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Emit more information on panic

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PiperOrigin-RevId: 374464969
This commit is contained in:
Tamir Duberstein
2021-05-18 11:29:15 -07:00
committed by gVisor bot
parent 32b66bb2be
commit 5d04e0ae33
1 changed files with 2 additions and 2 deletions
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pkg/tcpip/stack/packet_buffer.go
+2 -2
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@@ -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