From 6e61b2345cc35f101bac7594089dc57999f33b89 Mon Sep 17 00:00:00 2001
From: van Hauser <vh@thc.org>
Date: Tue, 8 Dec 2020 20:33:41 +0100
Subject: more reporting on errors

---
 src/afl-forkserver.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src')

diff --git a/src/afl-forkserver.c b/src/afl-forkserver.c
index 20117c1d..b1c29ba6 100644
--- a/src/afl-forkserver.c
+++ b/src/afl-forkserver.c
@@ -1069,6 +1069,13 @@ fsrv_run_result_t afl_fsrv_run_target(afl_forkserver_t *fsrv, u32 timeout,
   if (fsrv->child_pid <= 0) {
 
     if (*stop_soon_p) { return 0; }
+
+    if ((fsrv->child_pid & FS_OPT_ERROR) &&
+        FS_OPT_GET_ERROR(fsrv->child_pid) == FS_ERROR_SHM_OPEN)
+      FATAL(
+          "Target reported shared memory access failed (perhaps increase "
+          "shared memory available).");
+
     FATAL("Fork server is misbehaving (OOM?)");
 
   }
-- 
cgit 1.4.1