Re: [f2fs-dev] [PATCH v3] f2fs: validate ACL entry sizes in f2fs_acl_from_disk()
patchwork-bot+f2fs--- via Linux-f2fs-devel <[email protected]>
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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! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel