Xz Backdoor, Cybersecurity.
result: $ LD_LIBRARY_PATH=. ./test4 do foo_resolver success find ld base addr: 0x7f8a42a9f000 Symbol __libc_stack_end found at address 0x7f8a42ad8a90 argc = 1 argv[0] = ./test4 envp[0] = USER=ubuntu ...... Symbol _r_debug found at address 0x7f8a42ada118 name = , addr = 0x5624d7d18000, ld addr =