build: Bump linux-loader from 0.6.0 to 0.7.0

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Rob Bradford <robert.bradford@intel.com>

vmm/Cargo.toml

@@ -27,7 +27,7 @@ gdbstub = { version = "0.6.3", optional = true }
 gdbstub_arch = { version = "0.2.4", optional = true }
 hypervisor = { path = "../hypervisor" }
 libc = "0.2.137"
-linux-loader = { version = "0.6.0", features = ["elf", "bzimage", "pe"] }
+linux-loader = { version = "0.7.0", features = ["elf", "bzimage", "pe"] }
 log = "0.4.17"
 micro_http = { git = "https://github.com/firecracker-microvm/micro-http", branch = "main" }
 net_util = { path = "../net_util" }

vmm/src/vm.rs

@@ -127,6 +127,9 @@ pub enum Error {
     #[error("Cannot modify the kernel command line: {0}")]
     CmdLineInsertStr(#[source] linux_loader::cmdline::Error),
 
+    #[error("Cannot create the kernel command line: {0}")]
+    CmdLineCreate(#[source] linux_loader::cmdline::Error),
+
     #[error("Cannot configure system: {0}")]
     ConfigureSystem(#[source] arch::Error),
 
@@ -897,7 +900,7 @@ impl Vm {
         payload: &PayloadConfig,
         #[cfg(target_arch = "aarch64")] device_manager: &Arc<Mutex<DeviceManager>>,
     ) -> Result<Cmdline> {
-        let mut cmdline = Cmdline::new(arch::CMDLINE_MAX_SIZE);
+        let mut cmdline = Cmdline::new(arch::CMDLINE_MAX_SIZE).map_err(Error::CmdLineCreate)?;
         if let Some(s) = payload.cmdline.as_ref() {
             cmdline.insert_str(s).map_err(Error::CmdLineInsertStr)?;
         }