Paulo Alcantara <pc@xxxxxx> 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@xxxxxxxxxxxxxxx> # v5.11+
> Fixes: 315db9a05b7a ("cifs: fix leak in cifs_smb3_do_mount() ctx")
> Signed-off-by: Paulo Alcantara (SUSE) <pc@xxxxxx>
> ---
> 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.
