[Bug gdb/31577] [gdb] terminate called after throwing an instance of 'gdb_exception_error'

["vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=31577

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
Backtrace of the corefile:
...
(gdb) bt
#0  0x0000ffff75504f54 in raise () from /lib64/libpthread.so.0
#1  0x00000000007a86b4 in handle_fatal_signal (sig=6)
    at /data/vries/gdb/src/gdb/event-top.c:926
#2  <signal handler called>
#3  0x0000ffff74b977b4 in raise () from /lib64/libc.so.6
#4  0x0000ffff74b98c18 in abort () from /lib64/libc.so.6
#5  0x0000ffff74ea26f4 in __gnu_cxx::__verbose_terminate_handler() ()
   from /usr/lib64/libstdc++.so.6
#6  0x0000ffff74ea011c in ?? () from /usr/lib64/libstdc++.so.6
#7  0x0000ffff74ea0180 in std::terminate() () from /usr/lib64/libstdc++.so.6
#8  0x0000ffff74ea0464 in __cxa_throw () from /usr/lib64/libstdc++.so.6
#9  0x0000000001548870 in throw_it (reason=RETURN_ERROR,
error=TARGET_CLOSE_ERROR, 
    fmt=0x16c7810 "Remote connection closed", ap=...)
    at /data/vries/gdb/src/gdbsupport/common-exceptions.cc:203
#10 0x0000000001548920 in throw_verror (error=TARGET_CLOSE_ERROR, 
    fmt=0x16c7810 "Remote connection closed", ap=...)
    at /data/vries/gdb/src/gdbsupport/common-exceptions.cc:211
#11 0x0000000001548a00 in throw_error (error=TARGET_CLOSE_ERROR, 
    fmt=0x16c7810 "Remote connection closed")
    at /data/vries/gdb/src/gdbsupport/common-exceptions.cc:226
#12 0x0000000000ac8f2c in remote_target::readchar (this=0x233d3d90, timeout=2)
    at /data/vries/gdb/src/gdb/remote.c:9856
#13 0x0000000000ac9f04 in remote_target::getpkt (this=0x233d3d90,
buf=0x233d40a8, 
    forever=false, is_notif=0x0) at /data/vries/gdb/src/gdb/remote.c:10326
#14 0x0000000000acf3d0 in remote_target::remote_hostio_send_command
(this=0x233d3d90, 
    command_bytes=13, which_packet=17, remote_errno=0xfffff1a3cf38, 
    attachment=0xfffff1a3ce88, attachment_len=0xfffff1a3ce90)
    at /data/vries/gdb/src/gdb/remote.c:12567
#15 0x0000000000ad03bc in remote_target::fileio_fstat (this=0x233d3d90, fd=3, 
    st=0xfffff1a3d020, remote_errno=0xfffff1a3cf38)
    at /data/vries/gdb/src/gdb/remote.c:12979
#16 0x0000000000c39878 in target_fileio_fstat (fd=0, sb=0xfffff1a3d020, 
    target_errno=0xfffff1a3cf38) at /data/vries/gdb/src/gdb/target.c:3315
#17 0x00000000007eee5c in target_fileio_stream::stat (this=0x233d4400,
abfd=0x2323fc40, 
    sb=0xfffff1a3d020) at /data/vries/gdb/src/gdb/gdb_bfd.c:467
#18 0x00000000007f012c in <lambda(bfd*, void*, stat*)>::operator()(bfd *, void
*, stat *) const (__closure=0x0, abfd=0x2323fc40, stream=0x233d4400,
sb=0xfffff1a3d020)
    at /data/vries/gdb/src/gdb/gdb_bfd.c:955
#19 0x00000000007f015c in <lambda(bfd*, void*, stat*)>::_FUN(bfd *, void *,
stat *) ()
    at /data/vries/gdb/src/gdb/gdb_bfd.c:956
#20 0x0000000000f9b838 in opncls_bstat (abfd=0x2323fc40, sb=0xfffff1a3d020)
    at /data/vries/gdb/src/bfd/opncls.c:665
#21 0x0000000000f90adc in bfd_stat (abfd=0x2323fc40, statbuf=0xfffff1a3d020)
    at /data/vries/gdb/src/bfd/bfdio.c:431
#22 0x000000000065fe20 in reopen_exec_file () at
/data/vries/gdb/src/gdb/corefile.c:52
#23 0x0000000000c3a3e8 in generic_mourn_inferior ()
