From e57bc93c6976db400b004d38da1e2a6eeec25dad Mon Sep 17 00:00:00 2001
From: Alexandre Paillier <alexandre.paillier@ledger.fr>
Date: Thu, 24 Mar 2022 18:52:45 +0100
Subject: [PATCH] Fix stack overflow with long APDUs

---
 src_features/signMessageEIP712/entrypoint.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src_features/signMessageEIP712/entrypoint.c b/src_features/signMessageEIP712/entrypoint.c
index c15872d..835d7e7 100644
--- a/src_features/signMessageEIP712/entrypoint.c
+++ b/src_features/signMessageEIP712/entrypoint.c
@@ -594,7 +594,7 @@ void    init_heap(void)
 
 int     main(void)
 {
-    uint8_t         buf[256];
+    uint8_t         buf[260]; // 4 bytes APDU header + 256 bytes payload
     uint16_t        idx;
     int             state;
     uint8_t         payload_size = 0;