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Diffstat (limited to 'absl/debugging/internal/demangle.cc')
| -rw-r--r-- | absl/debugging/internal/demangle.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/absl/debugging/internal/demangle.cc b/absl/debugging/internal/demangle.cc index 8bff73bb..d338c646 100644 --- a/absl/debugging/internal/demangle.cc +++ b/absl/debugging/internal/demangle.cc @@ -2352,6 +2352,12 @@ static bool ParseLocalNameSuffix(State *state) { (IsDigit(RemainingInput(state)[0]) || RemainingInput(state)[0] == '_')) { int number = -1; Optional(ParseNumber(state, &number)); + if (number < -1 || number > 2147483645) { + // Work around overflow cases. We do not expect these outside of a fuzzer + // or other source of adversarial input. If we do detect overflow here, + // we'll print {default arg#1}. + number = -1; + } number += 2; // The ::{default arg#1}:: infix must be rendered before the lambda itself, |