From fd236c6cc23876e7edfea6d590c59e413a9c4e55 Mon Sep 17 00:00:00 2001
From: Claudia Richoux <c@laudiacay.cool>
Date: Thu, 2 Dec 2021 12:18:27 -0600
Subject: [PATCH] adding changes from fvm

---
 vm/actor/src/builtin/miner/state.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/vm/actor/src/builtin/miner/state.rs b/vm/actor/src/builtin/miner/state.rs
index d32f48b78665..feca40ee18ed 100644
--- a/vm/actor/src/builtin/miner/state.rs
+++ b/vm/actor/src/builtin/miner/state.rs
@@ -1153,6 +1153,11 @@ impl State {
         let precommitted =
             make_map_with_root_and_bitwidth(&self.pre_committed_sectors, store, HAMT_BIT_WIDTH)?;
         for sector_no in sector_nos.iter() {
+            if sector_no > fil_types::MAX_SECTOR_NUMBER as usize {
+                return Err(
+                    actor_error!(ErrIllegalArgument, "sector number greater than maximum").into(),
+                );
+            }
             let info: &SectorPreCommitOnChainInfo =
                 precommitted
                     .get(&u64_key(sector_no as u64))?