Re: [PATCH v2] dccp: Fix memleak in __feat_register_sp

From: YueHaibing
Date: Sun Mar 24 2019 - 22:51:30 EST



On 2019/3/25 8:12, David Miller wrote:
> From: Yue Haibing <yuehaibing@xxxxxxxxxx>
> Date: Fri, 22 Mar 2019 21:43:48 +0800
>
>> From: YueHaibing <yuehaibing@xxxxxxxxxx>
>>
>> If dccp_feat_push_change fails, we forget free the mem
>> which is alloced by kmemdup in dccp_feat_clone_sp_val.
>>
>> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
>> Fixes: e8ef967a54f4 ("dccp: Registration routines for changing feature values")
>> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
>> ---
>> v2: kfree 'val --> 'fval'
>
> Don't submit any patches for at least 2 days, I am getting really tired of
> changes you don't even COMPILE TEST:
>
> CC [M] net/dccp/feat.o
> net/dccp/feat.c: In function ʽ__feat_register_spʼ:
> net/dccp/feat.c:742:13: error: invalid type argument of ʽ->ʼ (have ʽdccp_feat_valʼ {aka ʽunion <anonymous>ʼ})
> kfree(fval->sp.vec);
>

I'm very sorry for this, will self-reflection.

^~
>