diff options
| author |   djm <djm@openbsd.org> | 2015-01-18 19:52:44 +0000 |
|---|---|---|
| committer | djm <djm@openbsd.org> | 2015-01-18 19:52:44 +0000 |
| commit | 60d08003695c4320e3b392beb0fad1a5db2b8222 (patch) | |
| tree | f76e48a2fd73be279cdaf7c9c802ba08346e3fc0 /regress/usr.bin/ssh/unittests/test_helper/fuzz.c | |
| parent | better dumps from the fuzzer (shown on errors) - include the (diff) | |
| download | wireguard-openbsd-60d08003695c4320e3b392beb0fad1a5db2b8222.tar.xz wireguard-openbsd-60d08003695c4320e3b392beb0fad1a5db2b8222.zip | |
add a fuzz_matches_original() function to the fuzzer to
detect fuzz cases that are identical to the original data.
Hacky implementation, but very useful when you need the
fuzz to be different, e.g. when verifying signature
Diffstat (limited to 'regress/usr.bin/ssh/unittests/test_helper/fuzz.c')
| -rw-r--r-- | regress/usr.bin/ssh/unittests/test_helper/fuzz.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/regress/usr.bin/ssh/unittests/test_helper/fuzz.c b/regress/usr.bin/ssh/unittests/test_helper/fuzz.c index 2003fbe504f..392783bdabd 100644 --- a/regress/usr.bin/ssh/unittests/test_helper/fuzz.c +++ b/regress/usr.bin/ssh/unittests/test_helper/fuzz.c @@ -1,4 +1,4 @@ -/* $OpenBSD: fuzz.c,v 1.6 2015/01/18 19:50:55 djm Exp $ */ +/* $OpenBSD: fuzz.c,v 1.7 2015/01/18 19:52:44 djm Exp $ */ /* * Copyright (c) 2011 Damien Miller <djm@mindrot.org> * @@ -374,6 +374,14 @@ fuzz_next(struct fuzz *fuzz) } int +fuzz_matches_original(struct fuzz *fuzz) +{ + if (fuzz_len(fuzz) != fuzz->slen) + return 0; + return memcmp(fuzz_ptr(fuzz), fuzz->seed, fuzz->slen) == 0; +} + +int fuzz_done(struct fuzz *fuzz) { FUZZ_DBG(("fuzz = %p, strategies = 0x%lx", fuzz, |