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kexhashbuf was much to small in kex fuzzers

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Matt Johnston
2018-03-08 23:23:19 +08:00
parent 933bc5f8a7
commit 397af3e6a6
2 changed files with 2 additions and 4 deletions
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3
fuzzer-kexdh.c
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@@ -54,8 +54,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
dropbear_exit("Bad kex value");
}
ses.kexhashbuf = buf_new(4);
buf_putint(ses.kexhashbuf, 12345);
ses.kexhashbuf = buf_new(KEXHASHBUF_MAX_INTS);
kexdh_comb_key(dh_param, &dh_e, svr_opts.hostkey);
/* kexhashbuf is freed in kexdh_comb_key */

3
fuzzer-kexecdh.c
View File

@@ -60,8 +60,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
buffer * ecdh_qs = buf_getstringbuf(fuzz.input);
ses.kexhashbuf = buf_new(4);
buf_putint(ses.kexhashbuf, 12345);
ses.kexhashbuf = buf_new(KEXHASHBUF_MAX_INTS);
kexecdh_comb_key(ecdh_param, ecdh_qs, svr_opts.hostkey);
/* kexhashbuf is freed in kexdh_comb_key */