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Make the fuzzer a bit more useful by forcing 7-bit data into it.
Getting valid UTF-8 sequences is quite unlikely, so we'd better just convert data to 7 bits and make it extra likely for escape sequences to occur.
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commit
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=197519
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@ -92,13 +92,16 @@ stress_respond(void *s __unused, const void *buf __unused, size_t len __unused)
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{
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{
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}
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}
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static const char replacement[] =
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{ 0x1b, '[', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ';' };
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int
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int
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main(int argc __unused, char *argv[] __unused)
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main(int argc __unused, char *argv[] __unused)
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{
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{
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teken_t t;
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teken_t t;
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int rnd;
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int rnd;
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unsigned int iteration = 0;
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unsigned int i, iteration = 0;
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char buf[2048];
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unsigned char buf[2048];
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rnd = open("/dev/urandom", O_RDONLY);
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rnd = open("/dev/urandom", O_RDONLY);
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if (rnd < 0) {
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if (rnd < 0) {
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@ -114,6 +117,12 @@ main(int argc __unused, char *argv[] __unused)
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exit(1);
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exit(1);
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}
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}
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for (i = 0; i < sizeof buf; i++) {
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if (buf[i] >= 0x80)
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buf[i] =
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replacement[buf[i] % sizeof replacement];
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}
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teken_input(&t, buf, sizeof buf);
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teken_input(&t, buf, sizeof buf);
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iteration++;
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iteration++;
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