Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <[email protected]>:
On Mon, 15 Jun 2026 15:19:54 +0800 you wrote:
> f2fs_acl_count() only validates the aggregate ACL xattr length. A
> malformed ACL can still place ACL_USER or ACL_GROUP in a slot that only
> contains struct f2fs_acl_entry_short bytes, and f2fs_acl_from_disk()
> then reads entry->e_id before verifying that a full entry fits.
>
> Require a short entry before reading e_tag and e_perm, and require a
> full entry before reading e_id for ACL_USER and ACL_GROUP. Return
> -EFSCORRUPTED from these new truncated-entry checks, while keeping the
> pre-existing -EINVAL paths unchanged.
>
> [...]
Here is the summary with links:
- [f2fs-dev,v3] f2fs: validate ACL entry sizes in f2fs_acl_from_disk()
https://git.kernel.org/jaegeuk/f2fs/c/f3b87155543b
You are awesome, thank you!
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