diff options
Diffstat (limited to 'pkg')
-rw-r--r-- | pkg/abi/linux/linux_abi_autogen_unsafe.go | 20 | ||||
-rw-r--r-- | pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go | 4 | ||||
-rw-r--r-- | pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go | 2 | ||||
-rw-r--r-- | pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go | 6 | ||||
-rw-r--r-- | pkg/sentry/platform/ring0/defs_impl_arm64.go | 3 | ||||
-rw-r--r-- | pkg/sentry/time/seqatomic_parameters_unsafe.go | 6 | ||||
-rw-r--r-- | pkg/tcpip/stack/route.go | 23 | ||||
-rw-r--r-- | pkg/tcpip/stack/stack.go | 4 |
8 files changed, 32 insertions, 36 deletions
diff --git a/pkg/abi/linux/linux_abi_autogen_unsafe.go b/pkg/abi/linux/linux_abi_autogen_unsafe.go index 8b78284df..20b802397 100644 --- a/pkg/abi/linux/linux_abi_autogen_unsafe.go +++ b/pkg/abi/linux/linux_abi_autogen_unsafe.go @@ -155,7 +155,7 @@ func (s *Statx) UnmarshalBytes(src []byte) { // Packed implements marshal.Marshallable.Packed. //go:nosplit func (s *Statx) Packed() bool { - return s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() + return s.Mtime.Packed() && s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. @@ -170,7 +170,7 @@ func (s *Statx) MarshalUnsafe(dst []byte) { // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. func (s *Statx) UnmarshalUnsafe(src []byte) { - 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() { safecopy.CopyOut(unsafe.Pointer(s), src) } else { // Type Statx doesn't have a packed layout in memory, fallback to UnmarshalBytes. @@ -211,7 +211,7 @@ 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.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 UnmarshalBytes. buf := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay. length, err := task.CopyInBytes(addr, buf) // escapes: okay. @@ -2023,7 +2023,7 @@ func (i *IPTEntry) UnmarshalBytes(src []byte) { // Packed implements marshal.Marshallable.Packed. //go:nosplit func (i *IPTEntry) Packed() bool { - return i.IP.Packed() && i.Counters.Packed() + return i.Counters.Packed() && i.IP.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. @@ -2038,7 +2038,7 @@ func (i *IPTEntry) MarshalUnsafe(dst []byte) { // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. func (i *IPTEntry) UnmarshalUnsafe(src []byte) { - if i.Counters.Packed() && i.IP.Packed() { + if i.IP.Packed() && i.Counters.Packed() { safecopy.CopyOut(unsafe.Pointer(i), src) } else { // Type IPTEntry doesn't have a packed layout in memory, fallback to UnmarshalBytes. @@ -2211,7 +2211,7 @@ 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.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.Dst.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. @@ -3002,7 +3002,7 @@ func (i *IP6TEntry) UnmarshalBytes(src []byte) { // Packed implements marshal.Marshallable.Packed. //go:nosplit func (i *IP6TEntry) Packed() bool { - return i.IPv6.Packed() && i.Counters.Packed() + return i.Counters.Packed() && i.IPv6.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. @@ -3199,7 +3199,7 @@ func (i *IP6TIP) UnmarshalBytes(src []byte) { // Packed implements marshal.Marshallable.Packed. //go:nosplit func (i *IP6TIP) Packed() bool { - return i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed() + return i.Src.Packed() && i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. @@ -3214,7 +3214,7 @@ func (i *IP6TIP) MarshalUnsafe(dst []byte) { // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. func (i *IP6TIP) UnmarshalUnsafe(src []byte) { - if i.Dst.Packed() && i.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed() { + if i.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.Dst.Packed() { safecopy.CopyOut(unsafe.Pointer(i), src) } else { // Type IP6TIP doesn't have a packed layout in memory, fallback to UnmarshalBytes. @@ -3255,7 +3255,7 @@ func (i *IP6TIP) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) { // CopyIn implements marshal.Marshallable.CopyIn. //go:nosplit func (i *IP6TIP) CopyIn(task marshal.Task, addr usermem.Addr) (int, 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 IP6TIP doesn't have a packed layout in memory, fall back to UnmarshalBytes. buf := task.CopyScratchBuffer(i.SizeBytes()) // escapes: okay. length, err := task.CopyInBytes(addr, buf) // escapes: okay. diff --git a/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go b/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go index e5c36bf31..512bf9f47 100644 --- a/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go +++ b/pkg/abi/linux/linux_amd64_abi_autogen_unsafe.go @@ -288,7 +288,7 @@ func (s *Stat) UnmarshalBytes(src []byte) { // Packed implements marshal.Marshallable.Packed. //go:nosplit func (s *Stat) Packed() bool { - return s.MTime.Packed() && s.CTime.Packed() && s.ATime.Packed() + return s.ATime.Packed() && s.MTime.Packed() && s.CTime.