diff -r db4911b0c721 -r 445e01aede7e vendor/google.golang.org/protobuf/encoding/protowire/wire.go --- a/vendor/google.golang.org/protobuf/encoding/protowire/wire.go Tue Aug 23 22:33:28 2022 +0200 +++ b/vendor/google.golang.org/protobuf/encoding/protowire/wire.go Tue Aug 23 22:39:43 2022 +0200 @@ -21,10 +21,11 @@ type Number int32 const ( - MinValidNumber Number = 1 - FirstReservedNumber Number = 19000 - LastReservedNumber Number = 19999 - MaxValidNumber Number = 1<<29 - 1 + MinValidNumber Number = 1 + FirstReservedNumber Number = 19000 + LastReservedNumber Number = 19999 + MaxValidNumber Number = 1<<29 - 1 + DefaultRecursionLimit = 10000 ) // IsValid reports whether the field number is semantically valid. @@ -55,6 +56,7 @@ errCodeOverflow errCodeReserved errCodeEndGroup + errCodeRecursionDepth ) var ( @@ -112,6 +114,10 @@ // When parsing a group, the length includes the end group marker and // the end group is verified to match the starting field number. func ConsumeFieldValue(num Number, typ Type, b []byte) (n int) { + return consumeFieldValueD(num, typ, b, DefaultRecursionLimit) +} + +func consumeFieldValueD(num Number, typ Type, b []byte, depth int) (n int) { switch typ { case VarintType: _, n = ConsumeVarint(b) @@ -126,6 +132,9 @@ _, n = ConsumeBytes(b) return n case StartGroupType: + if depth < 0 { + return errCodeRecursionDepth + } n0 := len(b) for { num2, typ2, n := ConsumeTag(b) @@ -140,7 +149,7 @@ return n0 - len(b) } - n = ConsumeFieldValue(num2, typ2, b) + n = consumeFieldValueD(num2, typ2, b, depth-1) if n < 0 { return n // forward error code } @@ -507,6 +516,7 @@ } // DecodeZigZag decodes a zig-zag-encoded uint64 as an int64. +// // Input: {…, 5, 3, 1, 0, 2, 4, 6, …} // Output: {…, -3, -2, -1, 0, +1, +2, +3, …} func DecodeZigZag(x uint64) int64 { @@ -514,6 +524,7 @@ } // EncodeZigZag encodes an int64 as a zig-zag-encoded uint64. +// // Input: {…, -3, -2, -1, 0, +1, +2, +3, …} // Output: {…, 5, 3, 1, 0, 2, 4, 6, …} func EncodeZigZag(x int64) uint64 { @@ -521,6 +532,7 @@ } // DecodeBool decodes a uint64 as a bool. +// // Input: { 0, 1, 2, …} // Output: {false, true, true, …} func DecodeBool(x uint64) bool { @@ -528,6 +540,7 @@ } // EncodeBool encodes a bool as a uint64. +// // Input: {false, true} // Output: { 0, 1} func EncodeBool(x bool) uint64 {