Pointers are kept to some objects on the stack. Once the lifetime of those objects end, the pointers are used to write to that memory.
$ scan-build g++ -std=c++1z write_invalid_mem.cpp
scan-build: Using 'local/tmp/clang/bin/clang' for static analysis
scan-build: Removing directory '/tmp/scan-build-2015-12-08-151246-7669-1' because it contains no reports.
scan-build: No bugs found.
Example taken from the talk "CppCon 2015: Herb Sutter "Writing Good C++14... By Default" at 33:12
llvmbot
commented
8 years ago
Extended Description
Pointers are kept to some objects on the stack. Once the lifetime of those objects end, the pointers are used to write to that memory.
$ scan-build g++ -std=c++1z write_invalid_mem.cpp scan-build: Using 'local/tmp/clang/bin/clang' for static analysis scan-build: Removing directory '/tmp/scan-build-2015-12-08-151246-7669-1' because it contains no reports. scan-build: No bugs found.
Example taken from the talk "CppCon 2015: Herb Sutter "Writing Good C++14... By Default" at 33:12