gvisor-lx/pkg/tcpip/link/fdbased/fdbased_state_autogen.go
Leadaxe 117243aa02 snapshot: sagernet/gvisor v0.0.0-20260727.0-sing-box-mod.1 + SPEC 048 guard
Обновление снапшота с v0.0.0-20250811.0 на пин, которого требует
sing-box после мержа 235 коммитов (upstream d620bbbf2 "Update gvisor to
20260727.0"). Прежний снапшот был взят 2026-08-04 ровно с той версии,
на которой тогда стоял апстрим; разрыв возник 2026-08-05 вместе с его
бампом.

За год апстрим-gvisor изменил ~14 000 строк в 292 файлах. Значимое для
нас — сетевой стек: tcp/connect.go (PMTU-discovery + исправление
начального RTT/RTO: раньше задержка ACK внутри стека завышала стартовый
таймаут на несколько RTT), tcp/snd.go, tcp/rcv.go, stack/conntrack.go,
stack/packet_buffer.go. Всего 30 файлов в TCP и 37 в stack.

Баг SPEC 048 апстрим НЕ исправил — проверено по коду новой версии:
handleConnecting по-прежнему проверяет состояние endpoint'а, но не ep.h,
а performHandshake так же зануляет h и отпускает мьютекс до Close().
Поэтому guard перенесён (12 строк) вместе со своим тестом (45 строк).

Red/green проверен на новой базе: без guard'а тест падает с той же
nil-паникой, что в полевом крашдампе; с ним зелёный.
2026-08-05 14:53:31 +03:00

441 lines
11 KiB
Go

// automatically generated by stateify.
//go:build linux && ((linux && amd64) || (linux && arm64)) && linux && linux
// +build linux
// +build linux,amd64 linux,arm64
// +build linux
// +build linux
package fdbased
import (
"context"
"github.com/sagernet/gvisor/pkg/state"
)
func (f *fdInfo) StateTypeName() string {
return "pkg/tcpip/link/fdbased.fdInfo"
}
func (f *fdInfo) StateFields() []string {
return []string{
"fd",
"isSocket",
}
}
func (f *fdInfo) beforeSave() {}
// +checklocksignore
func (f *fdInfo) StateSave(stateSinkObject state.Sink) {
f.beforeSave()
stateSinkObject.Save(0, &f.fd)
stateSinkObject.Save(1, &f.isSocket)
}
func (f *fdInfo) afterLoad(context.Context) {}
// +checklocksignore
func (f *fdInfo) StateLoad(ctx context.Context, stateSourceObject state.Source) {
stateSourceObject.Load(0, &f.fd)
stateSourceObject.Load(1, &f.isSocket)
}
func (e *endpoint) StateTypeName() string {
return "pkg/tcpip/link/fdbased.endpoint"
}
func (e *endpoint) StateFields() []string {
return []string{
"fds",
"hdrSize",
"caps",
"inboundDispatchers",
"dispatcher",
"packetDispatchMode",
"gsoMaxSize",
"gsoKind",
"maxSyscallHeaderBytes",
"writevMaxIovs",
"addr",
"mtu",
}
}
func (e *endpoint) beforeSave() {}
// +checklocksignore
func (e *endpoint) StateSave(stateSinkObject state.Sink) {
e.beforeSave()
stateSinkObject.Save(0, &e.fds)
stateSinkObject.Save(1, &e.hdrSize)
stateSinkObject.Save(2, &e.caps)
stateSinkObject.Save(3, &e.inboundDispatchers)
stateSinkObject.Save(4, &e.dispatcher)
stateSinkObject.Save(5, &e.packetDispatchMode)
stateSinkObject.Save(6, &e.gsoMaxSize)
stateSinkObject.Save(7, &e.gsoKind)
stateSinkObject.Save(8, &e.maxSyscallHeaderBytes)
stateSinkObject.Save(9, &e.writevMaxIovs)
stateSinkObject.Save(10, &e.addr)
stateSinkObject.Save(11, &e.mtu)
}
func (e *endpoint) afterLoad(context.Context) {}
// +checklocksignore
