[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

4 files changed, 13 insertions, 15 deletions

diff --git a/pkg/sentry/socket/control/BUILD b/pkg/sentry/socket/control/BUILD
index e1d310b1b..b2fc84181 100644
--- a/pkg/sentry/socket/control/BUILD
+++ b/pkg/sentry/socket/control/BUILD
@@ -26,7 +26,6 @@ go_library(
         "//pkg/sentry/socket",
         "//pkg/sentry/socket/unix/transport",
         "//pkg/sentry/vfs",
-        "//pkg/syserror",
     ],
 )
 
diff --git a/pkg/sentry/socket/control/control.go b/pkg/sentry/socket/control/control.go
index 64958b6ec..00a5e729a 100644
--- a/pkg/sentry/socket/control/control.go
+++ b/pkg/sentry/socket/control/control.go
@@ -29,7 +29,6 @@ import (
 	"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
 	"gvisor.dev/gvisor/pkg/sentry/socket"
 	"gvisor.dev/gvisor/pkg/sentry/socket/unix/transport"
-	"gvisor.dev/gvisor/pkg/syserror"
 )
 
 const maxInt = int(^uint(0) >> 1)
@@ -71,7 +70,7 @@ func NewSCMRights(t *kernel.Task, fds []int32) (SCMRights, error) {
 		file := t.GetFile(fd)
 		if file == nil {
 			files.Release(t)
-			return nil, syserror.EBADF
+			return nil, linuxerr.EBADF
 		}
 		files = append(files, file)
 	}
@@ -170,7 +169,7 @@ func NewSCMCredentials(t *kernel.Task, cred linux.ControlMessageCredentials) (SC
 		return nil, err
 	}
 	if kernel.ThreadID(cred.PID) != t.ThreadGroup().ID() && !t.HasCapabilityIn(linux.CAP_SYS_ADMIN, t.PIDNamespace().UserNamespace()) {
-		return nil, syserror.EPERM
+		return nil, linuxerr.EPERM
 	}
 	return &scmCredentials{t, kuid, kgid}, nil
 }
diff --git a/pkg/sentry/socket/control/control_vfs2.go b/pkg/sentry/socket/control/control_vfs2.go
index 37d02948f..0a989cbeb 100644
--- a/pkg/sentry/socket/control/control_vfs2.go
+++ b/pkg/sentry/socket/control/control_vfs2.go
@@ -17,10 +17,10 @@ package control
 import (
 	"gvisor.dev/gvisor/pkg/abi/linux"
 	"gvisor.dev/gvisor/pkg/context"
+	"gvisor.dev/gvisor/pkg/errors/linuxerr"
 	"gvisor.dev/gvisor/pkg/sentry/kernel"
 	"gvisor.dev/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.dev/gvisor/pkg/sentry/vfs"
-	"gvisor.dev/gvisor/pkg/syserror"
 )
 
 // SCMRightsVFS2 represents a SCM_RIGHTS socket control message.
@@ -51,7 +51,7 @@ func NewSCMRightsVFS2(t *kernel.Task, fds []int32) (SCMRightsVFS2, error) {
 		file := t.GetFileVFS2(fd)
 		if file == nil {
 			files.Release(t)
-			return nil, syserror.EBADF
+			return nil, linuxerr.EBADF
 		}
 		files = append(files, file)
 	}
diff --git a/pkg/sentry/socket/hostinet/stack.go b/pkg/sentry/socket/hostinet/stack.go
index cbb1e905d..7a4e78a5f 100644
--- a/pkg/sentry/socket/hostinet/stack.go
+++ b/pkg/sentry/socket/hostinet/stack.go
@@ -29,11 +29,11 @@ import (
 	"golang.org/x/sys/unix"
 	"gvisor.dev/gvisor/pkg/abi/linux"
 	"gvisor.dev/gvisor/pkg/context"
+	"gvisor.dev/gvisor/pkg/errors/linuxerr"
 	"gvisor.dev/gvisor/pkg/log"
 	"gvisor.dev/gvisor/pkg/marshal/primitive"
 	"gvisor.dev/gvisor/pkg/sentry/inet"
 	"gvisor.dev/gvisor/pkg/syserr"
-	"gvisor.dev/gvisor/pkg/syserror"
 	"gvisor.dev/gvisor/pkg/tcpip"
 	"gvisor.dev/gvisor/pkg/tcpip/stack"
 	"gvisor.dev/gvisor/pkg/usermem"
@@ -320,12 +320,12 @@ func (s *Stack) InterfaceAddrs() map[int32][]inet.InterfaceAddr {
 
