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-rw-r--r--pkg/abi/linux/linux_abi_autogen_unsafe.go56
-rw-r--r--pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go4
-rw-r--r--pkg/sentry/fsimpl/devpts/root_inode_refs.go5
-rw-r--r--pkg/sentry/fsimpl/fuse/inode_refs.go5
-rw-r--r--pkg/sentry/fsimpl/host/connected_endpoint_refs.go5
-rw-r--r--pkg/sentry/fsimpl/host/inode_refs.go5
-rw-r--r--pkg/sentry/fsimpl/kernfs/dentry_refs.go5
-rw-r--r--pkg/sentry/fsimpl/kernfs/static_directory_refs.go5
-rw-r--r--pkg/sentry/fsimpl/proc/fd_dir_inode_refs.go5
-rw-r--r--pkg/sentry/fsimpl/proc/fd_info_dir_inode_refs.go5
-rw-r--r--pkg/sentry/fsimpl/proc/subtasks_inode_refs.go5
-rw-r--r--pkg/sentry/fsimpl/proc/task_inode_refs.go5
-rw-r--r--pkg/sentry/fsimpl/proc/tasks_inode_refs.go5
-rw-r--r--pkg/sentry/fsimpl/sys/dir_refs.go5
-rw-r--r--pkg/sentry/fsimpl/tmpfs/inode_refs.go5
-rw-r--r--pkg/sentry/kernel/fd_table_refs.go5
-rw-r--r--pkg/sentry/kernel/fs_context_refs.go5
-rw-r--r--pkg/sentry/kernel/process_group_refs.go5
-rw-r--r--pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go6
-rw-r--r--pkg/sentry/kernel/session_refs.go5
-rw-r--r--pkg/sentry/kernel/shm/shm_refs.go5
-rw-r--r--pkg/sentry/mm/aio_mappable_refs.go5
-rw-r--r--pkg/sentry/mm/special_mappable_refs.go5
-rw-r--r--pkg/sentry/socket/netstack/netstack.go45
-rw-r--r--pkg/sentry/socket/unix/socket_refs.go5
-rw-r--r--pkg/sentry/socket/unix/transport/queue_refs.go5
-rw-r--r--pkg/sentry/socket/unix/transport/unix.go10
-rw-r--r--pkg/sentry/time/seqatomic_parameters_unsafe.go6
-rw-r--r--pkg/sentry/vfs/file_description_refs.go5
-rw-r--r--pkg/sentry/vfs/filesystem_refs.go5
-rw-r--r--pkg/sentry/vfs/mount_namespace_refs.go5
-rw-r--r--pkg/tcpip/link/tun/tun_endpoint_refs.go5
-rw-r--r--pkg/tcpip/tcpip.go13
-rw-r--r--pkg/tcpip/tcpip_state_autogen.go27
-rw-r--r--pkg/tcpip/transport/tcp/endpoint.go33
-rw-r--r--pkg/tcpip/transport/tcp/tcp_state_autogen.go3
36 files changed, 240 insertions, 93 deletions
diff --git a/pkg/abi/linux/linux_abi_autogen_unsafe.go b/pkg/abi/linux/linux_abi_autogen_unsafe.go
index 1f82c041e..e4afe242a 100644
--- a/pkg/abi/linux/linux_abi_autogen_unsafe.go
+++ b/pkg/abi/linux/linux_abi_autogen_unsafe.go
@@ -1088,7 +1088,7 @@ func (s *Statx) UnmarshalBytes(src []byte) {
// Packed implements marshal.Marshallable.Packed.
//go:nosplit
func (s *Statx) Packed() bool {
- return s.Mtime.Packed() && s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed()
+ return s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed()
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
@@ -1103,7 +1103,7 @@ func (s *Statx) MarshalUnsafe(dst []byte) {
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (s *Statx) UnmarshalUnsafe(src []byte) {
- if s.Mtime.Packed() && s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() {
+ if s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() && s.Atime.Packed() {
safecopy.CopyOut(unsafe.Pointer(s), src)
} else {
// Type Statx doesn't have a packed layout in memory, fallback to UnmarshalBytes.
@@ -1114,7 +1114,7 @@ func (s *Statx) UnmarshalUnsafe(src []byte) {
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
func (s *Statx) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) {
- 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() {
// Type Statx doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
s.MarshalBytes(buf) // escapes: fallback.
@@ -1144,7 +1144,7 @@ func (s *Statx) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error)
// CopyIn implements marshal.Marshallable.CopyIn.