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. @@ -344,7 +344,7 @@ func (s *Stat) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) { // CopyIn implements marshal.Marshallable.CopyIn. //go:nosplit func (s *Stat) CopyIn(task marshal.Task, addr usermem.Addr) (int, 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 UnmarshalBytes. buf := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay. length, err := task.CopyInBytes(addr, buf) // escapes: okay. diff --git a/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go b/pkg/abi/linux/linux_arm64_abi_autogen_unsafe.go index 46aaefa30..30e7752e9 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. diff --git a/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go b/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go index a0f2fe45c..90148bbb2 100644 --- a/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go +++ b/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go @@ -1,12 +1,12 @@ package kernel import ( - "unsafe" - "fmt" - "gvisor.dev/gvisor/pkg/sync" "reflect" "strings" + "unsafe" + + "gvisor.dev/gvisor/pkg/sync" ) // SeqAtomicLoad returns a copy of *ptr, ensuring that the read does not race diff --git a/pkg/sentry/platform/ring0/defs_impl_arm64.go b/pkg/sentry/platform/ring0/defs_impl_arm64.go index eda1e1484..9fb351879 100644 --- a/pkg/sentry/platform/ring0/defs_impl_arm64.go +++ b/pkg/sentry/platform/ring0/defs_impl_arm64.go @@ -4,10 +4,9 @@ import ( "fmt" "gvisor.dev/gvisor/pkg/sentry/arch" "gvisor.dev/gvisor/pkg/sentry/platform/ring0/pagetables" + "gvisor.dev/gvisor/pkg/usermem" "io" "reflect" - - "gvisor.dev/gvisor/pkg/usermem" ) // Useful bits. diff --git a/pkg/sentry/time/seqatomic_parameters_unsafe.go b/pkg/sentry/time/seqatomic_parameters_unsafe.go index f18440378..2cb001080 100644 --- a/pkg/sentry/time/seqatomic_parameters_unsafe.go +++ b/pkg/sentry/time/seqatomic_parameters_unsafe.go @@ -1,12 +1,12 @@ package time import ( - "unsafe" - "fmt" - "gvisor.dev/gvisor/pkg/sync" "reflect" "strings" + "unsafe" + + "gvisor.dev/gvisor/pkg/sync" ) // SeqAtomicLoad returns a copy of *ptr, ensuring that the read does not race diff --git a/pkg/tcpip/stack/route.go b/pkg/tcpip/stack/route.go index c2eabde9e..2cbbf0de8 100644 --- a/pkg/tcpip/stack/route.go +++ b/pkg/tcpip/stack/route.go @@ -48,10 +48,6 @@ type Route struct { // Loop controls where WritePacket should send packets. Loop PacketLooping - - // directedBroadcast indicates whether this route is sending a directed - // broadcast packet. - directedBroadcast bool } // makeRoute initializes a new route. It takes ownership of the provided @@ -303,24 +299,27 @@ func (r *Route) Stack() *Stack { return r.ref.stack() } +func (r *Route) isV4Broadcast(addr tcpip.Address) bool { + if addr == header.IPv4Broadcast { + return true + } + + subnet := r.ref.addrWithPrefix().Subnet() + return subnet.IsBroadcast(addr) +} + // IsOutboundBroadcast returns true if the route is for an outbound broadcast // packet. func (r *Route) IsOutboundBroadcast() bool { // Only IPv4 has a notion of broadcast. - return r.directedBroadcast || r.RemoteAddress == header.IPv4Broadcast + return r.isV4Broadcast(r.RemoteAddress) } // IsInboundBroadcast returns true if the route is for an inbound broadcast // packet. func (r *Route) IsInboundBroadcast() bool { // Only IPv4 has a notion of broadcast. - if r.LocalAddress == header.IPv4Broadcast { - return true - } - - addr := r.ref.addrWithPrefix() - subnet := addr.Subnet() - return subnet.IsBroadcast(r.LocalAddress) + return r.isV4Broadcast(r.LocalAddress) } // ReverseRoute returns new route with given source and destination address. diff --git a/pkg/tcpip/stack/stack.go b/pkg/tcpip/stack/stack.go index def8b0b43..6a683545d 100644 --- a/pkg/tcpip/stack/stack.go +++ b/pkg/tcpip/stack/stack.go @@ -1311,13 +1311,11 @@ func (s *Stack) FindRoute(id tcpip.NICID, localAddr, remoteAddr tcpip.Address, n } r := makeRoute(netProto, ref.address(), remoteAddr, nic.linkEP.LinkAddress(), ref, s.handleLocal && !nic.isLoopback(), multicastLoop && !nic.isLoopback()) - r.directedBroadcast = route.Destination.IsBroadcast(remoteAddr) - if len(route.Gateway) > 0 { if needRoute { r.NextHop = route.Gateway } - } else if r.directedBroadcast { + } else if subnet := ref.addrWithPrefix().Subnet(); subnet.IsBroadcast(remoteAddr) { r.RemoteLinkAddress = header.EthernetBroadcastAddress } |