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fix: Vision slice out of bounds error

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This commit is contained in:
gVisor bot 2023-04-01 20:08:49 +08:00
parent 6cfe879a2d
commit 46a76f38f2
1 changed files with 2 additions and 2 deletions
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4
transport/vless/filter.go
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@ -34,7 +34,7 @@ func (vc *Conn) FilterTLS(buffer []byte) (index int) {
lenP := len(buffer)
vc.packetsToFilter--
if index = bytes.Index(buffer, tlsServerHandshakeStart); index != -1 {
if lenP >= index+5 {
if lenP > index+5 {
if buffer[0] == 22 && buffer[1] == 3 && buffer[2] == 3 {
vc.isTLS = true
if buffer[5] == tlsHandshakeTypeServerHello {
@ -49,7 +49,7 @@ func (vc *Conn) FilterTLS(buffer []byte) (index int) {
}
}
} else if index = bytes.Index(buffer, tlsClientHandshakeStart); index != -1 {
if lenP >= index+5 && buffer[index+5] == tlsHandshakeTypeClientHello {
if lenP > index+5 && buffer[index+5] == tlsHandshakeTypeClientHello {
vc.isTLS = true
}
}