linux-kernel - Re: [PATCH v2] dccp: Fix memleak in __feat_register

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Message-Id: <20190324.201226.2195904854628723725.davem@davemloft.net>
Date:   Sun, 24 Mar 2019 20:12:26 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     yuehaibing@...wei.com
Cc:     gerrit@....abdn.ac.uk, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, dccp@...r.kernel.org
Subject: Re: [PATCH v2] dccp: Fix memleak in __feat_register_sp

From: Yue Haibing <yuehaibing@...wei.com>
Date: Fri, 22 Mar 2019 21:43:48 +0800

> From: YueHaibing <yuehaibing@...wei.com>
> 
> 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@...wei.com>
> Fixes: e8ef967a54f4 ("dccp: Registration routines for changing feature values")
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
> ---
> 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 ‘__feat_register_sp’:
net/dccp/feat.c:742:13: error: invalid type argument of ‘->’ (have ‘dccp_feat_val’ {aka ‘union <anonymous>’})
   kfree(fval->sp.vec);
             ^~