//go:nosplit
func (s *Statx) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
- if !s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() {
+ if !s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() && s.Atime.Packed() {
// Type Statx doesn't have a packed layout in memory, fall back to UnmarshalBytes.
buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
@@ -1170,7 +1170,7 @@ func (s *Statx) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
// WriteTo implements io.WriterTo.WriteTo.
func (s *Statx) WriteTo(writer io.Writer) (int64, error) {
- 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() {
// Type Statx doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := make([]byte, s.SizeBytes())
s.MarshalBytes(buf)
@@ -1578,7 +1578,7 @@ func (f *FUSEHeaderIn) MarshalUnsafe(dst []byte) {
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (f *FUSEHeaderIn) UnmarshalUnsafe(src []byte) {
- if f.Opcode.Packed() && f.Unique.Packed() {
+ if f.Unique.Packed() && f.Opcode.Packed() {
safecopy.CopyOut(unsafe.Pointer(f), src)
} else {
// Type FUSEHeaderIn doesn't have a packed layout in memory, fallback to UnmarshalBytes.
@@ -3296,7 +3296,7 @@ func (i *IPTEntry) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error
// WriteTo implements io.WriterTo.WriteTo.
func (i *IPTEntry) WriteTo(writer 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)
@@ -3407,7 +3407,7 @@ func (i *IPTIP) Packed() bool {
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (i *IPTIP) MarshalUnsafe(dst []byte) {
- if i.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.Dst.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.
@@ -3428,7 +3428,7 @@ func (i *IPTIP) UnmarshalUnsafe(src []byte) {
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
func (i *IPTIP) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) {
- 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() {
// Type IPTIP doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
i.MarshalBytes(buf) // escapes: fallback.
@@ -3484,7 +3484,7 @@ func (i *IPTIP) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
// WriteTo implements io.WriterTo.WriteTo.
func (i *IPTIP) WriteTo(writer 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)
@@ -4249,7 +4249,7 @@ func (i *IP6TEntry) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, err
// CopyIn implements marshal.Marshallable.CopyIn.
//go:nosplit
func (i *IP6TEntry) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
- if !i.IPv6.Packed() && i.Counters.Packed() {
+ if !i.Counters.Packed() && i.IPv6.Packed() {
// Type IP6TEntry doesn't have a packed layout in memory, fall back to UnmarshalBytes.
buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
@@ -4405,7 +4405,7 @@ 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.DstMask.Packed() && i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() {
safecopy.CopyOut(unsafe.Pointer(i), src)
} else {
// Type IP6TIP doesn't have a packed layout in memory, fallback to UnmarshalBytes.
@@ -4416,7 +4416,7 @@ func (i *IP6TIP) UnmarshalUnsafe(src []byte) {
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
func (i *IP6TIP) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) {
- if !i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() {
+ if !i.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.Dst.Packed() {
// Type IP6TIP doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
i.MarshalBytes(buf) // escapes: fallback.
@@ -4446,7 +4446,7 @@ func (i *IP6TIP) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error)
// CopyIn implements marshal.Marshallable.CopyIn.
//go:nosplit
func (i *IP6TIP) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
- if !i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed() {
+ if !i.DstMask.Packed() && i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() {
// Type IP6TIP doesn't have a packed layout in memory, fall back to UnmarshalBytes.
buf := cc.CopyScratchBuffer(i.SizeBytes()) // escapes: okay.
length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
@@ -4472,7 +4472,7 @@ func (i *IP6TIP) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error)
// WriteTo implements io.WriterTo.WriteTo.
func (i *IP6TIP) WriteTo(writer io.Writer) (int64, error) {
- 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() {
// Type IP6TIP doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := make([]byte, i.SizeBytes())
i.MarshalBytes(buf)
@@ -4980,7 +4980,7 @@ func (r *Rusage) MarshalUnsafe(dst []byte) {
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (r *Rusage) UnmarshalUnsafe(src []byte) {
- if r.UTime.Packed() && r.STime.Packed() {
+ if r.STime.Packed() && r.UTime.Packed() {
safecopy.CopyOut(unsafe.Pointer(r), src)
} else {
// Type Rusage doesn't have a packed layout in memory, fallback to UnmarshalBytes.
@@ -5047,7 +5047,7 @@ func (r *Rusage) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error)
// WriteTo implements io.WriterTo.WriteTo.
func (r *Rusage) WriteTo(writer io.Writer) (int64, error) {
- if !r.STime.Packed() && r.UTime.Packed() {
+ if !r.UTime.Packed() && r.STime.Packed() {
// Type Rusage doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := make([]byte, r.SizeBytes())
r.MarshalBytes(buf)
@@ -5112,7 +5112,7 @@ func (s *SemidDS) UnmarshalBytes(src []byte) {
// Packed implements marshal.Marshallable.Packed.