func (e *endpoint) StateLoad(ctx context.Context, stateSourceObject state.Source) {
stateSourceObject.Load(0, &e.fds)
stateSourceObject.Load(1, &e.hdrSize)
stateSourceObject.Load(2, &e.caps)
stateSourceObject.Load(3, &e.inboundDispatchers)
stateSourceObject.Load(4, &e.dispatcher)
stateSourceObject.Load(5, &e.packetDispatchMode)
stateSourceObject.Load(6, &e.gsoMaxSize)
stateSourceObject.Load(7, &e.gsoKind)
stateSourceObject.Load(8, &e.maxSyscallHeaderBytes)
stateSourceObject.Load(9, &e.writevMaxIovs)
stateSourceObject.Load(10, &e.addr)
stateSourceObject.Load(11, &e.mtu)
}
func (o *Options) StateTypeName() string {
return "pkg/tcpip/link/fdbased.Options"
}
func (o *Options) StateFields() []string {
return []string{
"FDs",
"MTU",
"EthernetHeader",
"ClosedFunc",
"Address",
"SaveRestore",
"GSOMaxSize",
"GVisorGSOEnabled",
"PacketDispatchMode",
"TXChecksumOffload",
"RXChecksumOffload",
"MaxSyscallHeaderBytes",
"InterfaceIndex",
"GRO",
"ProcessorsPerChannel",
"IsPacketSocket",
"PreConfigured",
}
}
func (o *Options) beforeSave() {}
// +checklocksignore
func (o *Options) StateSave(stateSinkObject state.Sink) {
o.beforeSave()
stateSinkObject.Save(0, &o.FDs)
stateSinkObject.Save(1, &o.MTU)
stateSinkObject.Save(2, &o.EthernetHeader)
stateSinkObject.Save(3, &o.ClosedFunc)
stateSinkObject.Save(4, &o.Address)
stateSinkObject.Save(5, &o.SaveRestore)
stateSinkObject.Save(6, &o.GSOMaxSize)
stateSinkObject.Save(7, &o.GVisorGSOEnabled)
stateSinkObject.Save(8, &o.PacketDispatchMode)
stateSinkObject.Save(9, &o.TXChecksumOffload)
stateSinkObject.Save(10, &o.RXChecksumOffload)
stateSinkObject.Save(11, &o.MaxSyscallHeaderBytes)
stateSinkObject.Save(12, &o.InterfaceIndex)
stateSinkObject.Save(13, &o.GRO)
stateSinkObject.Save(14, &o.ProcessorsPerChannel)
stateSinkObject.Save(15, &o.IsPacketSocket)
stateSinkObject.Save(16, &o.PreConfigured)
}
func (o *Options) afterLoad(context.Context) {}
// +checklocksignore
func (o *Options) StateLoad(ctx context.Context, stateSourceObject state.Source) {
stateSourceObject.Load(0, &o.FDs)
stateSourceObject.Load(1, &o.MTU)
stateSourceObject.Load(2, &o.EthernetHeader)
stateSourceObject.Load(3, &o.ClosedFunc)
stateSourceObject.Load(4, &o.Address)
stateSourceObject.Load(5, &o.SaveRestore)
stateSourceObject.Load(6, &o.GSOMaxSize)
stateSourceObject.Load(7, &o.GVisorGSOEnabled)
stateSourceObject.Load(8, &o.PacketDispatchMode)
stateSourceObject.Load(9, &o.TXChecksumOffload)
stateSourceObject.Load(10, &o.RXChecksumOffload)
stateSourceObject.Load(11, &o.MaxSyscallHeaderBytes)
stateSourceObject.Load(12, &o.InterfaceIndex)
stateSourceObject.Load(13, &o.GRO)
stateSourceObject.Load(14, &o.ProcessorsPerChannel)
stateSourceObject.Load(15, &o.IsPacketSocket)
stateSourceObject.Load(16, &o.PreConfigured)
}
func (e *InjectableEndpoint) StateTypeName() string {
return "pkg/tcpip/link/fdbased.InjectableEndpoint"
}
func (e *InjectableEndpoint) StateFields() []string {
return []string{
"endpoint",
"dispatcher",
}
}
func (e *InjectableEndpoint) beforeSave() {}
// +checklocksignore
func (e *InjectableEndpoint) StateSave(stateSinkObject state.Sink) {
e.beforeSave()
