commit 9f584e8cd91172423387c04a153887e8f5f8456c
author David Carlier <devnexen@gmail.com> Fri Jan 31 08:40:07 2020 +0000
committer David Carlier <devnexen@gmail.com> Fri Jan 31 08:40:07 2020 +0000
tree 3f59e87d7d5fea8bbacf65c3f3829eda348ac40a
parent 3b4920011b00a953751dfb8109974cc34ada755a

fuzz init same fails and tries approach as Linux/Android.

src/afl-fuzz-init.c

diff --git a/src/afl-fuzz-init.c b/src/afl-fuzz-init.c
index 6efa622..33b89a8 100644
--- a/src/afl-fuzz-init.c
+++ b/src/afl-fuzz-init.c
@@ -237,15 +237,32 @@
   }
 
 #elif defined(__FreeBSD__) || defined(__DragonFly__)
-  if (pthread_setaffinity_np(pthread_self(), sizeof(c), &c))
-    PFATAL("pthread_setaffinity failed");
+  if (pthread_setaffinity_np(pthread_self(), sizeof(c), &c)) {
+ 
+    if (cpu_start == cpu_core_count)
+      PFATAL("pthread_setaffinity failed for cpu %d, exit", i);
+    WARNF("pthread_setaffinity failed to CPU %d, trying next CPU", i);
+    cpu_start++;
+    goto try
+      ;
+
+  }
 #elif defined(__NetBSD__)
-if (pthread_setaffinity_np(pthread_self(), cpuset_size(c), c))
-  PFATAL("pthread_setaffinity failed");
+if (pthread_setaffinity_np(pthread_self(), cpuset_size(c), c)) {
+ 
+  if (cpu_start == cpu_core_count)
+    PFATAL("pthread_setaffinity failed for cpu %d, exit", i);
+  WARNF("pthread_setaffinity failed to CPU %d, trying next CPU", i);
+  cpu_start++;
+  goto try
+    ;
+
+}
 
 cpuset_destroy(c);
 #else
 // this will need something for other platforms
+// TODO: Solaris/Illumos has processor_bind ... might worth a try
 #endif
 
 }