> On Jan 21, 2020, at 6:45 PM, Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> 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.
Acked-by: Song Liu <songliubraving@xxxxxx>
Thanks for the fix!
