From 333a51aeaa98d9229b8b63287d6e8c65918289eb Mon Sep 17 00:00:00 2001
From: Paul Walker <paul@blacksun.org.uk>
Date: Wed, 18 Jan 2023 12:51:42 +0000
Subject: [PATCH] StacktraceObserver speedup using unresolved backtrace (#1002)

We don't use the symbols anyway, and it makes the call *way* faster.
---
 libafl/src/observers/stacktrace.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libafl/src/observers/stacktrace.rs b/libafl/src/observers/stacktrace.rs
index 5571988895..d906691adf 100644
--- a/libafl/src/observers/stacktrace.rs
+++ b/libafl/src/observers/stacktrace.rs
@@ -26,7 +26,7 @@ use crate::{
 /// ([`Debug`] is currently used for dev purposes, symbols hash will be used eventually)
 #[must_use]
 pub fn collect_backtrace() -> u64 {
-    let b = Backtrace::new();
+    let b = Backtrace::new_unresolved();
     if b.frames().is_empty() {
         return 0;
     }