[syserror] Update syserror to linuxerr for EACCES, EBADF, and EPERM.

Update all instances of the above errors to the faster linuxerr implementation.
With the temporary linuxerr.Equals(), no logical changes are made.

PiperOrigin-RevId: 382306655

1 files changed, 8 insertions, 8 deletions

diff --git a/pkg/sentry/vfs/file_description.go b/pkg/sentry/vfs/file_description.go
index 63ee0aab3..6ded82baf 100644
--- a/pkg/sentry/vfs/file_description.go
+++ b/pkg/sentry/vfs/file_description.go
@@ -253,7 +253,7 @@ func (fd *FileDescription) SetStatusFlags(ctx context.Context, creds *auth.Crede
 			return err
 		}
 		if (stat.AttributesMask&linux.STATX_ATTR_APPEND != 0) && (stat.Attributes&linux.STATX_ATTR_APPEND != 0) {
-			return syserror.EPERM
+			return linuxerr.EPERM
 		}
 	}
 	if (flags&linux.O_NOATIME != 0) && (oldFlags&linux.O_NOATIME == 0) {
@@ -267,10 +267,10 @@ func (fd *FileDescription) SetStatusFlags(ctx context.Context, creds *auth.Crede
 			return err
 		}
 		if stat.Mask&linux.STATX_UID == 0 {
-			return syserror.EPERM
+			return linuxerr.EPERM
 		}
 		if !CanActAsOwner(creds, auth.KUID(stat.UID)) {
-			return syserror.EPERM
+			return linuxerr.EPERM
 		}
 	}
 	if flags&linux.O_DIRECT != 0 && !fd.opts.AllowDirectIO {
@@ -568,7 +568,7 @@ func (fd *FileDescription) StatFS(ctx context.Context) (linux.Statfs, error) {
 // Allocate grows file represented by FileDescription to offset + length bytes.
 func (fd *FileDescription) Allocate(ctx context.Context, mode, offset, length uint64) error {
 	if !fd.IsWritable() {
-		return syserror.EBADF
+		return linuxerr.EBADF
 	}
 	if err := fd.impl.Allocate(ctx, mode, offset, length); err != nil {
 		return err
@@ -606,7 +606,7 @@ func (fd *FileDescription) PRead(ctx context.Context, dst usermem.IOSequence, of
 		return 0, syserror.ESPIPE
 	}
 	if !fd.readable {
-		return 0, syserror.EBADF
+		return 0, linuxerr.EBADF
 	}
 	start := fsmetric.StartReadWait()
 	n, err := fd.impl.PRead(ctx, dst, offset, opts)
@@ -621,7 +621,7 @@ func (fd *FileDescription) PRead(ctx context.Context, dst usermem.IOSequence, of
 // Read is similar to PRead, but does not specify an offset.
 func (fd *FileDescription) Read(ctx context.Context, dst usermem.IOSequence, opts ReadOptions) (int64, error) {
 	if !fd.readable {
-		return 0, syserror.EBADF
+		return 0, linuxerr.EBADF
 	}
 	start := fsmetric.StartReadWait()
 	n, err := fd.impl.Read(ctx, dst, opts)
@@ -641,7 +641,7 @@ func (fd *FileDescription) PWrite(ctx context.Context, src usermem.IOSequence, o
 		return 0, syserror.ESPIPE
 	}
 	if !fd.writable {
-		return 0, syserror.EBADF
+		return 0, linuxerr.EBADF
 	}
 	n, err := fd.impl.PWrite(ctx, src, offset, opts)
 	if n > 0 {
@@ -653,7 +653,7 @@ func (fd *FileDescription) PWrite(ctx context.Context, src usermem.IOSequence, o
 // Write is similar to PWrite, but does not specify an offset.
 func (fd *FileDescription) Write(ctx context.Context, src usermem.IOSequence, opts WriteOptions) (int64, error) {
 	if !fd.writable {
-		return 0, syserror.EBADF
+		return 0, linuxerr.EBADF
 	}
 	n, err := fd.impl.Write(ctx, src, opts)
 	if n > 0 {