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8c0f6142a8
This makes sure that we don't become vulnerable to CVE-2018-17419 or CVE-2019-19794 in the future. Signed-off-by: Sam Whited <sam@samwhited.com>
32 lines
536 B
Go
32 lines
536 B
Go
// +build fuzz
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package dns
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import "strings"
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func Fuzz(data []byte) int {
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msg := new(Msg)
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if err := msg.Unpack(data); err != nil {
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return 0
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}
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if _, err := msg.Pack(); err != nil {
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return 0
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}
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return 1
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}
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func FuzzNewRR(data []byte) int {
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str := string(data)
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// Do not fuzz lines that include the $INCLUDE keyword and hint the fuzzer
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// at avoiding them.
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// See GH#1025 for context.
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if strings.Contains(strings.ToUpper(str), "$INCLUDE") {
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return -1
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}
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if _, err := NewRR(str); err != nil {
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return 0
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}
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return 1
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}
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