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.
