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authorgVisor bot <gvisor-bot@google.com>2020-08-05 02:15:30 +0000
committergVisor bot <gvisor-bot@google.com>2020-08-05 02:15:30 +0000
commit26a468e6a6033800b0e731b5859c3d2d8dc1712f (patch)
treedf8096dba5db6e8b790e5a7ba1fc0618cf1d6761 /pkg
parenteeeee0c058ccf68600d9e90a273d6374037488a8 (diff)
parent87ee3898f78cb7d520281ead600036052d6a2049 (diff)
Merge release-20200622.1-335-g87ee3898f (automated)
Diffstat (limited to 'pkg')
-rw-r--r--pkg/abi/linux/linux_abi_autogen_unsafe.go14
-rw-r--r--pkg/sentry/syscalls/linux/vfs2/splice.go8
2 files changed, 13 insertions, 9 deletions
diff --git a/pkg/abi/linux/linux_abi_autogen_unsafe.go b/pkg/abi/linux/linux_abi_autogen_unsafe.go
index a7eb38b53..a84c2a2bd 100644
--- a/pkg/abi/linux/linux_abi_autogen_unsafe.go
+++ b/pkg/abi/linux/linux_abi_autogen_unsafe.go
@@ -150,7 +150,7 @@ func (s *Statx) Packed() bool {
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (s *Statx) MarshalUnsafe(dst []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.CopyIn(dst, unsafe.Pointer(s))
} else {
// Type Statx doesn't have a packed layout in memory, fallback to MarshalBytes.
@@ -160,7 +160,7 @@ func (s *Statx) MarshalUnsafe(dst []byte) {
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (s *Statx) UnmarshalUnsafe(src []byte) {
- if s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() && s.Atime.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.
@@ -1635,7 +1635,7 @@ 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.
@@ -1645,7 +1645,7 @@ func (i *IPTEntry) MarshalUnsafe(dst []byte) {
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (i *IPTEntry) UnmarshalUnsafe(src []byte) {
- if i.IP.Packed() && i.Counters.Packed() {
+ if i.Counters.Packed() && i.IP.Packed() {
safecopy.CopyOut(unsafe.Pointer(i), src)
} else {
// Type IPTEntry doesn't have a packed layout in memory, fallback to UnmarshalBytes.
@@ -1712,7 +1712,7 @@ func (i *IPTEntry) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) {
// WriteTo implements io.WriterTo.WriteTo.
func (i *IPTEntry) WriteTo(w io.Writer) (int64, 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 := make([]byte, i.SizeBytes())
i.MarshalBytes(buf)
@@ -1818,7 +1818,7 @@ 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.DstMask.Packed() && i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed()
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
@@ -1833,7 +1833,7 @@ func (i *IPTIP) MarshalUnsafe(dst []byte) {
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (i *IPTIP) 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 IPTIP doesn't have a packed layout in memory, fallback to UnmarshalBytes.
diff --git a/pkg/sentry/syscalls/linux/vfs2/splice.go b/pkg/sentry/syscalls/linux/vfs2/splice.go
index 16f59fce9..75bfa2c79 100644
--- a/pkg/sentry/syscalls/linux/vfs2/splice.go
+++ b/pkg/sentry/syscalls/linux/vfs2/splice.go
@@ -347,6 +347,11 @@ func Sendfile(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysc
} else {
spliceN, err = inFile.Read(t, outPipeFD.IOSequence(count), vfs.ReadOptions{})
}
+ if spliceN == 0 && err == io.EOF {
+ // We reached the end of the file. Eat the error and exit the loop.
+ err = nil
+ break
+ }
n += spliceN
if err == syserror.ErrWouldBlock && !nonBlock {
err = dw.waitForBoth(t)
@@ -367,8 +372,7 @@ func Sendfile(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysc
readN, err = inFile.Read(t, usermem.BytesIOSequence(buf), vfs.ReadOptions{})
}
if readN == 0 && err == io.EOF {
- // We reached the end of the file. Eat the
- // error and exit the loop.
+ // We reached the end of the file. Eat the error and exit the loop.
err = nil
break
}