GNU logs - #78473, boring messages


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Subject: bug#78473: 30.1; feature/igc: multiple crashes with pgtk_handle_selection_*
Resent-From: Oliver Reiter <oliver.reiter@HIDDEN>
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Dear all,

I have encountered multiple crashes on feature/igc with pgtk when
copying from Emacs to somewhere else. All crashes seem to involve some
form of 'pgtk_handle_selection_*' function (xbacktrace is always empty).
These crashes appear to be reproducible for me, if you need further
info.

Best,

Oliver

- First crash:

#0  terminate_due_to_signal (sig=11, backtrace_limit=40)
    at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:443
#1  0x00005555555a2e2f in handle_fatal_signal (sig=11)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1793
#2  deliver_thread_signal (handler=<optimized out>, sig=11)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1785
#3  deliver_fatal_thread_signal (sig=11)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1805
#4  handle_sigsegv (sig=11, siginfo=0x555555acc4b0 <sigsegv_stack+64528>, arg=<optimized out>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1943
#5  <signal handler called>
#6  0x00007ffff34de0fb in __GI_kill () at ../sysdeps/unix/syscall-template.S:120
#7  0x0000555555964d57 in sigHandle ()
#8  <signal handler called>
#9  pgtk_handle_selection_request (event=0x7fffffffc780)
    at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:585
#10 0x00005555556e4185 in pgtk_handle_selection_event (event=0x7fffffffc780)
    at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:796
#11 process_special_events () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4581
#12 0x00005555556e540e in swallow_events (do_display=true)
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4621
#13 0x000055555583ecc2 in wait_reading_process_output.constprop.1 (time_limit=<optimized out>, 
    nsecs=nsecs@entry=0, read_kbd=read_kbd@entry=-1, do_display=true, just_wait_proc=<optimized out>, 
    wait_proc=<optimized out>, wait_for_cell=<optimized out>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/process.c:5865
#14 0x00005555555c1f10 in sit_for (timeout=<optimized out>, reading=<optimized out>, 
    display_option=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/dispnew.c:7007
#15 0x00005555556e992d in read_char (commandflag=1, map=XIL(0x7fffb2970ebb), prev_event=XIL(0), 
    used_mouse_menu=0x7fffffffd34b, end_time=0x0)
    at /home/reitero/build/sources/emacs/emacs_debug/src/lisp.h:762
#16 0x0000555555701ed5 in read_key_sequence.constprop.0 (keybuf=keybuf@entry=0x7fffffffd4f0, 
    prevent_redisplay=prevent_redisplay@entry=false, disable_text_conversion_p=<optimized out>, 
    fix_current_buffer=<optimized out>, can_return_switch_frame=<optimized out>, 
    dont_downcase_last=<optimized out>, prompt=<optimized out>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:10892
#17 0x00005555556ea097 in command_loop_1 ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1435
#18 0x00005555557a58f4 in internal_condition_case (bfun=0x5555556e9ed0 <command_loop_1>, 
    handlers=<optimized out>, hfun=0x5555556e0a10 <cmd_error>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1643
#19 0x00005555556e0d06 in command_loop_2 (handlers=XIL(0xa8))
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1174
#20 0x00005555557a579d in internal_catch (tag=<optimized out>, func=0x5555556e0ce0 <command_loop_2>, 
    arg=XIL(0xa8)) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1323
#21 0x00005555556e0da3 in command_loop ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1152
#22 0x00005555556e2bc4 in recursive_edit_1.isra.0 ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:760
#23 0x00005555556e9ea4 in Frecursive_edit ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:843
#24 0x00005555555b02a2 in main (argc=<optimized out>, argv=0x7fffffffdbe8)
    at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:2604
You can't do that without a process to debug.
(gdb) bt full
#0  terminate_due_to_signal (sig=11, backtrace_limit=40)
    at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:443
No locals.
#1  0x00005555555a2e2f in handle_fatal_signal (sig=11)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1793
No locals.
#2  deliver_thread_signal (handler=<optimized out>, sig=11)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1785
        old_errno = <optimized out>
#3  deliver_fatal_thread_signal (sig=11)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1805
No locals.
#4  handle_sigsegv (sig=11, siginfo=0x555555acc4b0 <sigsegv_stack+64528>, arg=<optimized out>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1943
        fatal = <optimized out>
#5  <signal handler called>
No locals.
#6  0x00007ffff34de0fb in __GI_kill () at ../sysdeps/unix/syscall-template.S:120
No locals.
#7  0x0000555555964d57 in sigHandle ()
No symbol table info available.
#8  <signal handler called>
No locals.
#9  pgtk_handle_selection_request (event=0x7fffffffc780)