stateSinkObject.Save(0, &e.endpoint)
stateSinkObject.Save(1, &e.dispatcher)
}
func (e *InjectableEndpoint) afterLoad(context.Context) {}
// +checklocksignore
func (e *InjectableEndpoint) StateLoad(ctx context.Context, stateSourceObject state.Source) {
stateSourceObject.Load(0, &e.endpoint)
stateSourceObject.Load(1, &e.dispatcher)
}
func (d *packetMMapDispatcher) StateTypeName() string {
return "pkg/tcpip/link/fdbased.packetMMapDispatcher"
}
func (d *packetMMapDispatcher) StateFields() []string {
return []string{
"StopFD",
"fd",
"e",
"ringBuffer",
"ringOffset",
"mgr",
}
}
func (d *packetMMapDispatcher) beforeSave() {}
// +checklocksignore
func (d *packetMMapDispatcher) StateSave(stateSinkObject state.Sink) {
d.beforeSave()
stateSinkObject.Save(0, &d.StopFD)
stateSinkObject.Save(1, &d.fd)
stateSinkObject.Save(2, &d.e)
stateSinkObject.Save(3, &d.ringBuffer)
stateSinkObject.Save(4, &d.ringOffset)
stateSinkObject.Save(5, &d.mgr)
}
func (d *packetMMapDispatcher) afterLoad(context.Context) {}
// +checklocksignore
func (d *packetMMapDispatcher) StateLoad(ctx context.Context, stateSourceObject state.Source) {
stateSourceObject.Load(0, &d.StopFD)
stateSourceObject.Load(1, &d.fd)
stateSourceObject.Load(2, &d.e)
stateSourceObject.Load(3, &d.ringBuffer)
stateSourceObject.Load(4, &d.ringOffset)
stateSourceObject.Load(5, &d.mgr)
}
func (b *iovecBuffer) StateTypeName() string {
return "pkg/tcpip/link/fdbased.iovecBuffer"
}
func (b *iovecBuffer) StateFields() []string {
return []string{
"views",
"sizes",
"skipsVnetHdr",
"pulledIndex",
}
}
func (b *iovecBuffer) beforeSave() {}
// +checklocksignore
func (b *iovecBuffer) StateSave(stateSinkObject state.Sink) {
b.beforeSave()
stateSinkObject.Save(0, &b.views)
stateSinkObject.Save(1, &b.sizes)
stateSinkObject.Save(2, &b.skipsVnetHdr)
stateSinkObject.Save(3, &b.pulledIndex)
}
func (b *iovecBuffer) afterLoad(context.Context) {}
// +checklocksignore
func (b *iovecBuffer) StateLoad(ctx context.Context, stateSourceObject state.Source) {
stateSourceObject.Load(0, &b.views)
stateSourceObject.Load(1, &b.sizes)
stateSourceObject.Load(2, &b.skipsVnetHdr)
stateSourceObject.Load(3, &b.pulledIndex)
}
func (d *readVDispatcher) StateTypeName() string {
return "pkg/tcpip/link/fdbased.readVDispatcher"
}
func (d *readVDispatcher) StateFields() []string {
return []string{
"StopFD",
"fd",
"e",
"buf",
"mgr",
}
}
func (d *readVDispatcher) beforeSave() {}
// +checklocksignore
func (d *readVDispatcher) StateSave(stateSinkObject state.Sink) {
d.beforeSave()
stateSinkObject.Save(0, &d.StopFD)
stateSinkObject.Save(1, &d.fd)
stateSinkObject.Save(2, &d.e)
stateSinkObject.Save(3, &d.buf)
stateSinkObject.Save(4, &d.mgr)
}
func (d *readVDispatcher) afterLoad(context.Context) {}
// +checklocksignore
func (d *readVDispatcher) StateLoad(ctx context.Context, stateSourceObject state.Source) {
stateSourceObject.Load(0, &d.StopFD)
stateSourceObject.Load(1, &d.fd)
stateSourceObject.Load(2, &d.e)
stateSourceObject.Load(3, &d.buf)
stateSourceObject.Load(4, &d.mgr)
}
func (r *recvMMsgDispatcher) StateTypeName() string {
return "pkg/tcpip/link/fdbased.recvMMsgDispatcher"