//go:nosplit
func (s *SemidDS) Packed() bool {
- return s.SemCTime.Packed() && s.SemPerm.Packed() && s.SemOTime.Packed()
+ return s.SemPerm.Packed() && s.SemOTime.Packed() && s.SemCTime.Packed()
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
@@ -5127,7 +5127,7 @@ func (s *SemidDS) MarshalUnsafe(dst []byte) {
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (s *SemidDS) UnmarshalUnsafe(src []byte) {
- if s.SemOTime.Packed() && s.SemCTime.Packed() && s.SemPerm.Packed() {
+ if s.SemPerm.Packed() && s.SemOTime.Packed() && s.SemCTime.Packed() {
safecopy.CopyOut(unsafe.Pointer(s), src)
} else {
// Type SemidDS doesn't have a packed layout in memory, fallback to UnmarshalBytes.
@@ -5138,7 +5138,7 @@ func (s *SemidDS) UnmarshalUnsafe(src []byte) {
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
func (s *SemidDS) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) {
- if !s.SemOTime.Packed() && s.SemCTime.Packed() && s.SemPerm.Packed() {
+ if !s.SemPerm.Packed() && s.SemOTime.Packed() && s.SemCTime.Packed() {
// Type SemidDS doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
s.MarshalBytes(buf) // escapes: fallback.
@@ -5459,12 +5459,12 @@ func (s *ShmidDS) UnmarshalBytes(src []byte) {
// Packed implements marshal.Marshallable.Packed.
//go:nosplit
func (s *ShmidDS) Packed() bool {
- return s.ShmDtime.Packed() && s.ShmCtime.Packed() && s.ShmPerm.Packed() && s.ShmAtime.Packed()
+ return s.ShmPerm.Packed() && s.ShmAtime.Packed() && s.ShmDtime.Packed() && s.ShmCtime.Packed()
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (s *ShmidDS) MarshalUnsafe(dst []byte) {
- if s.ShmCtime.Packed() && s.ShmPerm.Packed() && s.ShmAtime.Packed() && s.ShmDtime.Packed() {
+ if s.ShmDtime.Packed() && s.ShmCtime.Packed() && s.ShmPerm.Packed() && s.ShmAtime.Packed() {
safecopy.CopyIn(dst, unsafe.Pointer(s))
} else {
// Type ShmidDS doesn't have a packed layout in memory, fallback to MarshalBytes.
@@ -5515,7 +5515,7 @@ func (s *ShmidDS) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error
// CopyIn implements marshal.Marshallable.CopyIn.
//go:nosplit
func (s *ShmidDS) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
- if !s.ShmPerm.Packed() && s.ShmAtime.Packed() && s.ShmDtime.Packed() && s.ShmCtime.Packed() {
+ if !s.ShmDtime.Packed() && s.ShmCtime.Packed() && s.ShmPerm.Packed() && s.ShmAtime.Packed() {
// Type ShmidDS doesn't have a packed layout in memory, fall back to UnmarshalBytes.
buf := cc.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
@@ -7926,7 +7926,7 @@ func (t *Tms) UnmarshalBytes(src []byte) {
// Packed implements marshal.Marshallable.Packed.
//go:nosplit
func (t *Tms) Packed() bool {
- return t.CUTime.Packed() && t.CSTime.Packed() && t.UTime.Packed() && t.STime.Packed()
+ return t.UTime.Packed() && t.STime.Packed() && t.CUTime.Packed() && t.CSTime.Packed()
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
@@ -7941,7 +7941,7 @@ func (t *Tms) MarshalUnsafe(dst []byte) {
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (t *Tms) UnmarshalUnsafe(src []byte) {
- if t.STime.Packed() && t.CUTime.Packed() && t.CSTime.Packed() && t.UTime.Packed() {
+ if t.UTime.Packed() && t.STime.Packed() && t.CUTime.Packed() && t.CSTime.Packed() {
safecopy.CopyOut(unsafe.Pointer(t), src)
} else {
// Type Tms doesn't have a packed layout in memory, fallback to UnmarshalBytes.
@@ -7952,7 +7952,7 @@ func (t *Tms) UnmarshalUnsafe(src []byte) {
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
func (t *Tms) CopyOutN(cc marshal.CopyContext, addr usermem.Addr, limit int) (int, error) {
- if !t.CUTime.Packed() && t.CSTime.Packed() && t.UTime.Packed() && t.STime.Packed() {
+ if !t.UTime.Packed() && t.STime.Packed() && t.CUTime.Packed() && t.CSTime.Packed() {
// Type Tms doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := cc.CopyScratchBuffer(t.SizeBytes()) // escapes: okay.
t.MarshalBytes(buf) // escapes: fallback.
