diff options
Diffstat (limited to 'pkg')
-rw-r--r-- | pkg/abi/linux/linux_abi_autogen_unsafe.go | 16 | ||||
-rw-r--r-- | pkg/sentry/fsimpl/host/host.go | 19 | ||||
-rw-r--r-- | pkg/sentry/fsimpl/kernfs/inode_impl_util.go | 19 | ||||
-rw-r--r-- | pkg/sentry/fsimpl/kernfs/kernfs.go | 4 | ||||
-rw-r--r-- | pkg/sentry/fsimpl/tmpfs/inode_refs.go | 2 | ||||
-rw-r--r-- | pkg/sentry/platform/ring0/defs_impl_arm64.go | 6 | ||||
-rw-r--r-- | pkg/sentry/socket/unix/socket_refs.go | 2 |
7 files changed, 27 insertions, 41 deletions
diff --git a/pkg/abi/linux/linux_abi_autogen_unsafe.go b/pkg/abi/linux/linux_abi_autogen_unsafe.go index 223a6064a..3b3bb8c7b 100644 --- a/pkg/abi/linux/linux_abi_autogen_unsafe.go +++ b/pkg/abi/linux/linux_abi_autogen_unsafe.go @@ -152,7 +152,7 @@ func (s *Statx) UnmarshalBytes(src []byte) { // Packed implements marshal.Marshallable.Packed. //go:nosplit func (s *Statx) Packed() bool { - return s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() && s.Atime.Packed() + return s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. @@ -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.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. @@ -234,7 +234,7 @@ func (s *Statx) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) { // WriteTo implements io.WriterTo.WriteTo. func (s *Statx) WriteTo(w 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) @@ -653,7 +653,7 @@ func (f *FUSEHeaderIn) UnmarshalUnsafe(src []byte) { // CopyOutN implements marshal.Marshallable.CopyOutN. //go:nosplit func (f *FUSEHeaderIn) CopyOutN(task marshal.Task, addr usermem.Addr, limit int) (int, error) { - if !f.Unique.Packed() && f.Opcode.Packed() { + if !f.Opcode.Packed() && f.Unique.Packed() { // Type FUSEHeaderIn doesn't have a packed layout in memory, fall back to MarshalBytes. buf := task.CopyScratchBuffer(f.SizeBytes()) // escapes: okay. f.MarshalBytes(buf) // escapes: fallback. @@ -2020,7 +2020,7 @@ func (i *IPTEntry) UnmarshalBytes(src []byte) { // Packed implements marshal.Marshallable.Packed. //go:nosplit func (i *IPTEntry) Packed() bool { - return i.Counters.Packed() && i.IP.Packed() + return i.IP.Packed() && i.Counters.Packed() } // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. @@ -2264,7 +2264,7 @@ func (i *IPTIP) CopyOut(task marshal.Task, addr usermem.Addr) (int, error) { // CopyIn implements marshal.Marshallable.CopyIn. //go:nosplit func (i *IPTIP) 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 IPTIP 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. @@ -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.SrcMask.Packed() && i.DstMask.Packed() && i.Src.Packed() && i.Dst.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. diff --git a/pkg/sentry/fsimpl/host/host.go b/pkg/sentry/fsimpl/host/host.go index bd6caba06..56869f59a 100644 --- a/pkg/sentry/fsimpl/host/host.go +++ b/pkg/sentry/fsimpl/host/host.go @@ -432,17 +432,14 @@ func (i *inode) SetStat(ctx context.Context, fs *vfs.Filesystem, creds *auth.Cre // DecRef implements kernfs.Inode. func (i *inode) DecRef(ctx context.Context) { - i.AtomicRefCount.DecRefWithDestructor(ctx, i.Destroy) -} - -// Destroy implements kernfs.Inode. -func (i *inode) Destroy(context.Context) { - if i.wouldBlock { - fdnotifier.RemoveFD(int32(i.hostFD)) - } - if err := unix.Close(i.hostFD); err != nil { - log.Warningf("failed