diff --git a/cc/sanitize.go b/cc/sanitize.go
index cd3b3e9..5ca5e5e 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -299,7 +299,8 @@
 	}
 
 	// HWASan ramdisk (which is built from recovery) goes over some bootloader limit.
-	if ctx.inRecovery() {
+	// Keep libc instrumented so that recovery can run hwasan-instrumented code if necessary.
+	if ctx.inRecovery() && !strings.HasPrefix(ctx.ModuleDir(), "bionic/libc") {
 		s.Hwaddress = nil
 	}