diff options
| author | Nicolas Lacasse <nlacasse@google.com> | 2019-08-12 17:40:11 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2019-08-12 17:41:33 -0700 |
| commit | 9769a8eaa4b384d1b7db9f06edf28a6331cd2b64 (patch) | |
| tree | 7755840ef6131afb53789eefd1c8ae19f00b823c /pkg/sentry/syscalls | |
| parent | 691c2f8173dfe7349e8289697299839cda32b495 (diff) | |
Handle ENOSPC with a partial write.
Similar to the EPIPE case, we can return the number of bytes written before
ENOSPC was encountered. If the app tries to write more, we can return ENOSPC on
the next write.
PiperOrigin-RevId: 263041648
Diffstat (limited to 'pkg/sentry/syscalls')
| -rw-r--r-- | pkg/sentry/syscalls/linux/error.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/sentry/syscalls/linux/error.go b/pkg/sentry/syscalls/linux/error.go index 264301bfa..1d9018c96 100644 --- a/pkg/sentry/syscalls/linux/error.go +++ b/pkg/sentry/syscalls/linux/error.go @@ -91,6 +91,10 @@ func handleIOError(t *kernel.Task, partialResult bool, err, intr error, op strin // TODO(gvisor.dev/issue/161): In some cases SIGPIPE should // also be sent to the application. return nil + case syserror.ENOSPC: + // Similar to EPIPE. Return what we wrote this time, and let + // ENOSPC be returned on the next call. + return nil case syserror.ECONNRESET: // For TCP sendfile connections, we may have a reset. But we // should just return n as the result. |