conn: set unused OOB to zero length
Otherwise in the event that we're using GSO without sticky sockets, we pass garbage OOB buffers to sendmmsg, making a EINVAL, when GSO doesn't set its header. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
parent
f502ec3fad
commit
b3df23dcd4
@ -65,7 +65,7 @@ func NewStdNetBind() Bind {
|
||||
msgs := make([]ipv6.Message, IdealBatchSize)
|
||||
for i := range msgs {
|
||||
msgs[i].Buffers = make(net.Buffers, 1)
|
||||
msgs[i].OOB = make([]byte, stickyControlSize+gsoControlSize)
|
||||
msgs[i].OOB = make([]byte, 0, stickyControlSize+gsoControlSize)
|
||||
}
|
||||
return &msgs
|
||||
},
|
||||
@ -200,6 +200,7 @@ again:
|
||||
|
||||
func (s *StdNetBind) putMessages(msgs *[]ipv6.Message) {
|
||||
for i := range *msgs {
|
||||
(*msgs)[i].OOB = (*msgs)[i].OOB[:0]
|
||||
(*msgs)[i] = ipv6.Message{Buffers: (*msgs)[i].Buffers, OOB: (*msgs)[i].OOB}
|
||||
}
|
||||
s.msgsPool.Put(msgs)
|
||||
|
Loading…
Reference in New Issue
Block a user