[PATCH] smbfs chroot issue (CVE-2006-1864)

[PATCH] smbfs chroot issue (CVE-2006-1864)

Mark Moseley reported that a chroot environment on a SMB share can be left
via "cd ..\\".  Similar to CVE-2006-1863 issue with cifs, this fix is for
smbfs.

Steven French <[email protected]> wrote:

Looks fine to me.  This should catch the slash on lookup or equivalent,
which will be all obvious paths of interest.

Signed-off-by: Chris Wright <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>