提交 2cdc5575 编写于 作者: K Kaihui Luo 提交者: David S. Miller

netfilter: xt_time gives a wrong monthday in a leap year

The function localtime_3 in xt_time.c gives a wrong monthday in a leap
year after 28th 2.  calculating monthday should use the array
days_since_leapyear[] not days_since_year[] in a leap year.
Signed-off-by: NKaihui Luo <kaih.luo@gmail.com>
Acked-by: NJan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 147e70e6
......@@ -136,17 +136,19 @@ static void localtime_3(struct xtm *r, time_t time)
* from w repeatedly while counting.)
*/
if (is_leap(year)) {
/* use days_since_leapyear[] in a leap year */
for (i = ARRAY_SIZE(days_since_leapyear) - 1;
i > 0 && days_since_year[i] > w; --i)
i > 0 && days_since_leapyear[i] > w; --i)
/* just loop */;
r->monthday = w - days_since_leapyear[i] + 1;
} else {
for (i = ARRAY_SIZE(days_since_year) - 1;
i > 0 && days_since_year[i] > w; --i)
/* just loop */;
r->monthday = w - days_since_year[i] + 1;
}
r->month = i + 1;
r->monthday = w - days_since_year[i] + 1;
return;
}
......
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