diff options
| author | van Hauser <vh@thc.org> | 2020-05-14 01:12:00 +0200 |
|---|---|---|
| committer | van Hauser <vh@thc.org> | 2020-05-14 01:12:00 +0200 |
| commit | 7c9ff4bfe76e078cd469ef909bd3d5d91389763f (patch) | |
| tree | d0451bee37c17398b672d289b4fdc27de7a4f076 /src | |
| parent | d334093606ff4fb77822f11cde7a80fa880de0c7 (diff) | |
| download | afl++-7c9ff4bfe76e078cd469ef909bd3d5d91389763f.tar.gz | |
if target crashes add LTO fixed map as a possible reason
Diffstat (limited to 'src')
| -rw-r--r-- | src/afl-forkserver.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/afl-forkserver.c b/src/afl-forkserver.c index c1623f22..1c0ba349 100644 --- a/src/afl-forkserver.c +++ b/src/afl-forkserver.c @@ -676,12 +676,12 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv, } else if (!fsrv->mem_limit) { SAYF("\n" cLRD "[-] " cRST - "Hmm, looks like the target binary terminated " - "before we could complete a\n" - " handshake with the injected code. Perhaps there is a horrible " - "bug in the\n" - " fuzzer. Poke <afl-users@googlegroups.com> for troubleshooting " - "tips.\n"); + "Hmm, looks like the target binary terminated before we could" + "complete a handshake with the injected code.\n" + "If the target was compiled with afl-clang-lto then recompiling with" + "AFL_LLVM_MAP_DYNAMIC might solve your problem.\n" + "Otherwise there is a horrible bug in the fuzzer.\n" + "Poke <afl-users@googlegroups.com> for troubleshooting tips.\n"); } else { @@ -708,6 +708,12 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv, " estimate the required amount of virtual memory for the " "binary.\n\n" + " - the target was compiled with afl-clang-lto and a constructor " + "was\n" + " instrumented, recompiling with AFL_LLVM_MAP_DYNAMIC might solve " + "your\n" + " problem\n\n" + " - Less likely, there is a horrible bug in the fuzzer. If other " "options\n" " fail, poke <afl-users@googlegroups.com> for troubleshooting " |