Fix system ipv4 overflow
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0032242c96
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1 changed files with 1 additions and 1 deletions
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@ -173,7 +173,7 @@ func (p IPv4Packet) PseudoSum() uint32 {
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}
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}
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func (p IPv4Packet) Valid() bool {
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func (p IPv4Packet) Valid() bool {
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return len(p) >= IPv4HeaderSize && uint16(len(p)) >= p.TotalLen()
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return len(p) >= IPv4HeaderSize && p.TotalLen() >= p.HeaderLen() && uint16(len(p)) >= p.TotalLen()
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}
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}
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func (p IPv4Packet) Verify() error {
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func (p IPv4Packet) Verify() error {
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