@@ -7982,7 +7982,7 @@ func (t *Tms) CopyOut(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
// CopyIn implements marshal.Marshallable.CopyIn.
//go:nosplit
func (t *Tms) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
- if !t.UTime.Packed() && t.STime.Packed() && t.CUTime.Packed() && t.CSTime.Packed() {
+ if !t.CUTime.Packed() && t.CSTime.Packed() && t.UTime.Packed() && t.STime.Packed() {
// Type Tms doesn't have a packed layout in memory, fall back to UnmarshalBytes.
buf := cc.CopyScratchBuffer(t.SizeBytes()) // escapes: okay.
length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
@@ -8008,7 +8008,7 @@ func (t *Tms) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
// WriteTo implements io.WriterTo.WriteTo.
func (t *Tms) WriteTo(writer io.Writer) (int64, error) {
- if !t.STime.Packed() && t.CUTime.Packed() && t.CSTime.Packed() && t.UTime.Packed() {
+ if !t.UTime.Packed() && t.STime.Packed() && t.CUTime.Packed() && t.CSTime.Packed() {
// Type Tms doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := make([]byte, t.SizeBytes())
t.MarshalBytes(buf)
diff --git a/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go b/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go
index 4e933f2ed..e448fd95d 100644
--- a/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go
+++ b/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go
@@ -310,7 +310,7 @@ func (s *Stat) MarshalUnsafe(dst []byte) {
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (s *Stat) UnmarshalUnsafe(src []byte) {
- if s.MTime.Packed() && s.CTime.Packed() && s.ATime.Packed() {
+ if s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
safecopy.CopyOut(unsafe.Pointer(s), src)
} else {
// Type Stat doesn't have a packed layout in memory, fallback to UnmarshalBytes.
@@ -377,7 +377,7 @@ func (s *Stat) CopyIn(cc marshal.CopyContext, addr usermem.Addr) (int, error) {
// WriteTo implements io.WriterTo.WriteTo.
func (s *Stat) WriteTo(writer io.Writer) (int64, error) {
- if !s.MTime.Packed() && s.CTime.Packed() && s.ATime.Packed() {
+ if !s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() {
// Type Stat doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := make([]byte, s.SizeBytes())
s.MarshalBytes(buf)
diff --git a/pkg/sentry/fsimpl/devpts/root_inode_refs.go b/pkg/sentry/fsimpl/devpts/root_inode_refs.go
index 4abb66431..051801202 100644
--- a/pkg/sentry/fsimpl/devpts/root_inode_refs.go
+++ b/pkg/sentry/fsimpl/devpts/root_inode_refs.go
@@ -2,10 +2,11 @@ package devpts
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/fsimpl/fuse/inode_refs.go b/pkg/sentry/fsimpl/fuse/inode_refs.go
index 4fb4d4da7..6b9456e1d 100644
--- a/pkg/sentry/fsimpl/fuse/inode_refs.go
+++ b/pkg/sentry/fsimpl/fuse/inode_refs.go
@@ -2,10 +2,11 @@ package fuse
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/fsimpl/host/connected_endpoint_refs.go b/pkg/sentry/fsimpl/host/connected_endpoint_refs.go
index 225f59782..babb3f664 100644
--- a/pkg/sentry/fsimpl/host/connected_endpoint_refs.go
+++ b/pkg/sentry/fsimpl/host/connected_endpoint_refs.go
@@ -2,10 +2,11 @@ package host
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/fsimpl/host/inode_refs.go b/pkg/sentry/fsimpl/host/inode_refs.go
index 4075eae17..17f90ce4a 100644
--- a/pkg/sentry/fsimpl/host/inode_refs.go
+++ b/pkg/sentry/fsimpl/host/inode_refs.go
@@ -2,10 +2,11 @@ package host
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/fsimpl/kernfs/dentry_refs.go b/pkg/sentry/fsimpl/kernfs/dentry_refs.go
index f99d4941a..79863b3bc 100644
--- a/pkg/sentry/fsimpl/kernfs/dentry_refs.go
+++ b/pkg/sentry/fsimpl/kernfs/dentry_refs.go
@@ -2,10 +2,11 @@ package kernfs
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/fsimpl/kernfs/static_directory_refs.go b/pkg/sentry/fsimpl/kernfs/static_directory_refs.go
index 2b258010e..478b04bdd 100644
