diff options
| author | Andrei Vagin <avagin@google.com> | 2020-10-15 23:13:40 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-10-15 23:15:48 -0700 |
| commit | c002fc36f9bbf0fe3ed8b7712c72376f8f8190c1 (patch) | |
| tree | 3bc4869c076c0e9e12e7e6b2c6b078db77a6c4e7 /pkg/sentry/socket/netstack | |
| parent | fc40ead6856603b85c978e9120c66721cdbfc87b (diff) | |
sockets: ignore io.EOF from view.ReadAt
Reported-by: syzbot+5466463b7604c2902875@syzkaller.appspotmail.com
PiperOrigin-RevId: 337451896
Diffstat (limited to 'pkg/sentry/socket/netstack')
| -rw-r--r-- | pkg/sentry/socket/netstack/netstack.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/sentry/socket/netstack/netstack.go b/pkg/sentry/socket/netstack/netstack.go index 87e30d742..211f07947 100644 --- a/pkg/sentry/socket/netstack/netstack.go +++ b/pkg/sentry/socket/netstack/netstack.go @@ -587,6 +587,11 @@ func (i *ioSequencePayload) Payload(size int) ([]byte, *tcpip.Error) { } v := buffer.NewView(size) if _, err := i.src.CopyIn(i.ctx, v); err != nil { + // EOF can be returned only if src is a file and this means it + // is in a splice syscall and the error has to be ignored. + if err == io.EOF { + return v, nil + } return nil, tcpip.ErrBadAddress } return v, nil |