On Tue, Sep 25, 2018 at 03:25:18PM +0200, Daniel Borkmann wrote: > From: Alexei Starovoitov <ast@xxxxxxxxxx> > > commit dd066823db2ac4e22f721ec85190817b58059a54 upstream. > > Subtraction of pointers was accidentally allowed for unpriv programs > by commit 82abbf8d2fc4. Revert that part of commit. > > Fixes: 82abbf8d2fc4 ("bpf: do not allow root to mangle valid pointers") > Reported-by: Jann Horn <jannh@xxxxxxxxxx> > Acked-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx> > Signed-off-by: Alexei Starovoitov <ast@xxxxxxxxxx> > Signed-off-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx> > --- > kernel/bpf/verifier.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Now queued up, thanks. greg k-h