    at /data/vries/gdb/src/gdb/target.c:3642
#24 0x0000000000abf3f0 in remote_unpush_target (target=0x233d3d90)
    at /data/vries/gdb/src/gdb/remote.c:6067
#25 0x0000000000aca8b0 in remote_target::mourn_inferior (this=0x233d3d90)
    at /data/vries/gdb/src/gdb/remote.c:10587
#26 0x0000000000c387cc in target_mourn_inferior (
    ptid=<error reading variable: Cannot access memory at address 0x2d310>)
    at /data/vries/gdb/src/gdb/target.c:2738
#27 0x0000000000abfff0 in remote_target::remote_detach_1 (this=0x233d3d90, 
    inf=0x22fce540, from_tty=1) at /data/vries/gdb/src/gdb/remote.c:6421
#28 0x0000000000ac0094 in remote_target::detach (this=0x233d3d90,
inf=0x22fce540, 
    from_tty=1) at /data/vries/gdb/src/gdb/remote.c:6436
#29 0x0000000000c37c3c in target_detach (inf=0x22fce540, from_tty=1)
    at /data/vries/gdb/src/gdb/target.c:2526
#30 0x0000000000860424 in detach_command (args=0x0, from_tty=1)
    at /data/vries/gdb/src/gdb/infcmd.c:2817
#31 0x000000000060b594 in do_simple_func (args=0x0, from_tty=1, c=0x231431a0)
    at /data/vries/gdb/src/gdb/cli/cli-decode.c:94
#32 0x00000000006108c8 in cmd_func (cmd=0x231431a0, args=0x0, from_tty=1)
    at /data/vries/gdb/src/gdb/cli/cli-decode.c:2741
#33 0x0000000000c65a94 in execute_command (p=0x232e52f6 "", from_tty=1)
    at /data/vries/gdb/src/gdb/top.c:570
#34 0x00000000007a7d2c in command_handler (command=0x232e52f0 "")
    at /data/vries/gdb/src/gdb/event-top.c:566
#35 0x00000000007a8290 in command_line_handler (rl=...)
    at /data/vries/gdb/src/gdb/event-top.c:802
#36 0x0000000000c9092c in tui_command_line_handler (rl=...)
    at /data/vries/gdb/src/gdb/tui/tui-interp.c:103
#37 0x00000000007a750c in gdb_rl_callback_handler (rl=0x23385330 "detach")
    at /data/vries/gdb/src/gdb/event-top.c:258
#38 0x0000000000d910f4 in rl_callback_read_char ()
    at /data/vries/gdb/src/readline/readline/callback.c:290
#39 0x00000000007a7338 in gdb_rl_callback_read_char_wrapper_noexcept ()
    at /data/vries/gdb/src/gdb/event-top.c:194
#40 0x00000000007a73f0 in gdb_rl_callback_read_char_wrapper
(client_data=0x22fbf640)
    at /data/vries/gdb/src/gdb/event-top.c:233
#41 0x0000000000cbee1c in stdin_event_handler (error=0, client_data=0x22fbf640)
    at /data/vries/gdb/src/gdb/ui.c:154
#42 0x000000000154ed60 in handle_file_event (file_ptr=0x232be730, ready_mask=1)
    at /data/vries/gdb/src/gdbsupport/event-loop.cc:572
#43 0x000000000154f21c in gdb_wait_for_event (block=1)
    at /data/vries/gdb/src/gdbsupport/event-loop.cc:693
#44 0x000000000154dec4 in gdb_do_one_event (mstimeout=-1)
    at /data/vries/gdb/src/gdbsupport/event-loop.cc:263
#45 0x0000000000910f98 in start_event_loop () at
/data/vries/gdb/src/gdb/main.c:400
#46 0x0000000000911130 in captured_command_loop () at
/data/vries/gdb/src/gdb/main.c:464
#47 0x0000000000912b5c in captured_main (data=0xfffff1a3db58)
    at /data/vries/gdb/src/gdb/main.c:1338
#48 0x0000000000912bf4 in gdb_main (args=0xfffff1a3db58)
    at /data/vries/gdb/src/gdb/main.c:1357
#49 0x00000000004170f4 in main (argc=10, argv=0xfffff1a3dcc8)
    at /data/vries/gdb/src/gdb/gdb.c:38
(gdb) 
...

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