Fix offset error

libraries · Apr 9, 2024 · f3d0bfd · f3d0bfd
1 parent 8765d62
commit f3d0bfd
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/script/src/scheduler.rs b/script/src/scheduler.rs
@@ -493,9 +493,6 @@ where
                                 .store64(&length_addr, &actual_length)?;
                             machine.machine.set_register(A0, SUCCESS as u64);
                         } else {
-                            // TODO: in the previous convention
-                            // https://github.com/nervosnetwork/rfcs/blob/master/rfcs/0009-vm-syscalls/0009-vm-syscalls.md#partial-loading
-                            // this will load data in to address 0 without notice. It is now marked as an error.
                             machine.machine.set_register(A0, INDEX_OUT_OF_BOUND as u64);
                         }
                         continue;

diff --git a/script/testdata/spawn_fuzzing b/script/testdata/spawn_fuzzing
diff --git a/script/testdata/spawn_fuzzing.c b/script/testdata/spawn_fuzzing.c
@@ -24,20 +24,23 @@ int extract_command(Data* data, Command* cmd) {
     if (id > 250) {
         cmd->id = SyscallClose;
         cmd->fd_index = (size_t)(id % 2);
+        data->offset += 1;
     } else if (id > 128) {
         if ((data->offset + 7) > data->total_size) {
             return -1;
         }
         cmd->id = SyscallRead;
         memcpy(&cmd->buf_ptr, &data->ptr[data->offset + 1], 3);
         memcpy(&cmd->len_ptr, &data->ptr[data->offset + 4], 3);
+        data->offset += 7;
     } else {
         if ((data->offset + 7) > data->total_size) {
             return -1;
         }
         cmd->id = SyscallWrite;
         memcpy(&cmd->buf_ptr, &data->ptr[data->offset + 1], 3);
         memcpy(&cmd->len_ptr, &data->ptr[data->offset + 4], 3);
+        data->offset += 7;
     }
     return 0;
 }