--- a/pkg/sentry/fsimpl/kernfs/static_directory_refs.go
+++ b/pkg/sentry/fsimpl/kernfs/static_directory_refs.go
@@ -2,10 +2,11 @@ package kernfs
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/fsimpl/proc/fd_dir_inode_refs.go b/pkg/sentry/fsimpl/proc/fd_dir_inode_refs.go
index 467c32752..9431c1506 100644
--- a/pkg/sentry/fsimpl/proc/fd_dir_inode_refs.go
+++ b/pkg/sentry/fsimpl/proc/fd_dir_inode_refs.go
@@ -2,10 +2,11 @@ package proc
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/fsimpl/proc/fd_info_dir_inode_refs.go b/pkg/sentry/fsimpl/proc/fd_info_dir_inode_refs.go
index 3fcda0948..872b20eb0 100644
--- a/pkg/sentry/fsimpl/proc/fd_info_dir_inode_refs.go
+++ b/pkg/sentry/fsimpl/proc/fd_info_dir_inode_refs.go
@@ -2,10 +2,11 @@ package proc
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/fsimpl/proc/subtasks_inode_refs.go b/pkg/sentry/fsimpl/proc/subtasks_inode_refs.go
index 2da6801c2..c6d9b3522 100644
--- a/pkg/sentry/fsimpl/proc/subtasks_inode_refs.go
+++ b/pkg/sentry/fsimpl/proc/subtasks_inode_refs.go
@@ -2,10 +2,11 @@ package proc
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/fsimpl/proc/task_inode_refs.go b/pkg/sentry/fsimpl/proc/task_inode_refs.go
index b6e19844c..714488450 100644
--- a/pkg/sentry/fsimpl/proc/task_inode_refs.go
+++ b/pkg/sentry/fsimpl/proc/task_inode_refs.go
@@ -2,10 +2,11 @@ package proc
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/fsimpl/proc/tasks_inode_refs.go b/pkg/sentry/fsimpl/proc/tasks_inode_refs.go
index 6207364e4..22d9cc488 100644
--- a/pkg/sentry/fsimpl/proc/tasks_inode_refs.go
+++ b/pkg/sentry/fsimpl/proc/tasks_inode_refs.go
@@ -2,10 +2,11 @@ package proc
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/fsimpl/sys/dir_refs.go b/pkg/sentry/fsimpl/sys/dir_refs.go
index 9d15d4c80..89609b198 100644
--- a/pkg/sentry/fsimpl/sys/dir_refs.go
+++ b/pkg/sentry/fsimpl/sys/dir_refs.go
@@ -2,10 +2,11 @@ package sys
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/fsimpl/tmpfs/inode_refs.go b/pkg/sentry/fsimpl/tmpfs/inode_refs.go
index ff5e99c52..dbf0b2766 100644
--- a/pkg/sentry/fsimpl/tmpfs/inode_refs.go
+++ b/pkg/sentry/fsimpl/tmpfs/inode_refs.go
@@ -2,10 +2,11 @@ package tmpfs
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/kernel/fd_table_refs.go b/pkg/sentry/kernel/fd_table_refs.go
index a630289c9..ecba138ac 100644
--- a/pkg/sentry/kernel/fd_table_refs.go
+++ b/pkg/sentry/kernel/fd_table_refs.go
@@ -2,10 +2,11 @@ package kernel
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/kernel/fs_context_refs.go b/pkg/sentry/kernel/fs_context_refs.go
index e8bb1e6ee..fb2fde971 100644
--- a/pkg/sentry/kernel/fs_context_refs.go
+++ b/pkg/sentry/kernel/fs_context_refs.go
@@ -2,10 +2,11 @@ package kernel
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/kernel/process_group_refs.go b/pkg/sentry/kernel/process_group_refs.go
index 4b257d548..4ed6e6458 100644
--- a/pkg/sentry/kernel/process_group_refs.go
+++ b/pkg/sentry/kernel/process_group_refs.go
@@ -2,10 +2,11 @@ package kernel
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go b/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go
index 90148bbb2..a0f2fe45c 100644
--- a/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go
+++ b/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go
@@ -1,12 +1,12 @@
package kernel
import (
- "fmt"
- "reflect"
- "strings"
"unsafe"
+ "fmt"
"gvisor.dev/gvisor/pkg/sync"
+ "reflect"
+ "strings"
)
// SeqAtomicLoad returns a copy of *ptr, ensuring that the read does not race
diff --git a/pkg/sentry/kernel/session_refs.go b/pkg/sentry/kernel/session_refs.go
index 204fdd060..f2e1bb797 100644
--- a/pkg/sentry/kernel/session_refs.go
+++ b/pkg/sentry/kernel/session_refs.go
@@ -2,10 +2,11 @@ package kernel
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/kernel/shm/shm_refs.go b/pkg/sentry/kernel/shm/shm_refs.go
index 4bffdd0b3..51e07d0b3 100644
