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Hi, I need help with this cryptic error I am having: After some lib updates, I suddenly experience a segfault error in some of my executable products of my project. The line of code crashing is simply in the likes of this: shared_pointer<Object> p = make_shared<Object>(params); // [ a lot of lines of code and different files later...] coud << p << endl; The pointer p appears valid, and lldb provides the following information of it: p std::__1::shared_ptr<const wolf::StateBlock>::element_type @ 0x0000000102706998 strong=4 weak=2 and I can navigate through all the fields of the pointed Object (of type wolf::StateBlock). I can "fix" this error with, for example, a cast of the pointer into an unsigned int: shared_pointer<Object> p = make_shared<Object>(params); [ a lot of lines of code and different files later...] unsigned int pui = (unsigned int)p; coud << pui << endl; with the result of my code crashing somewhere else with a similar error. Notes: The error appears when I compile and execute the code in macOS Monterey. The same code compiles and runs just fine in Ubuntu. The error message is: EXC_BAD_ACCESS (code=1, address=0x50) The dumped assembler code reads: 7FF81EB1527C: 4C 89 E6 movq %r12, %rsi 7FF81EB1527F: 4C 89 EA movq %r13, %rdx 7FF81EB15282: 4D 89 F0 movq %r14, %r8 7FF81EB15285: 41 FF 51 50 callq *0x50(%r9) 7FF81EB15289: 48 85 C0 testq %rax, %rax 7FF81EB1528C: 75 17 jne 0x7ff81eb152a5 ; <+261> 7FF81EB1528E: 48 8B 03 movq (%rbx), %rax where the error is at the line 7FF81EB15285: 41 FF 51 50 callq *0x50(%r9) Crash report