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Check nil buffer in CopyPacketWithSrcBuffer

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世界 2023-08-30 21:26:30 +08:00
parent 8d731e6885
commit 30bf19f283
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1 changed files with 4 additions and 0 deletions
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4
common/bufio/copy.go
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@ -5,6 +5,7 @@ import (
"errors"
"io"
"net"
"reflect"
"syscall"
"github.com/sagernet/sing/common"
@ -292,6 +293,9 @@ func CopyPacketWithSrcBuffer(originSource N.PacketReader, destinationConn N.Pack
if err != nil {
return
}
if buffer == nil {
panic("nil buffer returned from " + reflect.TypeOf(source).String())
}
dataLen := buffer.Len()
if dataLen == 0 {
continue