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Diffstat (limited to 'src/afl-fuzz-run.c')
| -rw-r--r-- | src/afl-fuzz-run.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/afl-fuzz-run.c b/src/afl-fuzz-run.c index 220433fc..c0fa928e 100644 --- a/src/afl-fuzz-run.c +++ b/src/afl-fuzz-run.c @@ -178,7 +178,16 @@ u8 run_target(char** argv, u32 timeout) { if ((res = read(fsrv_st_fd, &status, 4)) != 4) { if (stop_soon) return 0; - RPFATAL(res, "Unable to communicate with fork server (OOM?)"); + 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"); } |