Re: [PATCH] cifs: fix automount regression of dfs links

[Paulo Alcantara <pc@cjr.nz>]

Paulo Alcantara <pc@cjr.nz> writes:

> Unfortunately we can't kfree() the UNC and prefix paths in
> cifs_smb3_do_mount() because they could have come from a chased DFS
> referral (automount) and we rely on the new values set in cifs_sb->ctx
> prior to calling cifs_mount().
>
> Instead, fix smb3_parse_devname() to not leak the UNC and prefix paths
> when parsing new share paths.
>
> Cc: <stable@vger.kernel.org> # v5.11+
> Fixes: 315db9a05b7a ("cifs: fix leak in cifs_smb3_do_mount() ctx")
> Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
> ---
>  fs/cifs/cifsfs.c     |  6 ------
>  fs/cifs/connect.c    | 10 +++++++---
>  fs/cifs/fs_context.c |  2 ++
>  3 files changed, 9 insertions(+), 9 deletions(-)

Please ignore this patch.  The commit msg is also misleading.

I'll post another one soon.