diff options
Diffstat (limited to 'src/afl-fuzz-run.c')
| -rw-r--r-- | src/afl-fuzz-run.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/src/afl-fuzz-run.c b/src/afl-fuzz-run.c index c0fa928e..46d12423 100644 --- a/src/afl-fuzz-run.c +++ b/src/afl-fuzz-run.c @@ -178,15 +178,21 @@ u8 run_target(char** argv, u32 timeout) { if ((res = read(fsrv_st_fd, &status, 4)) != 4) { if (stop_soon) return 0; - SAYF("\n" cLRD "[-] " cRST - "Unable to communicate with fork server. Some possible reasons:\n\n" - " - You've run out of memory. Use -m to increase the the memory limit\n" - " to something higher than %lld.\n" - " - The binary or one of the libraries it uses manages to create\n" - " threads before the forkserver initializes.\n" - " - The binary, at least in some circumstances, exits in a way that\n" - " also kills the parent process - raise() could be the culprit.\n\n" - "If all else fails you can disable the fork server via AFL_NO_FORKSRV=1.\n", mem_limit); + SAYF( + "\n" cLRD "[-] " cRST + "Unable to communicate with fork server. Some possible reasons:\n\n" + " - You've run out of memory. Use -m to increase the the memory " + "limit\n" + " to something higher than %lld.\n" + " - The binary or one of the libraries it uses manages to create\n" + " threads before the forkserver initializes.\n" + " - The binary, at least in some circumstances, exits in a way " + "that\n" + " also kills the parent process - raise() could be the " + "culprit.\n\n" + "If all else fails you can disable the fork server via " + "AFL_NO_FORKSRV=1.\n", + mem_limit); RPFATAL(res, "Unable to communicate with fork server"); } @@ -261,15 +267,23 @@ void write_to_testcase(void* mem, u32 len) { s32 fd = out_fd; #ifdef _AFL_DOCUMENT_MUTATIONS - s32 doc_fd; - char *fn = alloc_printf("%s/mutations/%09u:%s", out_dir, document_counter++, describe_op(0)); + s32 doc_fd; + char* fn = alloc_printf("%s/mutations/%09u:%s", out_dir, document_counter++, + describe_op(0)); if (fn != NULL) { + if ((doc_fd = open(fn, O_WRONLY | O_CREAT | O_TRUNC, 0600)) >= 0) { - if (write(doc_fd, mem, len) != len) PFATAL("write to mutation file failed: %s", fn); + + if (write(doc_fd, mem, len) != len) + PFATAL("write to mutation file failed: %s", fn); close(doc_fd); + } + ck_free(fn); + } + #endif if (out_file) { |