ExternalVendorCode/AFLplusplus
1
0
Fork 0
mirror of https://github.com/AFLplusplus/AFLplusplus.git synced 2025-06-17 20:28:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

code-format

Browse Source
This commit is contained in:
vanhauser-thc
2022-01-25 19:54:46 +01:00
parent ed72b9ec1d
commit 016bdc36bb
2 changed files with 22 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
nyx_mode/README.md
View File

@ -43,6 +43,10 @@ requires an Intel processor (6th generation onwards) and a special 5.10 kernel
## Preparing to fuzz a target with Nyx mode
For source instrumented fuzzing you can use any afl-cc mode, with LTO even
auto-dictionary is supported.
Note the CMPLOG is currently not supported (yet).
Nyx uses full system emulation hence your fuzzing targets have to be especially
packaged.

13
src/afl-forkserver.c
View File

@ -425,6 +425,7 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
}
}
ck_free(x);
if (fsrv->nyx_runner == NULL) { FATAL("Something went wrong ..."); }
@ -467,17 +468,23 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
/* autodict in Nyx mode */
if (!ignore_autodict) {
x = alloc_printf("%s/workdir/dump/afl_autodict.txt", fsrv->out_dir_path);
int nyx_autodict_fd = open(x, O_RDONLY);
ck_free(x);
if (nyx_autodict_fd >= 0) {
struct stat st;
if (fstat(nyx_autodict_fd, &st) >= 0) {
u32 f_len = st.st_size;
u8 *dict = ck_alloc(f_len);
if (dict == NULL) {
FATAL("Could not allocate %u bytes of autodictionary memory", f_len);
FATAL("Could not allocate %u bytes of autodictionary memory",
f_len);
}
u32 offset = 0, count = 0;
@ -497,6 +504,7 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
"Reading autodictionary fail at position %u with %u bytes "
"left.",
offset, len);
}
}
@ -516,8 +524,11 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
ck_free(dict);
}
close(nyx_autodict_fd);
}
}
return;