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Fuzzing MIP

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cpq committed 2022-09-21 20:29:49 +01:00
1 parent ec79ca71b2
commit a12bd2271e
11 files changed
+211 -101
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test/fuzz.c
+21 -1
View File
@@ -1,4 +1,11 @@
#include "mongoose.h"
#define MG_ENABLE_SOCKET 0
#define MG_ENABLE_LOG 0
#define MG_ENABLE_LINES 1
#define MG_ENABLE_MIP 1
#include "mongoose.c"
#include "driver_mock.c"
#ifdef __cplusplus
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *, size_t);
@@ -47,6 +54,19 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
int n;
mg_json_get(mg_str_n((char *) data, size), "$", &n);
mg_json_get(mg_str_n((char *) data, size), "$.a.b", &n);
mg_json_get(mg_str_n((char *) data, size), "$[0]", &n);
struct mip_cfg cfg = {};
size_t pktlen = 1540;
char t[sizeof(struct mip_if) + pktlen * 2 + 0 /* qlen */];
struct mip_if *ifp = (struct mip_if *) t;
struct mg_mgr mgr;
mg_mgr_init(&mgr);
if_init(ifp, &mgr, &cfg, &mip_driver_mock, NULL, pktlen, 0);
mip_rx(ifp, (void *) data, size);
mgr.priv = NULL; // Don't let Mongoose free() ifp
mg_mgr_free(&mgr);
return 0;
}