Re: [PATCH bpf-next] bpf: Fix error path under memory pressure

[Daniel Borkmann <daniel@xxxxxxxxxxxxx>]

On 1/22/20 3:45 AM, Alexei Starovoitov wrote:
> On Tue, Jan 21, 2020 at 6:42 PM Alexei Starovoitov <ast@xxxxxxxxxx> wrote:
> > Restore the 'if (env->cur_state)' check that was incorrectly removed during
> > code move. Under memory pressure env->cur_state can be freed and zeroed inside
> > do_check(). Hence the check is necessary.
> >
> > Fixes: 51c39bb1d5d1 ("bpf: Introduce function-by-function verification")
> > Signed-off-by: Alexei Starovoitov <ast@xxxxxxxxxx>
>
> Forgot to add:
> Reported-by: syzbot+b296579ba5015704d9fa@xxxxxxxxxxxxxxxxxxxxxxxxx
>
> Daniel, pls add while applying.

Done & applied, thanks!