[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, 6 insertions, 6 deletions

diff --git a/pkg/sentry/fsimpl/tmpfs/regular_file.go b/pkg/sentry/fsimpl/tmpfs/regular_file.go
index 0bc1911d9..55a347c1c 100644
--- a/pkg/sentry/fsimpl/tmpfs/regular_file.go
+++ b/pkg/sentry/fsimpl/tmpfs/regular_file.go
@@ -186,7 +186,7 @@ func (rf *regularFile) truncateLocked(newSize uint64) (bool, error) {
 		// Can we grow the file?
 		if rf.seals&linux.F_SEAL_GROW != 0 {
 			rf.dataMu.Unlock()
-			return false, syserror.EPERM
+			return false, linuxerr.EPERM
 		}
 		// We only need to update the file size.
 		atomic.StoreUint64(&rf.size, newSize)
@@ -197,7 +197,7 @@ func (rf *regularFile) truncateLocked(newSize uint64) (bool, error) {
 	// We are shrinking the file. First check if this is allowed.
 	if rf.seals&linux.F_SEAL_SHRINK != 0 {
 		rf.dataMu.Unlock()
-		return false, syserror.EPERM
+		return false, linuxerr.EPERM
 	}
 
 	// Update the file size.
@@ -234,7 +234,7 @@ func (rf *regularFile) AddMapping(ctx context.Context, ms memmap.MappingSpace, a
 
 	// Reject writable mapping if F_SEAL_WRITE is set.
 	if rf.seals&linux.F_SEAL_WRITE != 0 && writable {
-		return syserror.EPERM
+		return linuxerr.EPERM
 	}
 
 	rf.mappings.AddMapping(ms, ar, offset, writable)
@@ -595,7 +595,7 @@ func (rw *regularFileReadWriter) WriteFromBlocks(srcs safemem.BlockSeq) (uint64,
 	// Check if seals prevent either file growth or all writes.
 	switch {
 	case rw.file.seals&linux.F_SEAL_WRITE != 0: // Write sealed
-		return 0, syserror.EPERM
+		return 0, linuxerr.EPERM
 	case end > rw.file.size && rw.file.seals&linux.F_SEAL_GROW != 0: // Grow sealed
 		// When growth is sealed, Linux effectively allows writes which would
 		// normally grow the file to partially succeed up to the current EOF,
@@ -616,7 +616,7 @@ func (rw *regularFileReadWriter) WriteFromBlocks(srcs safemem.BlockSeq) (uint64,
 		}
 		if end <= rw.off {
 			// Truncation would result in no data being written.
-			return 0, syserror.EPERM
+			return 0, linuxerr.EPERM
 		}
 	}
 
@@ -707,7 +707,7 @@ func AddSeals(fd *vfs.FileDescription, val uint32) error {
 
 	if rf.seals&linux.F_SEAL_SEAL != 0 {
 		// Seal applied which prevents addition of any new seals.
-		return syserror.EPERM
+		return linuxerr.EPERM
 	}
 
 	// F_SEAL_WRITE can only be added if there are no active writable maps.