From 78e72982093758eede259cbc4b171bd238623f37 Mon Sep 17 00:00:00 2001
From: Kithmini Gunawardhana <kithminishanika@gmail.com>
Date: Mon, 8 Jan 2024 15:02:18 +0530
Subject: [PATCH] Fix for finding in invalid file descriptor in fallback mode
 (#395)

---
 src/sc/sc.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sc/sc.cpp b/src/sc/sc.cpp
index 4535fd77..66802cc4 100644
--- a/src/sc/sc.cpp
+++ b/src/sc/sc.cpp
@@ -179,7 +179,7 @@ namespace sc
             close_unused_fds(ctx, false);
 
             // Clone the user inputs fd to be passed on to the contract.
-            const int user_inputs_fd = dup(ctx.args.user_input_store.fd);
+            const int user_inputs_fd = (ctx.args.mode == EXECUTION_MODE::CONSENSUS_FALLBACK) ? STDIN_FILENO : dup(ctx.args.user_input_store.fd);
             lseek(user_inputs_fd, 0, SEEK_SET); // Reset seek position.
 
             // Write the contract execution args from HotPocket to the stdin (0) of the contract process.