diff options
Diffstat (limited to 'pkg/sentry/fs/proc')
-rw-r--r-- | pkg/sentry/fs/proc/exec_args.go | 19 | ||||
-rw-r--r-- | pkg/sentry/fs/proc/fds.go | 21 | ||||
-rw-r--r-- | pkg/sentry/fs/proc/proc.go | 3 | ||||
-rw-r--r-- | pkg/sentry/fs/proc/rpcinet_proc.go | 17 | ||||
-rw-r--r-- | pkg/sentry/fs/proc/seqfile/seqfile.go | 17 | ||||
-rw-r--r-- | pkg/sentry/fs/proc/sys.go | 19 | ||||
-rw-r--r-- | pkg/sentry/fs/proc/sys_net.go | 34 | ||||
-rw-r--r-- | pkg/sentry/fs/proc/task.go | 41 | ||||
-rw-r--r-- | pkg/sentry/fs/proc/uid_gid_map.go | 17 | ||||
-rw-r--r-- | pkg/sentry/fs/proc/uptime.go | 19 |
10 files changed, 110 insertions, 97 deletions
diff --git a/pkg/sentry/fs/proc/exec_args.go b/pkg/sentry/fs/proc/exec_args.go index 9daad5d2b..fc21dfbbd 100644 --- a/pkg/sentry/fs/proc/exec_args.go +++ b/pkg/sentry/fs/proc/exec_args.go @@ -77,15 +77,16 @@ func (i *execArgInode) GetFile(ctx context.Context, dirent *fs.Dirent, flags fs. // +stateify savable type execArgFile struct { - waiter.AlwaysReady `state:"nosave"` - fsutil.FileGenericSeek `state:"nosave"` - fsutil.FileNoIoctl `state:"nosave"` - fsutil.FileNoMMap `state:"nosave"` - fsutil.FileNotDirReaddir `state:"nosave"` - fsutil.FileNoopRelease `state:"nosave"` - fsutil.FileNoopFlush `state:"nosave"` - fsutil.FileNoopFsync `state:"nosave"` - fsutil.FileNoopWrite `state:"nosave"` + waiter.AlwaysReady `state:"nosave"` + fsutil.FileGenericSeek `state:"nosave"` + fsutil.FileNoIoctl `state:"nosave"` + fsutil.FileNoMMap `state:"nosave"` + fsutil.FileNotDirReaddir `state:"nosave"` + fsutil.FileNoopRelease `state:"nosave"` + fsutil.FileNoopFlush `state:"nosave"` + fsutil.FileNoopFsync `state:"nosave"` + fsutil.FileNoopWrite `state:"nosave"` + fsutil.FileUseInodeUnstableAttr `state:"nosave"` // arg is the type of exec argument this file contains. arg execArgType diff --git a/pkg/sentry/fs/proc/fds.go b/pkg/sentry/fs/proc/fds.go index 3c471bad9..939ebaba1 100644 --- a/pkg/sentry/fs/proc/fds.go +++ b/pkg/sentry/fs/proc/fds.go @@ -91,7 +91,7 @@ func readDescriptors(t *kernel.Task, c *fs.DirCtx, offset int64, toDentAttr func // fd implements fs.InodeOperations for a file in /proc/TID/fd/. type fd struct { ramfs.Symlink - *fs.File + file *fs.File } var _ fs.InodeOperations = (*fd)(nil) @@ -103,7 +103,7 @@ func newFd(t *kernel.Task, f *fs.File, msrc *fs.MountSource) *fs.Inode { fd := &fd{ // RootOwner overridden by taskOwnedInodeOps.UnstableAttrs(). Symlink: *ramfs.NewSymlink(t, fs.RootOwner, ""), - File: f, + file: f, } return newProcInode(fd, msrc, fs.Symlink, t) } @@ -112,8 +112,8 @@ func newFd(t *kernel.Task, f *fs.File, msrc *fs.MountSource) *fs.Inode { // arguments are ignored. func (f *fd) GetFile(context.Context, *fs.Dirent, fs.FileFlags) (*fs.File, error) { // Take a reference on the fs.File. - f.File.IncRef() - return f.File, nil + f.file.IncRef() + return f.file, nil } // Readlink returns the current target. @@ -122,14 +122,14 @@ func (f *fd) Readlink(ctx context.Context, _ *fs.Inode) (string, error) { if root != nil { defer root.DecRef() } - n, _ := f.Dirent.FullName(root) + n, _ := f.file.Dirent.FullName(root) return n, nil } // Getlink implements fs.InodeOperations.Getlink. func (f *fd) Getlink(context.Context, *fs.Inode) (*fs.Dirent, error) { - f.Dirent.IncRef() - return f.Dirent, nil + f.file.Dirent.IncRef() + return f.file.Dirent, nil } // Truncate is ignored. @@ -139,12 +139,12 @@ func (f *fd) Truncate(context.Context, *fs.Inode, int64) error { func (f *fd) Release(ctx context.Context) { f.Symlink.Release(ctx) - f.File.DecRef() + f.file.DecRef() } // Close releases the reference on the file. func (f *fd) Close() error { - f.DecRef() + f.file.DecRef() return nil } @@ -212,7 +212,8 @@ func (f *fdDir) GetFile(ctx context.Context, dirent *fs.Dirent, flags fs.FileFla // +stateify savable type fdDirFile struct { - fsutil.DirFileOperations `state:"nosave"` + fsutil.DirFileOperations `state:"nosave"` + fsutil.FileUseInodeUnstableAttr `state:"nosave"` isInfoFile bool diff --git a/pkg/sentry/fs/proc/proc.go b/pkg/sentry/fs/proc/proc.go index c9e659533..64e1e1998 100644 --- a/pkg/sentry/fs/proc/proc.go +++ b/pkg/sentry/fs/proc/proc.go @@ -191,7 +191,8 @@ func (p *proc) GetFile(ctx context.Context, dirent *fs.Dirent, flags fs.FileFlag // // +stateify savable type rootProcFile struct { - fsutil.DirFileOperations `state:"nosave"` + fsutil.DirFileOperations `state:"nosave"` + fsutil.FileUseInodeUnstableAttr `state:"nosave"` iops *proc } diff --git a/pkg/sentry/fs/proc/rpcinet_proc.go b/pkg/sentry/fs/proc/rpcinet_proc.go index 65faa21f2..81f64a28b 100644 --- a/pkg/sentry/fs/proc/rpcinet_proc.go +++ b/pkg/sentry/fs/proc/rpcinet_proc.go @@ -60,14 +60,15 @@ func (i *rpcInetInode) GetFile(ctx context.Context, dirent *fs.Dirent, flags fs. // rpcInetFile implements fs.FileOperations as RPCs. type rpcInetFile struct { - waiter.AlwaysReady `state:"nosave"` - fsutil.FileGenericSeek `state:"nosave"` - fsutil.FileNoIoctl `state:"nosave"` - fsutil.FileNoMMap `state:"nosave"` - fsutil.FileNoopFlush `state:"nosave"` - fsutil.FileNoopFsync `state:"nosave"` - fsutil.FileNoopRelease `state:"nosave"` - fsutil.FileNotDirReaddir `state:"nosave"` + waiter.AlwaysReady `state:"nosave"` + fsutil.FileGenericSeek `state:"nosave"` + fsutil.FileNoIoctl `state:"nosave"` + fsutil.FileNoMMap `state:"nosave"` + fsutil.FileNoopFlush `state:"nosave"` + fsutil.FileNoopFsync `state:"nosave"` + fsutil.FileNoopRelease `state:"nosave"` + fsutil.FileNotDirReaddir `state:"nosave"` + fsutil.FileUseInodeUnstableAttr `state:"nosave"` inode *rpcInetInode } diff --git a/pkg/sentry/fs/proc/seqfile/seqfile.go b/pkg/sentry/fs/proc/seqfile/seqfile.go index 16fc6789e..0a0eb45e2 