diff options
Diffstat (limited to 'pkg/sentry/state/state.go')
| -rw-r--r-- | pkg/sentry/state/state.go | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/pkg/sentry/state/state.go b/pkg/sentry/state/state.go index 67db78a56..224f8b709 100644 --- a/pkg/sentry/state/state.go +++ b/pkg/sentry/state/state.go @@ -24,18 +24,20 @@ import ( "gvisor.googlesource.com/gvisor/pkg/sentry/kernel" "gvisor.googlesource.com/gvisor/pkg/sentry/watchdog" "gvisor.googlesource.com/gvisor/pkg/state/statefile" + "gvisor.googlesource.com/gvisor/pkg/syserror" ) var previousMetadata map[string]string -// ErrStateFile is returned when the state file cannot be opened. +// ErrStateFile is returned when an error is encountered writing the statefile +// (which may occur during open or close calls in addition to write). type ErrStateFile struct { err error } // Error implements error.Error(). func (e ErrStateFile) Error() string { - return fmt.Sprintf("failed to open statefile: %v", e.err) + return fmt.Sprintf("statefile error: %v", e.err) } // SaveOpts contains save-related options. @@ -76,6 +78,14 @@ func (opts SaveOpts) Save(k *kernel.Kernel, w *watchdog.Watchdog) error { } else { // Save the kernel. err = k.SaveTo(wc) + + // ENOSPC is a state file error. This error can only come from + // writing the state file, and not from fs.FileOperations.Fsync + // because we wrap those in kernel.TaskSet.flushWritesToFiles. + if err == syserror.ENOSPC { + err = ErrStateFile{err} + } + if closeErr := wc.Close(); err == nil && closeErr != nil { err = ErrStateFile{closeErr} } |