 // AddInterfaceAddr implements inet.Stack.AddInterfaceAddr.
 func (s *Stack) AddInterfaceAddr(int32, inet.InterfaceAddr) error {
-	return syserror.EACCES
+	return linuxerr.EACCES
 }
 
 // RemoveInterfaceAddr implements inet.Stack.RemoveInterfaceAddr.
 func (s *Stack) RemoveInterfaceAddr(int32, inet.InterfaceAddr) error {
-	return syserror.EACCES
+	return linuxerr.EACCES
 }
 
 // SupportsIPv6 implements inet.Stack.SupportsIPv6.
@@ -340,7 +340,7 @@ func (s *Stack) TCPReceiveBufferSize() (inet.TCPBufferSize, error) {
 
 // SetTCPReceiveBufferSize implements inet.Stack.SetTCPReceiveBufferSize.
 func (s *Stack) SetTCPReceiveBufferSize(size inet.TCPBufferSize) error {
-	return syserror.EACCES
+	return linuxerr.EACCES
 }
 
 // TCPSendBufferSize implements inet.Stack.TCPSendBufferSize.
@@ -350,7 +350,7 @@ func (s *Stack) TCPSendBufferSize() (inet.TCPBufferSize, error) {
 
 // SetTCPSendBufferSize implements inet.Stack.SetTCPSendBufferSize.
 func (s *Stack) SetTCPSendBufferSize(size inet.TCPBufferSize) error {
-	return syserror.EACCES
+	return linuxerr.EACCES
 }
 
 // TCPSACKEnabled implements inet.Stack.TCPSACKEnabled.
@@ -360,7 +360,7 @@ func (s *Stack) TCPSACKEnabled() (bool, error) {
 
 // SetTCPSACKEnabled implements inet.Stack.SetTCPSACKEnabled.
 func (s *Stack) SetTCPSACKEnabled(bool) error {
-	return syserror.EACCES
+	return linuxerr.EACCES
 }
 
 // TCPRecovery implements inet.Stack.TCPRecovery.
@@ -370,7 +370,7 @@ func (s *Stack) TCPRecovery() (inet.TCPLossRecovery, error) {
 
 // SetTCPRecovery implements inet.Stack.SetTCPRecovery.
 func (s *Stack) SetTCPRecovery(inet.TCPLossRecovery) error {
-	return syserror.EACCES
+	return linuxerr.EACCES
 }
 
 // getLine reads one line from proc file, with specified prefix.
@@ -483,7 +483,7 @@ func (s *Stack) RestoreCleanupEndpoints([]stack.TransportEndpoint) {}
 
 // SetForwarding implements inet.Stack.SetForwarding.
 func (s *Stack) SetForwarding(tcpip.NetworkProtocolNumber, bool) error {
-	return syserror.EACCES
+	return linuxerr.EACCES
 }
 
 // PortRange implements inet.Stack.PortRange.
@@ -494,5 +494,5 @@ func (*Stack) PortRange() (uint16, uint16) {
 
 // SetPortRange implements inet.Stack.SetPortRange.
 func (*Stack) SetPortRange(start uint16, end uint16) error {
-	return syserror.EACCES
+	return linuxerr.EACCES
 }