100644 --- a/pkg/sentry/fs/proc/seqfile/seqfile.go +++ b/pkg/sentry/fs/proc/seqfile/seqfile.go @@ -183,14 +183,15 @@ func (s *SeqFile) updateSourceLocked(ctx context.Context, record int) { // // +stateify savable type seqFileOperations struct { - waiter.AlwaysReady `state:"nosave"` - fsutil.FileGenericSeek `state:"nosave"` - fsutil.FileNoIoctl `state:"nosave"` - fsutil.FileNoMMap `state:"nosave"` - fsutil.FileNoopFlush `state:"nosave"` - fsutil.FileNoopFsync `state:"nosave"` - fsutil.FileNoopRelease `state:"nosave"` - fsutil.FileNotDirReaddir `state:"nosave"` + waiter.AlwaysReady `state:"nosave"` + fsutil.FileGenericSeek `state:"nosave"` + fsutil.FileNoIoctl `state:"nosave"` + fsutil.FileNoMMap `state:"nosave"` + fsutil.FileNoopFlush `state:"nosave"` + fsutil.FileNoopFsync `state:"nosave"` + fsutil.FileNoopRelease `state:"nosave"` + fsutil.FileNotDirReaddir `state:"nosave"` + fsutil.FileUseInodeUnstableAttr `state:"nosave"` seqFile *SeqFile } diff --git a/pkg/sentry/fs/proc/sys.go b/pkg/sentry/fs/proc/sys.go index ee6b9f262..a7bc9198e 100644 --- a/pkg/sentry/fs/proc/sys.go +++ b/pkg/sentry/fs/proc/sys.go @@ -134,15 +134,16 @@ var _ fs.InodeOperations = (*hostname)(nil) // +stateify savable type hostnameFile struct { - waiter.AlwaysReady `state:"nosave"` - fsutil.FileNoIoctl `state:"nosave"` - fsutil.FileNoMMap `state:"nosave"` - fsutil.FileNoSeek `state:"nosave"` - fsutil.FileNoopFlush `state:"nosave"` - fsutil.FileNoopFsync `state:"nosave"` - fsutil.FileNoopRelease `state:"nosave"` - fsutil.FileNotDirReaddir `state:"nosave"` - fsutil.FileNoWrite `state:"nosave"` + waiter.AlwaysReady `state:"nosave"` + fsutil.FileNoIoctl `state:"nosave"` + fsutil.FileNoMMap `state:"nosave"` + fsutil.FileNoSeek `state:"nosave"` + fsutil.FileNoopFlush `state:"nosave"` + fsutil.FileNoopFsync `state:"nosave"` + fsutil.FileNoopRelease `state:"nosave"` + fsutil.FileNotDirReaddir `state:"nosave"` + fsutil.FileNoWrite `state:"nosave"` + fsutil.FileUseInodeUnstableAttr `state:"nosave"` } // Read implements fs.FileOperations.Read. diff --git a/pkg/sentry/fs/proc/sys_net.go b/pkg/sentry/fs/proc/sys_net.go index 42e9bc47f..728a46a74 100644 --- a/pkg/sentry/fs/proc/sys_net.go +++ b/pkg/sentry/fs/proc/sys_net.go @@ -85,14 +85,15 @@ func (m *tcpMemInode) GetFile(ctx context.Context, dirent *fs.Dirent, flags fs.F // +stateify savable type tcpMemFile struct { - waiter.AlwaysReady `state:"nosave"` - fsutil.FileGenericSeek `state:"nosave"` - fsutil.FileNoIoctl `state:"nosave"` - fsutil.FileNoMMap `state:"nosave"` - fsutil.FileNoopRelease `state:"nosave"` - fsutil.FileNoopFlush `state:"nosave"` - fsutil.FileNoopFsync `state:"nosave"` - fsutil.FileNotDirReaddir `state:"nosave"` + waiter.AlwaysReady `state:"nosave"` + fsutil.FileGenericSeek `state:"nosave"` + fsutil.FileNoIoctl `state:"nosave"` + fsutil.FileNoMMap `state:"nosave"` + fsutil.FileNoopRelease `state:"nosave"` + fsutil.FileNoopFlush `state:"nosave"` + fsutil.FileNoopFsync `state:"nosave"` + fsutil.FileNotDirReaddir `state:"nosave"` + fsutil.FileUseInodeUnstableAttr `state:"nosave"` tcpMemInode *tcpMemInode } @@ -197,14 +198,15 @@ func (s *tcpSack) GetFile(ctx context.Context, dirent *fs.Dirent, flags fs.FileF // +stateify savable type tcpSackFile struct { - waiter.AlwaysReady `state:"nosave"` - fsutil.FileGenericSeek `state:"nosave"` - fsutil.FileNoIoctl `state:"nosave"` - fsutil.FileNoMMap `state:"nosave"` - fsutil.FileNoopRelease `state:"nosave"` - fsutil.FileNoopFlush `state:"nosave"` - fsutil.FileNoopFsync `state:"nosave"` - fsutil.FileNotDirReaddir `state:"nosave"` + waiter.AlwaysReady `state:"nosave"` + fsutil.FileGenericSeek `state:"nosave"` + fsutil.FileNoIoctl `state:"nosave"` + fsutil.FileNoMMap `state:"nosave"` + fsutil.FileNoopRelease `state:"nosave"` + fsutil.FileNoopFlush `state:"nosave"` + fsutil.FileNoopFsync `state:"nosave"` + fsutil.FileNotDirReaddir `state:"nosave"` + fsutil.FileUseInodeUnstableAttr `state:"nosave"` tcpSack *tcpSack diff --git a/pkg/sentry/fs/proc/task.go b/pkg/sentry/fs/proc/task.go index 4b1f84942..0edcdfce2 100644 --- a/pkg/sentry/fs/proc/task.go +++ b/pkg/sentry/fs/proc/task.go @@ -142,7 +142,8 @@ func (s *subtasks) GetFile(ctx context.Context, dirent *fs.Dirent, flags fs.File // +stateify savable type subtasksFile struct { - fsutil.DirFileOperations `state:"nosave"` + fsutil.DirFileOperations `state:"nosave"` + fsutil.FileUseInodeUnstableAttr `state:"nosave"` t *kernel.Task pidns *kernel.PIDNamespace @@ -669,15 +670,16 @@ func (c *comm) GetFile(ctx context.Context, dirent *fs.Dirent, flags fs.FileFlag // +stateify savable type commFile struct { - waiter.AlwaysReady `state:"nosave"` - fsutil.FileGenericSeek `state:"nosave"` - fsutil.FileNoIoctl `state:"nosave"` - fsutil.FileNoMMap `state:"nosave"` - fsutil.FileNoopFlush `state:"nosave"` - fsutil.FileNoopFsync `state:"nosave"` - fsutil.FileNoopRelease `state:"nosave"` - fsutil.FileNotDirReaddir `state:"nosave"` - fsutil.FileNoWrite `state:"nosave"` + waiter.AlwaysReady `state:"nosave"` + fsutil.FileGenericSeek `state:"nosave"` + fsutil.FileNoIoctl `state:"nosave"` + fsutil.FileNoMMap `state:"nosave"` + fsutil.FileNoopFlush `state:"nosave"` + fsutil.FileNoopFsync `state:"nosave"` + fsutil.FileNoopRelease `state:"nosave"` + fsutil.FileNotDirReaddir `state:"nosave"` + fsutil.FileNoWrite `state:"nosave"` + fsutil.FileUseInodeUnstableAttr `state:"nosave"` t *kernel.Task } @@ -724,15 +726,16 @@ func (a *auxvec) GetFile(ctx context.Context, dirent *fs.Dirent, flags fs.FileFl // +stateify savable type auxvecFile struct { - waiter.AlwaysReady `state:"nosave"` - fsutil.FileGenericSeek `state:"nosave"` - fsutil.FileNoIoctl `state:"nosave"` - fsutil.FileNoMMap `state:"nosave"` - fsutil.FileNoopFlush `state:"nosave"` - fsutil.FileNoopFsync `state:"nosave"` - fsutil.FileNoopRelease `state:"nosave"` - fsutil.FileNotDirReaddir `state:"nosave"` - fsutil.FileNoWrite `state:"nosave"` + waiter.AlwaysReady `state:"nosave"` + fsutil.FileGenericSeek `state:"nosave"` + fsutil.FileNoIoctl `state:"nosave"` + fsutil.FileNoMMap `state:"nosave"` + fsutil.FileNoopFlush `state:"nosave"` + fsutil.FileNoopFsync `state:"nosave"` + fsutil.FileNoopRelease `state:"nosave"` + fsutil.FileNotDirReaddir `state:"nosave"` + fsutil.FileNoWrite `state:"nosave"` + fsutil.FileUseInodeUnstableAttr `state:"nosave"` t *kernel.Task } diff --git a/pkg/sentry/fs/proc/uid_gid_map.go b/pkg/sentry/fs/proc/uid_gid_map.go index 0c68bbfc9..d433632cf 100644 --- a/pkg/sentry/fs/proc/uid_gid_map.go +++ b/pkg/sentry/fs/proc/uid_gid_map.go @@ -81,14 +81,15 @@ func (imio *idMapInodeOperations) GetFile(ctx context.Context, dirent *fs.Dirent // +stateify savable type idMapFileOperations struct { - waiter.AlwaysReady `state:"nosave"` - fsutil.FileGenericSeek `state:"nosave"` - fsutil.FileNoIoctl `state:"nosave"` - fsutil.FileNoMMap `state:"nosave"` - fsutil.FileNoopFlush `state:"nosave"` - fsutil.FileNoopFsync `state:"nosave"` - fsutil.FileNoopRelease `state:"nosave"` - fsutil.FileNotDirReaddir `state:"nosave"` + waiter.AlwaysReady `state:"nosave"` + fsutil.FileGenericSeek `state:"nosave"` + fsutil.FileNoIoctl `state:"nosave"` + fsutil.FileNoMMap `state:"nosave"` + fsutil.FileNoopFlush `state:"nosave"` + fsutil.FileNoopFsync `state:"nosave"` + fsutil.FileNoopRelease `state:"nosave"` + fsutil.FileNotDirReaddir `state:"nosave"` + fsutil.FileUseInodeUnstableAttr `state:"nosave"` iops *idMapInodeOperations } diff --git a/pkg/sentry/fs/proc/uptime.go b/pkg/sentry/fs/proc/uptime.go index 40d0fd1fd..d7ae26fcf 100644 --- a/pkg/sentry/fs/proc/uptime.go +++ b/pkg/sentry/fs/proc/uptime.go @@ -54,15 +54,16 @@ func (u *uptime) GetFile(ctx context.Context, dirent *fs.Dirent, flags fs.FileFl // +stateify savable type uptimeFile struct { - waiter.AlwaysReady `state:"nosave"` - fsutil.FileGenericSeek `state:"nosave"` - fsutil.FileNoIoctl `state:"nosave"` - fsutil.FileNoMMap `state:"nosave"` - fsutil.FileNoopFlush `state:"nosave"` - fsutil.FileNoopFsync `state:"nosave"` - fsutil.FileNoopRelease `state:"nosave"` - fsutil.FileNotDirReaddir `state:"nosave"` - fsutil.FileNoWrite `state:"nosave"` + waiter.AlwaysReady `state:"nosave"` + fsutil.FileGenericSeek `state:"nosave"` + fsutil.FileNoIoctl `state:"nosave"` + fsutil.FileNoMMap `state:"nosave"` + fsutil.FileNoopFlush `state:"nosave"` + fsutil.FileNoopFsync `state:"nosave"` + fsutil.FileNoopRelease `state:"nosave"` + fsutil.FileNotDirReaddir `state:"nosave"` + fsutil.FileNoWrite `state:"nosave"` + fsutil.FileUseInodeUnstableAttr `state:"nosave"` startTime ktime.Time } |