gdb解析fakecore出现崩溃

[zhaojunmin123]

0x557352fa2dcf gdb_internal_backtrace_1
/mnt/disk/home/gdb-source/gdb-16.2/gdb/bt-utils.c:121
0x557352fa2dcf _Z22gdb_internal_backtracev
/mnt/disk/home/gdb-source/gdb-16.2/gdb/bt-utils.c:182
0x5573530c76a5 handle_fatal_signal
/mnt/disk/home/gdb-source/gdb-16.2/gdb/event-top.c:1018
0x5573530c777f handle_sigsegv
/mnt/disk/home/gdb-source/gdb-16.2/gdb/event-top.c:1089
0x7f43ee53d41f ???
/build/glibc-FcRMwW/glibc-2.31/nptl/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x7f43ee4bd915 ???
../sysdeps/x86_64/multiarch/strlen-avx2.S:65
0x5573534f16f2 xstrdup
./xstrdup.c:33
0x557353012697 make_unique_xstrdup
./../gdbsupport/gdb_unique_ptr.h:66
0x557353012697 core_target_open
/mnt/disk/home/gdb-source/gdb-16.2/gdb/corelow.c:1192
0x557353188064 catch_command_errors
/mnt/disk/home/gdb-source/gdb-16.2/gdb/main.c:508
0x557353189afd captured_main_1
/mnt/disk/home/gdb-source/gdb-16.2/gdb/main.c:1238
0x55735318a8ba captured_main
/mnt/disk/home/gdb-source/gdb-16.2/gdb/main.c:1333
0x55735318a8ba _Z8gdb_mainP18captured_main_args
/mnt/disk/home/gdb-source/gdb-16.2/gdb/main.c:1362
0x557352eba507 main
/mnt/disk/home/gdb-source/gdb-16.2/gdb/gdb.c:38

bfd_core_file_failing_command函数返回空导致空指针