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Better fuzz testing and fix several bugs it found

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Fix infinite loop in AuthenticationSASL.Decode
Fix panic in CommandComplete.Decode
Fix panic in DataRow.Decode
Fix panic in NotificationResponse.Decode
This commit is contained in:
Jack Christensen
2022-07-23 16:13:06 -05:00
parent 9d0f27bc4b
commit 7f382f5190
11 changed files with 67 additions and 16 deletions
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pgproto3/command_complete.go
+4 -1
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@@ -18,8 +18,11 @@ func (*CommandComplete) Backend() {}
// type identifier and 4 byte message length.
func (dst *CommandComplete) Decode(src []byte) error {
idx := bytes.IndexByte(src, 0)
if idx == -1 {
return &invalidMessageFormatErr{messageType: "CommandComplete", details: "unterminated string"}
}
if idx != len(src)-1 {
return &invalidMessageFormatErr{messageType: "CommandComplete"}
return &invalidMessageFormatErr{messageType: "CommandComplete", details: "string terminated too early"}
}
dst.CommandTag = src[:idx]