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Add AFL_QEMU_CUSTOM_BIN environment flag

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In QEMU mode (-Q), setting AFL_QEMU_CUSTOM_BIN cause afl-fuzz to skip
prepending afl-qemu-trace to your command line. Use this if you wish to use a
custom afl-qemu-trace or if you need to modify the afl-qemu-trace arguments.
This commit is contained in:
realmadsci
2021-03-12 15:53:42 -05:00
parent 01ad0f3c6a
commit d4fb7f8b40
4 changed files with 13 additions and 0 deletions
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7
src/afl-common.c
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@ -149,6 +149,13 @@ void argv_cpy_free(char **argv) {
char **get_qemu_argv(u8 *own_loc, u8 **target_path_p, int argc, char **argv) {
if (unlikely(getenv("AFL_QEMU_CUSTOM_BIN"))) {
WARNF(
"AFL_QEMU_CUSTOM_BIN is enabled. "
"You must run your target under afl-qemu-trace on your own!");
return argv;
}
if (!unlikely(own_loc)) { FATAL("BUG: param own_loc is NULL"); }
u8 *tmp, *cp = NULL, *rsl, *own_copy;