}
func (r *recvMMsgDispatcher) StateFields() []string {
return []string{
"StopFD",
"fd",
"e",
"bufs",
"pkts",
"gro",
"mgr",
}
}
func (r *recvMMsgDispatcher) beforeSave() {}
// +checklocksignore
func (r *recvMMsgDispatcher) StateSave(stateSinkObject state.Sink) {
r.beforeSave()
stateSinkObject.Save(0, &r.StopFD)
stateSinkObject.Save(1, &r.fd)
stateSinkObject.Save(2, &r.e)
stateSinkObject.Save(3, &r.bufs)
stateSinkObject.Save(4, &r.pkts)
stateSinkObject.Save(5, &r.gro)
stateSinkObject.Save(6, &r.mgr)
}
// +checklocksignore
func (r *recvMMsgDispatcher) StateLoad(ctx context.Context, stateSourceObject state.Source) {
stateSourceObject.Load(0, &r.StopFD)
stateSourceObject.Load(1, &r.fd)
stateSourceObject.Load(2, &r.e)
stateSourceObject.Load(3, &r.bufs)
stateSourceObject.Load(4, &r.pkts)
stateSourceObject.Load(5, &r.gro)
stateSourceObject.Load(6, &r.mgr)
stateSourceObject.AfterLoad(func() { r.afterLoad(ctx) })
}
func (p *processor) StateTypeName() string {
return "pkg/tcpip/link/fdbased.processor"
}
func (p *processor) StateFields() []string {
return []string{
"pkts",
"e",
"gro",
"sleeper",
"packetWaker",
"closeWaker",
}
}
func (p *processor) beforeSave() {}
// +checklocksignore
func (p *processor) StateSave(stateSinkObject state.Sink) {
p.beforeSave()
stateSinkObject.Save(0, &p.pkts)
stateSinkObject.Save(1, &p.e)
stateSinkObject.Save(2, &p.gro)
stateSinkObject.Save(3, &p.sleeper)
stateSinkObject.Save(4, &p.packetWaker)
stateSinkObject.Save(5, &p.closeWaker)
}
func (p *processor) afterLoad(context.Context) {}
// +checklocksignore
func (p *processor) StateLoad(ctx context.Context, stateSourceObject state.Source) {
stateSourceObject.Load(0, &p.pkts)
stateSourceObject.Load(1, &p.e)
stateSourceObject.Load(2, &p.gro)
stateSourceObject.Load(3, &p.sleeper)
stateSourceObject.Load(4, &p.packetWaker)
stateSourceObject.Load(5, &p.closeWaker)
}
func (m *processorManager) StateTypeName() string {
return "pkg/tcpip/link/fdbased.processorManager"
}
func (m *processorManager) StateFields() []string {
return []string{
"processors",
"seed",
"e",
"ready",
}
}
func (m *processorManager) beforeSave() {}
// +checklocksignore
func (m *processorManager) StateSave(stateSinkObject state.Sink) {
m.beforeSave()
stateSinkObject.Save(0, &m.processors)
stateSinkObject.Save(1, &m.seed)
stateSinkObject.Save(2, &m.e)
stateSinkObject.Save(3, &m.ready)
}
// +checklocksignore
func (m *processorManager) StateLoad(ctx context.Context, stateSourceObject state.Source) {
stateSourceObject.Load(0, &m.processors)
stateSourceObject.Load(1, &m.seed)
stateSourceObject.Load(2, &m.e)
stateSourceObject.Load(3, &m.ready)
stateSourceObject.AfterLoad(func() { m.afterLoad(ctx) })
}
func init() {
state.Register((*fdInfo)(nil))
state.Register((*endpoint)(nil))
state.Register((*Options)(nil))
state.Register((*InjectableEndpoint)(nil))
state.Register((*packetMMapDispatcher)(nil))
state.Register((*iovecBuffer)(nil))
state.Register((*readVDispatcher)(nil))
state.Register((*recvMMsgDispatcher)(nil))
state.Register((*processor)(nil))
state.Register((*processorManager)(nil))
}