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/netlink | |
| 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/netlink')
| -rw-r--r-- | pkg/sentry/socket/netlink/socket.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/pkg/sentry/socket/netlink/socket.go b/pkg/sentry/socket/netlink/socket.go index 5ddcd4be5..3baad098b 100644 --- a/pkg/sentry/socket/netlink/socket.go +++ b/pkg/sentry/socket/netlink/socket.go @@ -16,6 +16,7 @@ package netlink import ( + "io" "math" "gvisor.dev/gvisor/pkg/abi/linux" @@ -748,6 +749,12 @@ func (s *socketOpsCommon) sendMsg(ctx context.Context, src usermem.IOSequence, t buf := make([]byte, src.NumBytes()) n, err := src.CopyIn(ctx, buf) + // io.EOF can be only returned if src is a file, this means that + // sendMsg is called from splice and the error has to be ignored in + // this case. + if err == io.EOF { + err = nil + } if err != nil { // Don't partially consume messages. return 0, syserr.FromError(err) |