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-rw-r--r--pkg/abi/linux/linux_abi_autogen_unsafe.go24
-rw-r--r--pkg/sentry/fsimpl/tmpfs/inode_refs.go3
-rw-r--r--pkg/sentry/platform/ring0/defs_impl_arm64.go3
-rw-r--r--pkg/sentry/socket/unix/socket_refs.go3
-rw-r--r--pkg/sentry/vfs/lock.go16
5 files changed, 29 insertions, 20 deletions
diff --git a/pkg/abi/linux/linux_abi_autogen_unsafe.go b/pkg/abi/linux/linux_abi_autogen_unsafe.go
index b0af8953f..dd8f60298 100644
--- a/pkg/abi/linux/linux_abi_autogen_unsafe.go
+++ b/pkg/abi/linux/linux_abi_autogen_unsafe.go
@@ -167,7 +167,7 @@ func (s *Statx) MarshalUnsafe(dst []byte) {
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (s *Statx) UnmarshalUnsafe(src []byte) {
- if s.Ctime.Packed() && s.Mtime.Packed() && s.Atime.Packed() && s.Btime.Packed() {
+ if s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() {
safecopy.CopyOut(unsafe.Pointer(s), src)
} else {
// Type Statx doesn't have a packed layout in memory, fallback to UnmarshalBytes.
@@ -208,7 +208,7 @@ func (s *Statx) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) {
// CopyIn implements marshal.Marshallable.CopyIn.
//go:nosplit
func (s *Statx) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) {
- if !s.Mtime.Packed() && s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() {
+ if !s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() {
// Type Statx doesn't have a packed layout in memory, fall back to UnmarshalBytes.
buf := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
length, err := task.CopyInBytes(addr, buf) // escapes: okay.
@@ -2025,7 +2025,7 @@ func (i *IPTEntry) Packed() bool {
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (i *IPTEntry) MarshalUnsafe(dst []byte) {
- if i.Counters.Packed() && i.IP.Packed() {
+ if i.IP.Packed() && i.Counters.Packed() {
safecopy.CopyIn(dst, unsafe.Pointer(i))
} else {
// Type IPTEntry doesn't have a packed layout in memory, fallback to MarshalBytes.
@@ -2046,7 +2046,7 @@ func (i *IPTEntry) UnmarshalUnsafe(src []byte) {
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
func (i *IPTEntry) CopyOutN(task marshal.Task, addr usermem.Addr, limit int) (int, error) {
- if !i.IP.Packed() && i.Counters.Packed() {
+ if !i.Counters.Packed() && i.IP.Packed() {
// Type IPTEntry doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := task.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
i.MarshalBytes(buf) // escapes: fallback.
@@ -2208,12 +2208,12 @@ func (i *IPTIP) UnmarshalBytes(src []byte) {
// Packed implements marshal.Marshallable.Packed.
//go:nosplit
func (i *IPTIP) Packed() bool {
- return i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed()
+ return i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed()
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (i *IPTIP) MarshalUnsafe(dst []byte) {
- if i.DstMask.Packed() && i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() {
+ if i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() {
safecopy.CopyIn(dst, unsafe.Pointer(i))
} else {
// Type IPTIP doesn't have a packed layout in memory, fallback to MarshalBytes.
@@ -2234,7 +2234,7 @@ func (i *IPTIP) UnmarshalUnsafe(src []byte) {
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
func (i *IPTIP) CopyOutN(task marshal.Task, addr usermem.Addr, limit int) (int, error) {
- if !i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() {
+ if !i.DstMask.Packed() && i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() {
// Type IPTIP doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := task.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
i.MarshalBytes(buf) // escapes: fallback.
@@ -2290,7 +2290,7 @@ func (i *IPTIP) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) {
// WriteTo implements io.WriterTo.WriteTo.
func (i *IPTIP) WriteTo(w io.Writer) (int64, error) {
- if !i.DstMask.Packed() && i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() {
+ if !i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() {
// Type IPTIP doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := make([]byte, i.SizeBytes())
i.MarshalBytes(buf)
@@ -3014,7 +3014,7 @@ func (i *IP6TEntry) MarshalUnsafe(dst []byte) {
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (i *IP6TEntry) UnmarshalUnsafe(src []byte) {
- if i.Counters.Packed() && i.IPv6.Packed() {
+ if i.IPv6.Packed() && i.Counters.Packed() {
safecopy.CopyOut(unsafe.Pointer(i), src)
} else {
// Type IP6TEntry doesn't have a packed layout in memory, fallback to UnmarshalBytes.
