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From: David Miller <davem@davemloft.net>
To: bhutchings@solarflare.com
Cc: eric.dumazet@gmail.com, netdev@vger.kernel.org, dborkman@redhat.com
Subject: Re: [PATCH net-next] filter: do not output bpf image address for security reason
Date: Fri, 17 May 2013 18:27:21 -0700 (PDT)	[thread overview]
Message-ID: <20130517.182721.470869310914541917.davem@davemloft.net> (raw)
In-Reply-To: <1368839478.3469.70.camel@deadeye.wl.decadent.org.uk>

From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sat, 18 May 2013 02:11:18 +0100

> On Fri, 2013-05-17 at 16:31 -0700, Eric Dumazet wrote:
>> @@ -58,10 +58,11 @@ extern void bpf_jit_free(struct sk_filter *fp);
>>  static inline void bpf_jit_dump(unsigned int flen, unsigned int proglen,
>>  				u32 pass, void *image)
>>  {
>> -	pr_err("flen=%u proglen=%u pass=%u image=%p\n",
>> -	       flen, proglen, pass, image);
>> +	/* Do not output address (image) for security reason */
>> +	pr_err("flen=%u proglen=%u pass=%u image=10\n",
> 
> Not "%pK"?

Yes, that's the acceptable way to deal with this issue.

  reply	other threads:[~2013-05-18  1:27 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-17 23:31 [PATCH net-next] filter: do not output bpf image address for security reason Eric Dumazet
2013-05-17 23:42 ` Joe Perches
2013-05-17 23:48   ` Eric Dumazet
2013-05-18  1:11 ` Ben Hutchings
2013-05-18  1:27   ` David Miller [this message]
2013-05-18  2:55   ` Eric Dumazet
  -- strict thread matches above, loose matches on Subject: below --
2013-05-18  2:57 Eric Dumazet
2013-05-20  6:57 ` David Miller

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