diff --git a/kernel/src/process/clone.rs b/kernel/src/process/clone.rs
index 189d3549..e3c13163 100644
--- a/kernel/src/process/clone.rs
+++ b/kernel/src/process/clone.rs
@@ -137,6 +137,14 @@ impl CloneArgs {
             ..Default::default()
         }
     }
+
+    pub fn for_vfork() -> Self {
+        Self {
+            flags: CloneFlags::CLONE_VFORK | CloneFlags::CLONE_VM,
+            exit_signal: Some(SIGCHLD),
+            ..Default::default()
+        }
+    }
 }
 
 impl From<u64> for CloneFlags {
@@ -158,7 +166,8 @@ impl CloneFlags {
             | CloneFlags::CLONE_SETTLS
             | CloneFlags::CLONE_PARENT_SETTID
             | CloneFlags::CLONE_CHILD_SETTID
-            | CloneFlags::CLONE_CHILD_CLEARTID;
+            | CloneFlags::CLONE_CHILD_CLEARTID
+            | CloneFlags::CLONE_VFORK;
         let unsupported_flags = *self - supported_flags;
         if !unsupported_flags.is_empty() {
             warn!("contains unsupported clone flags: {:?}", unsupported_flags);
diff --git a/kernel/src/syscall/arch/x86.rs b/kernel/src/syscall/arch/x86.rs
index d14d2445..d763ba73 100644
--- a/kernel/src/syscall/arch/x86.rs
+++ b/kernel/src/syscall/arch/x86.rs
@@ -26,7 +26,7 @@ use crate::syscall::{
     fallocate::sys_fallocate,
     fcntl::sys_fcntl,
     flock::sys_flock,
-    fork::sys_fork,
+    fork::{sys_fork, sys_vfork},
     fsync::{sys_fdatasync, sys_fsync},
     futex::sys_futex,
     get_priority::sys_get_priority,
@@ -205,6 +205,7 @@ impl_syscall_nums_and_dispatch_fn! {
     SYS_GETSOCKOPT = 55        => sys_getsockopt(args[..5]);
     SYS_CLONE = 56             => sys_clone(args[..5], &user_ctx);
     SYS_FORK = 57              => sys_fork(args[..0], &user_ctx);
+    SYS_VFORK = 58             => sys_vfork(args[..0], &user_ctx);
     SYS_EXECVE = 59            => sys_execve(args[..3], &mut user_ctx);
     SYS_EXIT = 60              => sys_exit(args[..1]);
     SYS_WAIT4 = 61             => sys_wait4(args[..4]);
diff --git a/kernel/src/syscall/fork.rs b/kernel/src/syscall/fork.rs
index 65b0cb8a..7878d43b 100644
--- a/kernel/src/syscall/fork.rs
+++ b/kernel/src/syscall/fork.rs
@@ -13,3 +13,9 @@ pub fn sys_fork(ctx: &Context, parent_context: &UserContext) -> Result<SyscallRe
     let child_pid = clone_child(ctx, parent_context, clone_args).unwrap();
     Ok(SyscallReturn::Return(child_pid as _))
 }
+
+pub fn sys_vfork(ctx: &Context, parent_context: &UserContext) -> Result<SyscallReturn> {
+    let clone_args = CloneArgs::for_vfork();
+    let child_pid = clone_child(ctx, parent_context, clone_args).unwrap();
+    Ok(SyscallReturn::Return(child_pid as _))
+}