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Ensure random colorization always changes byte

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guyf2010
2022-11-14 12:19:44 +00:00
parent 189255d3f4
commit 7f7cbe9623
1 changed files with 9 additions and 1 deletions
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10
src/afl-fuzz-redqueen.c
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@ -172,7 +172,15 @@ static void random_replace(afl_state_t *afl, u8 *buf, u32 len) {
for (u32 i = 0; i < len; i++) { for (u32 i = 0; i < len; i++) {
buf[i] = rand_below(afl, 256); u8 c;
do {
c = rand_below(afl, 256);
} while (c == buf[i]);
buf[i] = c;
} }