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more small fixes

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This commit is contained in:
hexcoder-
2020-11-13 00:44:08 +01:00
parent 4a4c14c9a9
commit 54a312a5fe
5 changed files with 13 additions and 9 deletions
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2
qemu_mode/libcompcov/pmparser.h
View File

@ -108,7 +108,6 @@ void pmparser_print(procmaps_struct *map, int order);
procmaps_iterator *pmparser_parse(int pid) {
procmaps_iterator *maps_it = malloc(sizeof(procmaps_iterator));
char maps_path[500];
if (pid >= 0) {
@ -129,6 +128,7 @@ procmaps_iterator *pmparser_parse(int pid) {
}
procmaps_iterator *maps_it = malloc(sizeof(procmaps_iterator));
int ind = 0;
char buf[PROCMAPS_LINE_MAX_LENGTH];
// int c;

1
qemu_mode/qemuafl

Submodule qemu_mode/qemuafl deleted from d66c9e2654

2
src/afl-common.c
View File

@ -342,7 +342,7 @@ u8 *find_binary(u8 *fname) {
if (stat(target_path, &st) || !S_ISREG(st.st_mode) ||
!(st.st_mode & 0111) || st.st_size < 4) {
free(target_path);
ck_free(target_path);
FATAL("Program '%s' not found or not executable", fname);
}

1
src/afl-fuzz-python.c
View File

@ -214,6 +214,7 @@ static py_mutator_t *init_py_module(afl_state_t *afl, u8 *module_name) {
PyErr_Print();
fprintf(stderr, "Failed to load \"%s\"\n", module_name);
free(py);
return NULL;
}

16
unicorn_mode/samples/persistent/simple_target_noncrashing.c
View File

@ -10,7 +10,7 @@
* Written by Nathan Voss <njvoss99@gmail.com>
* Adapted by Lukas Seidel <seidel.1@campus.tu-berlin.de>
*/
#include <string.h>
int main(int argc, char** argv) {
if(argc < 2){
@ -19,15 +19,19 @@ int main(int argc, char** argv) {
char *data_buf = argv[1];
if len(data_buf < 20) {
if (data_buf[20] != 0) {
if (strlen(data_buf) >= 21 && data_buf[20] != 0) {
printf("Not crashing");
} else if (data_buf[0] > 0x10 && data_buf[0] < 0x20 && data_buf[1] > data_buf[2]) {
} else if (strlen(data_buf) > 1
&& data_buf[0] > 0x10 && data_buf[0] < 0x20 && data_buf[1] > data_buf[2]) {
printf("Also not crashing with databuf[0] == %c", data_buf[0])
} else if (data_buf[9] == 0x00 && data_buf[10] != 0x00 && data_buf[11] == 0x00) {
}
#if 0
// not possible with argv (zero terminated strings) (hexcoder-)
// do not try to access data_buf[10] and beyond
else if (data_buf[9] == 0x00 && data_buf[10] != 0x00 && data_buf[11] == 0x00) {
// Cause a crash if data[10] is not zero, but [9] and [11] are zero
unsigned char invalid_read = *(unsigned char *) 0x00000000;
}
#endif
return 0;
}