--- a/pkg/sentry/kernel/shm/shm_refs.go
+++ b/pkg/sentry/kernel/shm/shm_refs.go
@@ -2,10 +2,11 @@ package shm
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/mm/aio_mappable_refs.go b/pkg/sentry/mm/aio_mappable_refs.go
index 141747137..b99909f07 100644
--- a/pkg/sentry/mm/aio_mappable_refs.go
+++ b/pkg/sentry/mm/aio_mappable_refs.go
@@ -2,10 +2,11 @@ package mm
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/mm/special_mappable_refs.go b/pkg/sentry/mm/special_mappable_refs.go
index 0921a5d18..035bbe690 100644
--- a/pkg/sentry/mm/special_mappable_refs.go
+++ b/pkg/sentry/mm/special_mappable_refs.go
@@ -2,10 +2,11 @@ package mm
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/socket/netstack/netstack.go b/pkg/sentry/socket/netstack/netstack.go
index 2e568bc3d..b462924af 100644
--- a/pkg/sentry/socket/netstack/netstack.go
+++ b/pkg/sentry/socket/netstack/netstack.go
@@ -482,8 +482,35 @@ func (s *socketOpsCommon) fetchReadView() *syserr.Error {
}
// Release implements fs.FileOperations.Release.
-func (s *socketOpsCommon) Release(context.Context) {
+func (s *socketOpsCommon) Release(ctx context.Context) {
+ e, ch := waiter.NewChannelEntry(nil)
+ s.EventRegister(&e, waiter.EventHUp|waiter.EventErr)
+ defer s.EventUnregister(&e)
+
s.Endpoint.Close()
+
+ // SO_LINGER option is valid only for TCP. For other socket types
+ // return after endpoint close.
+ if family, skType, _ := s.Type(); skType != linux.SOCK_STREAM || (family != linux.AF_INET && family != linux.AF_INET6) {
+ return
+ }
+
+ var v tcpip.LingerOption
+ if err := s.Endpoint.GetSockOpt(&v); err != nil {
+ return
+ }
+
+ // The case for zero timeout is handled in tcp endpoint close function.
+ // Close is blocked until either:
+ // 1. The endpoint state is not in any of the states: FIN-WAIT1,
+ // CLOSING and LAST_ACK.
+ // 2. Timeout is reached.
+ if v.Enabled && v.Timeout != 0 {
+ t := kernel.TaskFromContext(ctx)
+ start := t.Kernel().MonotonicClock().Now()
+ deadline := start.Add(v.Timeout)
+ t.BlockWithDeadline(ch, true, deadline)
+ }
}
// Read implements fs.FileOperations.Read.
@@ -1155,7 +1182,16 @@ func getSockOptSocket(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, fam
return nil, syserr.ErrInvalidArgument
}
- linger := linux.Linger{}
+ var v tcpip.LingerOption
+ var linger linux.Linger
+ if err := ep.GetSockOpt(&v); err != nil {
+ return &linger, nil
+ }
+
+ if v.Enabled {
+ linger.OnOff = 1
+ }
+ linger.Linger = int32(v.Timeout.Seconds())
return &linger, nil
case linux.SO_SNDTIMEO:
@@ -1884,7 +1920,10 @@ func setSockOptSocket(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, nam
socket.SetSockOptEmitUnimplementedEvent(t, name)
}
- return nil
+ return syserr.TranslateNetstackError(
+ ep.SetSockOpt(&tcpip.LingerOption{
+ Enabled: v.OnOff != 0,
+ Timeout: time.Second * time.Duration(v.Linger)}))
case linux.SO_DETACH_FILTER:
// optval is ignored.
diff --git a/pkg/sentry/socket/unix/socket_refs.go b/pkg/sentry/socket/unix/socket_refs.go
index 39aaedc7f..dababb85f 100644
--- a/pkg/sentry/socket/unix/socket_refs.go
+++ b/pkg/sentry/socket/unix/socket_refs.go
@@ -2,10 +2,11 @@ package unix
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/socket/unix/transport/queue_refs.go b/pkg/sentry/socket/unix/transport/queue_refs.go
index 4c3dcd13f..0d4e34988 100644
--- a/pkg/sentry/socket/unix/transport/queue_refs.go
+++ b/pkg/sentry/socket/unix/transport/queue_refs.go
@@ -2,10 +2,11 @@ package transport
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/socket/unix/transport/unix.go b/pkg/sentry/socket/unix/transport/unix.go
index cbbdd000f..08504560c 100644
--- a/pkg/sentry/socket/unix/transport/unix.go
+++ b/pkg/sentry/socket/unix/transport/unix.go
@@ -945,8 +945,14 @@ func (e *baseEndpoint) GetSockOptInt(opt tcpip.SockOptInt) (int, *tcpip.Error) {
// GetSockOpt implements tcpip.Endpoint.GetSockOpt.
