mkdir: Fix SMAP violation

Dennisbonke · Dennisbonke · commit 8ea220a71dbd · 2022-03-27T23:58:14.000+02:00
Signed-off-by: Dennis Bonke &lt;admin@dennisbonke.com&gt;
diff --git a/src/aero_kernel/src/syscall/fs.rs b/src/aero_kernel/src/syscall/fs.rs
@@ -151,7 +151,7 @@ pub fn chdir(path: usize, size: usize) -> Result<usize, AeroSyscallError> {
 }
 
 pub fn mkdirat(dfd: usize, path: usize, size: usize) -> Result<usize, AeroSyscallError> {
-    let path_str = validate_str(path as *mut u8, size).ok_or(AeroSyscallError::EINVAL)?;
+    let path_str = controlregs::with_userspace_access(||validate_str(path as *mut u8, size).ok_or(AeroSyscallError::EINVAL))?;
     let path = Path::new(path_str);
 
     // NOTE: If the pathname given in pathname is relative, then it is interpreted

Original file line number	Diff line number	Diff line change
`@@ -151,7 +151,7 @@ pub fn chdir(path: usize, size: usize) -> Result<usize, AeroSyscallError> {`
`151`	`151`	`}`
`152`	`152`
`153`	`153`	`pub fn mkdirat(dfd: usize, path: usize, size: usize) -> Result<usize, AeroSyscallError> {`
`154`		`- let path_str = validate_str(path as *mut u8, size).ok_or(AeroSyscallError::EINVAL)?;`
	`154`	`+ let path_str = controlregs::with_userspace_access(\|\|validate_str(path as *mut u8, size).ok_or(AeroSyscallError::EINVAL))?;`
`155`	`155`	`let path = Path::new(path_str);`
`156`	`156`
`157`	`157`	`// NOTE: If the pathname given in pathname is relative, then it is interpreted`