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-rw-r--r--src/afl-fuzz.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/afl-fuzz.c b/src/afl-fuzz.c
index 6ff4d266..11cb3c67 100644
--- a/src/afl-fuzz.c
+++ b/src/afl-fuzz.c
@@ -1362,8 +1362,12 @@ int main(int argc, char **argv_orig, char **envp) {
 
   #endif
 
-  configure_afl_kill_signals(&afl->fsrv, afl->afl_env.afl_child_kill_signal,
-                             afl->afl_env.afl_fsrv_kill_signal);
+  configure_afl_kill_signals(
+      &afl->fsrv, afl->afl_env.afl_child_kill_signal,
+      afl->afl_env.afl_fsrv_kill_signal,
+      (afl->fsrv.qemu_mode || afl->unicorn_mode || afl->fsrv.nyx_mode)
+          ? SIGKILL
+          : SIGTERM);
 
   setup_signal_handlers();
   check_asan_opts(afl);