linux-kernel - Re: [PATCH RESEND bpf] bpf, s390: Fix potential memory leak about jit

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Date:   Mon, 27 Sep 2021 17:26:26 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Ilya Leoshkevich <iii@...ux.ibm.com>,
        Tiezhu Yang <yangtiezhu@...ngson.cn>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>
Cc:     Yauheni Kaliuta <yauheni.kaliuta@...hat.com>,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        Xuefeng Li <lixuefeng@...ngson.cn>
Subject: Re: [PATCH RESEND bpf] bpf, s390: Fix potential memory leak about
 jit_data

On 9/27/21 1:33 PM, Ilya Leoshkevich wrote:
> On Mon, 2021-09-27 at 15:06 +0800, Tiezhu Yang wrote:
>> Make sure to free jit_data through kfree() in the error path.
>>
>> Fixes: 1c8f9b91c456 ("bpf: s390: add JIT support for multi-function
>> programs")
>> Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
>> ---
>>
>> RESEND due to the following reason:
>> [Can not connect to recipient's server because of unstable
>> network or firewall filter. rcpt handle timeout, last handle
>> info: Can not connect to vger.kernel.org]
>>
>>   arch/s390/net/bpf_jit_comp.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Nice catch, thanks!
> 
> Acked-by: Ilya Leoshkevich <iii@...ux.ibm.com>

Given s390, I presume this would be routed to Linus via Heiko/Vasily?

Thanks,
Daniel