remove new alloc on deserialization (#15636)

2021-03-23 14:52:59 -05:00
parent e7fd7d46cf
commit 6f5d8d18e9
2 changed files with 10 additions and 1 deletions
--- a/programs/bpf_loader/src/serialization.rs
+++ b/programs/bpf_loader/src/serialization.rs
@ -251,7 +251,10 @@ pub fn deserialize_parameters_aligned(
                + size_of::<u8>() // executable
                + 4 // padding to 128-bit aligned
                + size_of::<Pubkey>(); // key
-            account.owner = Pubkey::new(&buffer[start..start + size_of::<Pubkey>()]);
+            account
+                .owner
+                .as_mut()
+                .copy_from_slice(&buffer[start..start + size_of::<Pubkey>()]);
            start += size_of::<Pubkey>(); // owner
            account.lamports = LittleEndian::read_u64(&buffer[start..]);
            start += size_of::<u64>(); // lamports