, 16 Jul 2026 10:59:08 +0800 you wrote:
> f2fs_xattr_advise_set() calls inode_owner_or_capable() with &nop_mnt_idmap
> before allowing the "system.advise" xattr to be set, instead of the idmap
> that the VFS passes to the ->set() handler.
> 
> f2fs supports idmapped mounts, so on such a mount this checks the caller's
> fsuid against the unmapped on-disk owner rather than the mapped owner: the
> actual owner can be wrongly denied with -EPERM and an unrelated caller
> wrongly allowed.  Pass the handler's idmap instead.
> 
> [...]

Here is the summary with links:
  - [f2fs-dev] f2fs: use the mount idmap for the owner check in f2fs_xattr_advise_set()
    https://git.kernel.org/jaegeuk/f2fs/c/a54ffce4637a

You are awesome, thank you!
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