OSV-2022-1119 Container-overflow in spvtools::opt::blockmergeutil::CanMergeWithSuccessor

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52863 Crash type: Container-overflow READ 8 Crash state: spvtools::opt::blockmergeutil::CanMergeWithSuccessor std::1::function::funcspvtools::opt::BlockMergePass::Process spvtools::opt::IRContext::ProcessCallTreeFromRoots...

spirv-tools:spvtools_opt_performance_fuzzer: Container-overflow in spvtools::opt::blockmergeutil::CanMergeWithSuccessor

Project: https://github.com/KhronosGroup/SPIRV-Tools.git Detailed Report: https://oss-fuzz.com/testcase?key=4930214673383424 Project: spirv-tools Fuzzing Engine: honggfuzz Fuzz Target: spvtoolsoptperformancefuzzer Job Type: honggfuzzasanspirv-tools Platform Id: linux Crash Type: Container-overflo...