Re: [PATCH v3] extensions: libxt_hashlimit: fix uint64_t printf formats

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On Mon, May 29, 2017 at 2:02 PM, Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
> On Wed, May 24, 2017 at 09:13:58AM +0200, Alin Nastac wrote:
>> From: Alin Nastac <alin.nastac@xxxxxxxxx>
>>
>> The remaining %llu formats are used for unsigned long long values.
>
> Hm, still problems here:
>
> libxt_hashlimit.c: In function ‘hashlimit_mt_print’:
> libxt_hashlimit.c:739:3: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 2 has type ‘__u64’ [-Wformat=]   printf(" burst %"PRIu64, cfg->burst);
>    printf(" burst %"PRIu64, cfg->burst);
>    ^
> libxt_hashlimit.c: In function ‘hashlimit_mt_save’:
> libxt_hashlimit.c:849:3: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 2 has type ‘__u64’ [-Wformat=]
>    printf(" --hashlimit-burst %"PRIu64, cfg->burst);

That's odd, burst field of hashlimit_cfg2 struct is supposed to be an
__u64 integer (see include/linux/netfilter/xt_hashlimit.h line 68).
Probably you include the wrong header file.
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