Commit fd7328fa authored by Han-Wen Nienhuys's avatar Han-Wen Nienhuys

fuse: ignore unrecognized opcodes

Go-FUSE has been trailing the kernel, and the kernel (usually) is
careful to only send opcodes that are recognized. However, on GKE
(GCP) the undefined opcode 2016 has been seen, leading to a crash.

Fixes #276.
parent 161a1648
......@@ -217,8 +217,14 @@ func (r *request) outData() unsafe.Pointer {
// serializeHeader serializes the response header. The header points
// to an internal buffer of the receiver.
func (r *request) serializeHeader(flatDataSize int) (header []byte) {
dataLength := r.handler.OutputSize
var dataLength uintptr
if r.handler != nil {
dataLength = r.handler.OutputSize
}
if r.status > OK {
// only do this for positive status; negative status
// is used for notification.
dataLength = 0
}
......
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