diff --git a/.github/workflows/scripts/qemu-6-tests.sh b/.github/workflows/scripts/qemu-6-tests.sh
index 41c34511357..a0612e5e0b2 100755
--- a/.github/workflows/scripts/qemu-6-tests.sh
+++ b/.github/workflows/scripts/qemu-6-tests.sh
@@ -186,6 +186,13 @@ case "$OS" in
     sudo mount -o noatime /dev/vdb /var/tmp
     sudo chmod 1777 /var/tmp
     sudo mv -f /tmp/*.txt /var/tmp
+
+    # Allow for longer RCU timeouts due to the heavily virtualized and
+    # potentially oversubscribed nature of the CI environment.
+    rcu_cpu_stall_timeout="/sys/module/rcupdate/parameters/rcu_cpu_stall_timeout"
+    if test -f $rcu_cpu_stall_timeout; then
+        echo 120 | sudo sh -c "cat > '$rcu_cpu_stall_timeout'"
+    fi
     ;;
 esac