Update kernel/src/filesystem/vfs/syscall/sys_pread64.rs

kaleidoscope416 · Copilot · web-flow · commit dbfbb5f9d141 · 2025-11-22T20:18:09.000+08:00
Co-authored-by: Copilot &lt;175728472+Copilot@users.noreply.github.com&gt;
diff --git a/kernel/src/filesystem/vfs/syscall/sys_pread64.rs b/kernel/src/filesystem/vfs/syscall/sys_pread64.rs
@@ -44,7 +44,7 @@ impl Syscall for SysPread64Handle {
         // 检查offset + len是否溢出
 
         let end_pos = offset.checked_add(len).ok_or(SystemError::EINVAL)?;
-        if offset > i64::MAX as usize || end_pos > i64::MAX as usize {
+        if end_pos > i64::MAX as usize {
             return Err(SystemError::EINVAL);
         }
 

Original file line number	Diff line number	Diff line change
`@@ -44,7 +44,7 @@ impl Syscall for SysPread64Handle {`
`44`	`44`	`// 检查offset + len是否溢出`
`45`	`45`
`46`	`46`	`let end_pos = offset.checked_add(len).ok_or(SystemError::EINVAL)?;`
`47`		`- if offset > i64::MAX as usize \|\| end_pos > i64::MAX as usize {`
	`47`	`+ if end_pos > i64::MAX as usize {`
`48`	`48`	`return Err(SystemError::EINVAL);`
`49`	`49`	`}`
`50`	`50`