[lvc-project] [PATCH v2 5.10.y] cifs: Fix connections leak when tlink setup failed

[Sasha Levin]

On Thu, Apr 23, 2026 at 05:41:12PM +0300, Vasiliy Kovalev wrote:
> v1 of "cifs: Fix connections leak when tlink setup failed"
> (CVE-2022-49822) is currently in queue-5.10:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?h=queue/5.10&id=685f89e4d2b45768ca796eb22ec1a553fecbdf05
>
> Please drop it and apply v2 instead. v1 introduces a double-free for
> mntdata on the new goto error path from mount_setup_tlink() failure:
> after a successful dfs_cache_add_vol() the pointer is owned by vol_list
> (vi->mntdata), but the error: label still calls kfree(mntdata). v2 NULLs
> out mntdata after the ownership transfer.

I've dropped v1 from pending-5.10 and queued v2 in its place.

--
Thanks,
Sasha