From b5fc3a83614dc7c668ec47503f26d4eae6e8545b Mon Sep 17 00:00:00 2001
From: Martin Milata <martin@martinmilata.cz>
Date: Tue, 27 May 2025 15:00:28 +0200
Subject: [PATCH] fix(core): panic in Map::try_clone

[no changelog]
---
 core/embed/rust/src/micropython/map.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/core/embed/rust/src/micropython/map.rs b/core/embed/rust/src/micropython/map.rs
index 51789abd4f..0b0b71a939 100644
--- a/core/embed/rust/src/micropython/map.rs
+++ b/core/embed/rust/src/micropython/map.rs
@@ -164,8 +164,10 @@ impl Map {
 impl Map {
     pub fn try_clone(&self) -> Result<Self, Error> {
         let mut map = Self::with_capacity(self.len())?;
-        unsafe {
-            ptr::copy_nonoverlapping(self.table, map.table, self.len());
+        if !self.table.is_null() {
+            unsafe {
+                ptr::copy_nonoverlapping(self.table, map.table, self.len());
+            }
         }
         map.set_used(self.used());
         map.set_all_keys_are_qstrs(self.all_keys_are_qstrs());