func (e *baseEndpoint) GetSockOpt(opt tcpip.GettableSocketOption) *tcpip.Error {
- log.Warningf("Unsupported socket option: %T", opt)
- return tcpip.ErrUnknownProtocolOption
+ switch opt.(type) {
+ case *tcpip.LingerOption:
+ return nil
+
+ default:
+ log.Warningf("Unsupported socket option: %T", opt)
+ return tcpip.ErrUnknownProtocolOption
+ }
}
// LastError implements Endpoint.LastError.
diff --git a/pkg/sentry/time/seqatomic_parameters_unsafe.go b/pkg/sentry/time/seqatomic_parameters_unsafe.go
index 2cb001080..f18440378 100644
--- a/pkg/sentry/time/seqatomic_parameters_unsafe.go
+++ b/pkg/sentry/time/seqatomic_parameters_unsafe.go
@@ -1,12 +1,12 @@
package time
import (
- "fmt"
- "reflect"
- "strings"
"unsafe"
+ "fmt"
"gvisor.dev/gvisor/pkg/sync"
+ "reflect"
+ "strings"
)
// SeqAtomicLoad returns a copy of *ptr, ensuring that the read does not race
diff --git a/pkg/sentry/vfs/file_description_refs.go b/pkg/sentry/vfs/file_description_refs.go
index 6c7747259..bdd7e6554 100644
--- a/pkg/sentry/vfs/file_description_refs.go
+++ b/pkg/sentry/vfs/file_description_refs.go
@@ -2,10 +2,11 @@ package vfs
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/vfs/filesystem_refs.go b/pkg/sentry/vfs/filesystem_refs.go
index 96f681831..38a9a986f 100644
--- a/pkg/sentry/vfs/filesystem_refs.go
+++ b/pkg/sentry/vfs/filesystem_refs.go
@@ -2,10 +2,11 @@ package vfs
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/sentry/vfs/mount_namespace_refs.go b/pkg/sentry/vfs/mount_namespace_refs.go
index 4c422c81f..63285fb8e 100644
--- a/pkg/sentry/vfs/mount_namespace_refs.go
+++ b/pkg/sentry/vfs/mount_namespace_refs.go
@@ -2,10 +2,11 @@ package vfs
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/tcpip/link/tun/tun_endpoint_refs.go b/pkg/tcpip/link/tun/tun_endpoint_refs.go
index 9a38142f5..e0595429c 100644
--- a/pkg/tcpip/link/tun/tun_endpoint_refs.go
+++ b/pkg/tcpip/link/tun/tun_endpoint_refs.go
@@ -2,10 +2,11 @@ package tun
import (
"fmt"
- "gvisor.dev/gvisor/pkg/log"
- refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
"runtime"
"sync/atomic"
+
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
)
// ownerType is used to customize logging. Note that we use a pointer to T so
diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go
index 5e34e27ba..b2ddb24ec 100644
--- a/pkg/tcpip/tcpip.go
+++ b/pkg/tcpip/tcpip.go
@@ -1194,6 +1194,19 @@ const (
TCPTimeWaitReuseLoopbackOnly
)
+// LingerOption is used by SetSockOpt/GetSockOpt to set/get the
+// duration for which a socket lingers before returning from Close.
+//
+// +stateify savable
+type LingerOption struct {
+ Enabled bool
+ Timeout time.Duration
+}
+
+func (*LingerOption) isGettableSocketOption() {}
+
+func (*LingerOption) isSettableSocketOption() {}
+
// IPPacketInfo is the message structure for IP_PKTINFO.
