diff options
| author | Tamir Duberstein <tamird@google.com> | 2021-05-18 11:27:00 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-05-18 11:29:15 -0700 |
| commit | 5d04e0ae3391cfd518e73141f148ddb8e62faf60 (patch) | |
| tree | e257aa9dcca68364b10efb0c01df6a3a476100d2 | |
| parent | 32b66bb2be1b3b56138ca856045381519e210b68 (diff) | |
Emit more information on panic
PiperOrigin-RevId: 374464969
| -rw-r--r-- | pkg/tcpip/stack/packet_buffer.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/pkg/tcpip/stack/packet_buffer.go b/pkg/tcpip/stack/packet_buffer.go index 01652fbe7..4ca702121 100644 --- a/pkg/tcpip/stack/packet_buffer.go +++ b/pkg/tcpip/stack/packet_buffer.go @@ -245,10 +245,10 @@ func (pk *PacketBuffer) dataOffset() int { func (pk *PacketBuffer) push(typ headerType, size int) tcpipbuffer.View { h := &pk.headers[typ] if h.length > 0 { - panic(fmt.Sprintf("push must not be called twice: type %s", typ)) + panic(fmt.Sprintf("push(%s, %d) called after previous push", typ, size)) } if pk.pushed+size > pk.reserved { - panic("not enough headroom reserved") + panic(fmt.Sprintf("push(%s, %d) overflows; pushed=%d reserved=%d", typ, size, pk.pushed, pk.reserved)) } pk.pushed += size h.offset = -pk.pushed |