Crashing if you load content by unzip rom

If you try load rom by unzip it first (Detect Core or simple Load Content), you get a crash.

gdb retroarch
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Reading symbols from retroarch...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/retroarch 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffe5f9c700 (LWP 14983)]
0
[Thread 0x7fffe5f9c700 (LWP 14983) exited]
Opening cartridge file /home/sergio/Games/Atari 7800/Asteroids (USA).zip#Asteroids (USA).a78.Cartridge.cpp
Failed to open the cartridge file /home/sergio/Games/Atari 7800/Asteroids (USA).zip#Asteroids (USA).a78 for reading.Cartridge.cpp
RetroArch [ERROR] :: load_content :: Failed to load game.

Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
(gdb) bt full
#0  0x0000000000000000 in ?? ()
No symbol table info available.
#1  0x0000000000443b4b in ?? ()
No symbol table info available.
#2  0x00000000004103c7 in ?? ()
No symbol table info available.
#3  0x0000000000414b75 in ?? ()
No symbol table info available.
#4  0x0000000000466ab6 in ?? ()
No symbol table info available.
#5  0x00000000004188c7 in ?? ()
No symbol table info available.
#6  0x000000000040e0f5 in ?? ()
No symbol table info available.
#7  0x00007ffff284dec5 in __libc_start_main (main=0x40e060, argc=1, argv=0x7fffffffdf98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, 
    stack_end=0x7fffffffdf88) at libc-start.c:287
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 1904257585204123383, 4252052, 140737488347024, 0, 0, -1904257586238105865, -1904269311521499401}, mask_was_saved = 0}}, 
          priv = {pad = {0x0, 0x0, 0x4aa870, 0x7fffffffdf98}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4892784}}}
        not_first_call = <optimized out>
#8  0x000000000040e1bd in ?? ()
No symbol table info available.

Reproduce the crash through Detect Core or simple Load Content using an unzipped ROM, then inspect the load_content failure path with a debug build and GDB. The report names no source files or tests; done means the ROM loads without the reported SIGSEGV after a cartridge-open failure.