//
// +stateify savable
diff --git a/pkg/tcpip/tcpip_state_autogen.go b/pkg/tcpip/tcpip_state_autogen.go
index 827b27692..034b39c1f 100644
--- a/pkg/tcpip/tcpip_state_autogen.go
+++ b/pkg/tcpip/tcpip_state_autogen.go
@@ -111,6 +111,32 @@ func (x *LinkPacketInfo) StateLoad(m state.Source) {
m.Load(1, &x.PktType)
}
+func (x *LingerOption) StateTypeName() string {
+ return "pkg/tcpip.LingerOption"
+}
+
+func (x *LingerOption) StateFields() []string {
+ return []string{
+ "Enabled",
+ "Timeout",
+ }
+}
+
+func (x *LingerOption) beforeSave() {}
+
+func (x *LingerOption) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.Enabled)
+ m.Save(1, &x.Timeout)
+}
+
+func (x *LingerOption) afterLoad() {}
+
+func (x *LingerOption) StateLoad(m state.Source) {
+ m.Load(0, &x.Enabled)
+ m.Load(1, &x.Timeout)
+}
+
func (x *IPPacketInfo) StateTypeName() string {
return "pkg/tcpip.IPPacketInfo"
}
@@ -144,5 +170,6 @@ func init() {
state.Register((*FullAddress)(nil))
state.Register((*ControlMessages)(nil))
state.Register((*LinkPacketInfo)(nil))
+ state.Register((*LingerOption)(nil))
state.Register((*IPPacketInfo)(nil))
}
diff --git a/pkg/tcpip/transport/tcp/endpoint.go b/pkg/tcpip/transport/tcp/endpoint.go
index 6d5046a3d..faea7f2bb 100644
--- a/pkg/tcpip/transport/tcp/endpoint.go
+++ b/pkg/tcpip/transport/tcp/endpoint.go
@@ -654,6 +654,9 @@ type endpoint struct {
// owner is used to get uid and gid of the packet.
owner tcpip.PacketOwner
+
+ // linger is used for SO_LINGER socket option.
+ linger tcpip.LingerOption
}
// UniqueID implements stack.TransportEndpoint.UniqueID.
@@ -1007,6 +1010,26 @@ func (e *endpoint) Close() {
return
}
+ if e.linger.Enabled && e.linger.Timeout == 0 {
+ s := e.EndpointState()
+ isResetState := s == StateEstablished || s == StateCloseWait || s == StateFinWait1 || s == StateFinWait2 || s == StateSynRecv
+ if isResetState {
+ // Close the endpoint without doing full shutdown and
+ // send a RST.
+ e.resetConnectionLocked(tcpip.ErrConnectionAborted)
+ e.closeNoShutdownLocked()
+
+ // Wake up worker to close the endpoint.
+ switch s {
+ case StateSynRecv:
+ e.notifyProtocolGoroutine(notifyClose)
+ default:
+ e.notifyProtocolGoroutine(notifyTickleWorker)
+ }
+ return
+ }
+ }
+
// Issue a shutdown so that the peer knows we won't send any more data
// if we're connected, or stop accepting if we're listening.
e.shutdownLocked(tcpip.ShutdownWrite | tcpip.ShutdownRead)
@@ -1807,6 +1830,11 @@ func (e *endpoint) SetSockOpt(opt tcpip.SettableSocketOption) *tcpip.Error {
case *tcpip.SocketDetachFilterOption:
return nil
+ case *tcpip.LingerOption:
+ e.LockUser()
+ e.linger = *v
+ e.UnlockUser()
+
default:
return nil
}
@@ -2031,6 +2059,11 @@ func (e *endpoint) GetSockOpt(opt tcpip.GettableSocketOption) *tcpip.Error {
Port: port,
}
+ case *tcpip.LingerOption:
+ e.LockUser()
+ *o = e.linger
+ e.UnlockUser()
+
default:
return tcpip.ErrUnknownProtocolOption
}
diff --git a/pkg/tcpip/transport/tcp/tcp_state_autogen.go b/pkg/tcpip/transport/tcp/tcp_state_autogen.go
index bed45e9a1..77e0d0e97 100644
--- a/pkg/tcpip/transport/tcp/tcp_state_autogen.go
+++ b/pkg/tcpip/transport/tcp/tcp_state_autogen.go
@@ -222,6 +222,7 @@ func (x *endpoint) StateFields() []string {
"closed",
"txHash",
"owner",
+ "linger",
}
}
@@ -293,6 +294,7 @@ func (x *endpoint) StateSave(m state.Sink) {
m.Save(59, &x.closed)
m.Save(60, &x.txHash)
m.Save(61, &x.owner)
+ m.Save(62, &x.linger)
}
func (x *endpoint) StateLoad(m state.Source) {
@@ -354,6 +356,7 @@ func (x *endpoint) StateLoad(m state.Source) {
m.Load(59, &x.closed)
m.Load(60, &x.txHash)
m.Load(61, &x.owner)
+ m.Load(62, &x.linger)
m.LoadValue(3, new(string), func(y interface{}) { x.loadLastError(y.(string)) })
m.LoadValue(10, new(EndpointState), func(y interface{}) { x.loadState(y.(EndpointState)) })
m.LoadValue(25, new(unixTime), func(y interface{}) { x.loadRecentTSTime(y.(unixTime)) })