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Always increment delays by at least 1.

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This commit is contained in:
Nick Mathewson 2016-11-07 10:17:13 -05:00
parent 1fdf6e5814
commit 85970f7047
1 changed files with 6 additions and 3 deletions
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9
src/or/directory.c
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@ -3803,11 +3803,14 @@ next_random_exponential_delay(int delay, int max_delay)
} else if (delay) { } else if (delay) {
max_increment = INT_MAX-1; max_increment = INT_MAX-1;
} else { } else {
max_increment = 1; /* we're always willing to slow down a little. */ max_increment = 1;
} }
/* the + 1 here is so that we include the end of the interval */ if (BUG(max_increment < 1))
int increment = crypto_rand_int(max_increment+1); max_increment = 1;
/* the + 1 here is so that we always wait longer than last time. */
int increment = crypto_rand_int(max_increment)+1;
if (increment < max_delay - delay) if (increment < max_delay - delay)
return delay + increment; return delay + increment;