# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

# Normally we ignore sanitizer false positives via suppressions lists, but UBSan
# suppressions can only be applied to recoverable checks, and we force all checks
# to be non-recoverable so that the process aborts and the test fails.  Blacklists,
# which are applied at compile time, do correctly ignore non-recoverable errors.
#
# The syntax of this file is described in the UBSan documentation:
# https://clang.llvm.org/docs/SanitizerSpecialCaseList.html
#
# Note: when adding entries to this list, cmake will not recognize that it
# needs to completely rebuild everything, so a 'make clean' or equivalent is
# necessary.

# libstdc++'s mersenne twister implementation has an unsigned-integer overflow:
# include/c++/4.9.2/bits/random.tcc:416:33: runtime error: unsigned integer overflow: 397 - 624 cannot be represented in type 'unsigned long'
fun:*mersenne_twister_engine*

# Boost has multiple unsigned-integer overflows:
# include/boost/uuid/sha1.hpp:171:43: runtime error: unsigned integer overflow: 3903086636 + 2562383102 cannot be represented in type 'unsigned int'
src:*/boost/uuid/sha1.hpp
# include/boost/container/detail/copy_move_algo.hpp:949:11: runtime error: unsigned integer overflow: 0 - 1 cannot be represented in type 'unsigned long'
src:*/boost/container/detail/copy_move_algo.hpp
# include/boost/functional/hash/hash.hpp:212:52: runtime error: unsigned integer overflow: 18389307270159922987 + 1512985112272252029 cannot be represented in type 'unsigned long'
src:*/boost/functional/hash/hash.hpp

# Protobuf's coded output stream and hash implementations have unsigned-integer overflows:
# include/google/protobuf/io/coded_stream.h:925:61: runtime error: unsigned integer overflow: 0 - 1 cannot be represented in type 'unsigned int'
# include/google/protobuf/stubs/hash.h:353:18: runtime error: unsigned integer overflow: 5 * 5697019175939388048 cannot be represented in type 'unsigned long'
# include/google/protobuf/map.h:951:21: runtime error: unsigned integer overflow: 11400714819323198485 * 6142505534017268963 cannot be represented in type 'unsigned long'
# include/google/protobuf/parse_context.h:191:57: runtime error: unsigned integer overflow: 0 - 1 cannot be represented in type 'unsigned int'
src:*/google/protobuf/io/coded_stream.h
src:*/google/protobuf/stubs/hash.h
src:*/google/protobuf/map.h
src:*/google/protobuf/parse_context.h

# Sparsepp has an unsigned-integer negation overflow:
# /include/sparsepp/spp.h:1196:20: runtime error: negation of 8192 cannot be represented in type 'group_bm_type' (aka 'unsigned int')
src:*/sparsepp/spp.h