to close host fd %d: %v", i.hostFD, err) - } + i.AtomicRefCount.DecRefWithDestructor(ctx, func(context.Context) { + if i.wouldBlock { + fdnotifier.RemoveFD(int32(i.hostFD)) + } + if err := unix.Close(i.hostFD); err != nil { + log.Warningf("failed to close host fd %d: %v", i.hostFD, err) + } + }) } // Open implements kernfs.Inode. diff --git a/pkg/sentry/fsimpl/kernfs/inode_impl_util.go b/pkg/sentry/fsimpl/kernfs/inode_impl_util.go index c3efcf3ec..fe8a1e710 100644 --- a/pkg/sentry/fsimpl/kernfs/inode_impl_util.go +++ b/pkg/sentry/fsimpl/kernfs/inode_impl_util.go @@ -48,10 +48,6 @@ func (InodeNoopRefCount) TryIncRef() bool { return true } -// Destroy implements Inode.Destroy. -func (InodeNoopRefCount) Destroy(context.Context) { -} - // InodeDirectoryNoNewChildren partially implements the Inode interface. // InodeDirectoryNoNewChildren represents a directory inode which does not // support creation of new children. @@ -367,15 +363,12 @@ func (o *OrderedChildren) Init(opts OrderedChildrenOptions) { // DecRef implements Inode.DecRef. func (o *OrderedChildren) DecRef(ctx context.Context) { - o.AtomicRefCount.DecRefWithDestructor(ctx, o.Destroy) -} - -// Destroy cleans up resources referenced by this OrderedChildren. -func (o *OrderedChildren) Destroy(context.Context) { - o.mu.Lock() - defer o.mu.Unlock() - o.order.Reset() - o.set = nil + o.AtomicRefCount.DecRefWithDestructor(ctx, func(context.Context) { + o.mu.Lock() + defer o.mu.Unlock() + o.order.Reset() + o.set = nil + }) } // Populate inserts children into this OrderedChildren, and d's dentry diff --git a/pkg/sentry/fsimpl/kernfs/kernfs.go b/pkg/sentry/fsimpl/kernfs/kernfs.go index 080118841..51dbc050c 100644 --- a/pkg/sentry/fsimpl/kernfs/kernfs.go +++ b/pkg/sentry/fsimpl/kernfs/kernfs.go @@ -328,10 +328,6 @@ type inodeRefs interface { IncRef() DecRef(ctx context.Context) TryIncRef() bool - // Destroy is called when the inode reaches zero references. Destroy release - // all resources (references) on objects referenced by the inode, including - // any child dentries. - Destroy(ctx context.Context) } type inodeMetadata interface { diff --git a/pkg/sentry/fsimpl/tmpfs/inode_refs.go b/pkg/sentry/fsimpl/tmpfs/inode_refs.go index 8b7ff185f..3245ede1f 100644 --- a/pkg/sentry/fsimpl/tmpfs/inode_refs.go +++ b/pkg/sentry/fsimpl/tmpfs/inode_refs.go @@ -1,11 +1,11 @@ package tmpfs import ( - "runtime" "sync/atomic" "gvisor.dev/gvisor/pkg/log" refs_vfs1 "gvisor.dev/gvisor/pkg/refs" + "runtime" ) // 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 eda1e1484..424b66f76 100644 --- a/pkg/sentry/platform/ring0/defs_impl_arm64.go +++ b/pkg/sentry/platform/ring0/defs_impl_arm64.go @@ -1,13 +1,13 @@ package ring0 import ( - "fmt" "gvisor.dev/gvisor/pkg/sentry/arch" "gvisor.dev/gvisor/pkg/sentry/platform/ring0/pagetables" - "io" - "reflect" + "fmt" "gvisor.dev/gvisor/pkg/usermem" + "io" + "reflect" ) // Useful bits. diff --git a/pkg/sentry/socket/unix/socket_refs.go b/pkg/sentry/socket/unix/socket_refs.go index 4c6ec186b..6ed7b1151 100644 --- a/pkg/sentry/socket/unix/socket_refs.go +++ b/pkg/sentry/socket/unix/socket_refs.go @@ -1,11 +1,11 @@ package unix import ( - "runtime" "sync/atomic" "gvisor.dev/gvisor/pkg/log" refs_vfs1 "gvisor.dev/gvisor/pkg/refs" + "runtime" ) // ownerType is used to customize logging. Note that we use a pointer to T so |