@@ -3025,7 +3025,7 @@ func (i *IP6TEntry) UnmarshalUnsafe(src []byte) {
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
func (i *IP6TEntry) CopyOutN(task marshal.Task, addr usermem.Addr, limit int) (int, error) {
- if !i.Counters.Packed() && i.IPv6.Packed() {
+ if !i.IPv6.Packed() && i.Counters.Packed() {
// Type IP6TEntry doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := task.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
i.MarshalBytes(buf) // escapes: fallback.
@@ -3201,7 +3201,7 @@ func (i *IP6TIP) Packed() bool {
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (i *IP6TIP) MarshalUnsafe(dst []byte) {
- if i.DstMask.Packed() && i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() {
+ if i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() {
safecopy.CopyIn(dst, unsafe.Pointer(i))
} else {
// Type IP6TIP doesn't have a packed layout in memory, fallback to MarshalBytes.
@@ -3211,7 +3211,7 @@ func (i *IP6TIP) MarshalUnsafe(dst []byte) {
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (i *IP6TIP) UnmarshalUnsafe(src []byte) {
- if i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() {
+ if i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed() {
safecopy.CopyOut(unsafe.Pointer(i), src)
} else {
// Type IP6TIP doesn't have a packed layout in memory, fallback to UnmarshalBytes.
diff --git a/pkg/sentry/fsimpl/tmpfs/inode_refs.go b/pkg/sentry/fsimpl/tmpfs/inode_refs.go
index 175dc3409..38eddde7e 100644
--- a/pkg/sentry/fsimpl/tmpfs/inode_refs.go
+++ b/pkg/sentry/fsimpl/tmpfs/inode_refs.go
@@ -1,11 +1,10 @@
package tmpfs
import (
+ "gvisor.dev/gvisor/pkg/log"
refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
-
- "gvisor.dev/gvisor/pkg/log"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/platform/ring0/defs_impl_arm64.go b/pkg/sentry/platform/ring0/defs_impl_arm64.go
index 8ebfbfdb6..9fb351879 100644
--- a/pkg/sentry/platform/ring0/defs_impl_arm64.go
+++ b/pkg/sentry/platform/ring0/defs_impl_arm64.go
@@ -1,10 +1,9 @@
package ring0
import (
- "gvisor.dev/gvisor/pkg/sentry/platform/ring0/pagetables"
-
"fmt"
"gvisor.dev/gvisor/pkg/sentry/arch"
+ "gvisor.dev/gvisor/pkg/sentry/platform/ring0/pagetables"
"gvisor.dev/gvisor/pkg/usermem"
"io"
"reflect"
diff --git a/pkg/sentry/socket/unix/socket_refs.go b/pkg/sentry/socket/unix/socket_refs.go
index 090395057..8eb0c9327 100644
--- a/pkg/sentry/socket/unix/socket_refs.go
+++ b/pkg/sentry/socket/unix/socket_refs.go
@@ -1,11 +1,10 @@
package unix
import (
+ "gvisor.dev/gvisor/pkg/log"
refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
-
- "gvisor.dev/gvisor/pkg/log"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/vfs/lock.go b/pkg/sentry/vfs/lock.go
index 6c7583a81..42666eebf 100644
--- a/pkg/sentry/vfs/lock.go
+++ b/pkg/sentry/vfs/lock.go
@@ -46,7 +46,13 @@ func (fl *FileLocks) LockBSD(uid fslock.UniqueID, t fslock.LockType, block fsloc
if fl.bsd.LockRegion(uid, t, fslock.LockRange{0, fslock.LockEOF}, block) {
return nil
}
- return syserror.ErrWouldBlock
+
+ // Return an appropriate error for the unsuccessful lock attempt, depending on
+ // whether this is a blocking or non-blocking operation.
+ if block == nil {
+ return syserror.ErrWouldBlock
+ }
+ return syserror.ERESTARTSYS
}
// UnlockBSD releases a BSD-style lock on the entire file.
@@ -66,7 +72,13 @@ func (fl *FileLocks) LockPOSIX(ctx context.Context, fd *FileDescription, uid fsl
if fl.posix.LockRegion(uid, t, rng, block) {
return nil
}
- return syserror.ErrWouldBlock
+
+ // Return an appropriate error for the unsuccessful lock attempt, depending on
+ // whether this is a blocking or non-blocking operation.
+ if block == nil {
+ return syserror.ErrWouldBlock
+ }
+ return syserror.ERESTARTSYS
}
// UnlockPOSIX releases a POSIX-style lock on a file region.
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 18:41:25 +0000