    at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:585
        local_selection_time = <optimized out>
        dpyinfo = 0x55dee7e0
        selection = 0x45
        selection_symbol = XIL(0x1c0)
        target = <optimized out>
        target_symbol = XIL(0x3f00)
        property = 0x5e
        local_selection_data = <optimized out>
        success = false
        count = <optimized out>
        pushed = false
        alias = <optimized out>
        tem = <optimized out>
        DONE = <optimized out>
#10 0x00005555556e4185 in pgtk_handle_selection_event (event=0x7fffffffc780)
    at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:796
No locals.
#11 process_special_events () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4581
        event = 0x555555a41580 <kbd_buffer+14080>
        copy = {
          kind = SELECTION_REQUEST_EVENT,
          dpyinfo = 0x55dee7e0,
          requestor = 0x555555e00b50,
          selection = 0x45,
          target = 0x4d,
          property = 0x5e,
          time = 0
        }
--Type <RET> for more, q to quit, c to continue without paging--
        moved_events = <optimized out>
#12 0x00005555556e540e in swallow_events (do_display=true)
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4621
        old_timers_run = <optimized out>
#13 0x000055555583ecc2 in wait_reading_process_output.constprop.1 (time_limit=<optimized out>, 
    nsecs=nsecs@entry=0, read_kbd=read_kbd@entry=-1, do_display=true, just_wait_proc=<optimized out>, 
    wait_proc=<optimized out>, wait_for_cell=<optimized out>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/process.c:5865
        leave = false
        wrapped = <optimized out>
        read_some_bytes = <optimized out>
        count = <optimized out>
        process_skipped = <optimized out>
        channel_start = <optimized out>
        child_fd = <optimized out>
        nread = <optimized out>
        channel = <optimized out>
        nfds = <optimized out>
        Available = {
          fds_bits = {0 <repeats 16 times>}
        }
        Writeok = {
          fds_bits = {0 <repeats 16 times>}
        }
        check_write = true
        check_delay = <optimized out>
        no_avail = true
        xerrno = 11
        proc = <optimized out>
        timeout = {
          tv_sec = 30,
          tv_nsec = 0
        }
        end_time = {
          tv_sec = 1747293027,
          tv_nsec = 422682986
        }
        timer_delay = <optimized out>
        got_output_end_time = <optimized out>
        wait = <optimized out>
        got_some_output = <optimized out>
        prev_wait_proc_nbytes_read = <optimized out>
        retry_for_async = <optimized out>
        count = <optimized out>
        now = <optimized out>
        last_read_channel = <optimized out>
        MINIMUM = MINIMUM
        TIMEOUT = TIMEOUT
        FOREVER = FOREVER
#14 0x00005555555c1f10 in sit_for (timeout=<optimized out>, reading=<optimized out>, 
    display_option=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/dispnew.c:7007
        sec = <optimized out>
        nsec = 0
--Type <RET> for more, q to quit, c to continue without paging--
        do_display = <optimized out>
        curbuf_eq_winbuf = true
        nbytes = <optimized out>
#15 0x00005555556e992d in read_char (commandflag=1, map=XIL(0x7fffb2970ebb), prev_event=XIL(0), 
    used_mouse_menu=0x7fffffffd34b, end_time=0x0)
    at /home/reitero/build/sources/emacs/emacs_debug/src/lisp.h:762
        tem0 = <optimized out>
        timeout = <optimized out>
        count1 = <optimized out>
        delay_level = <optimized out>
        buffer_size = <optimized out>
        c = <optimized out>
        local_getcjmp = {{
            __jmpbuf = {1, -582214358097902161, 1, 1, 140736156504144, 0, -582214357303081553, 
              -6719693885988977233},
            __mask_was_saved = 0,
            __saved_mask = {
              __val = {93824995415603, 0, 21, 0, 140737488343168, 55720, 0, 140736156504149, 0, 
                140736184043408, 20, 21, 1, 46909632806912, 13524637773301830912, 56}
            }
          }}
        save_jump = {{
            __jmpbuf = {0, 0, 0, 0, 0, 0, 0, 0},
            __mask_was_saved = 0,
            __saved_mask = {
              __val = {0 <repeats 16 times>}
            }
          }}
        tem = <optimized out>
        save = <optimized out>
        previous_echo_area_message = XIL(0)
        also_record = XIL(0)
        reread = false
        recorded = false
        polling_stopped_here = false
        orig_kboard = 0x555555d8fba0
        retry = <optimized out>
        jmpcount = <optimized out>
        c_volatile = XIL(0)
#16 0x0000555555701ed5 in read_key_sequence.constprop.0 (keybuf=keybuf@entry=0x7fffffffd4f0, 
    prevent_redisplay=prevent_redisplay@entry=false, disable_text_conversion_p=<optimized out>, 
    fix_current_buffer=<optimized out>, can_return_switch_frame=<optimized out>, 
    dont_downcase_last=<optimized out>, prompt=<optimized out>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:10892
        interrupted_kboard = 0x555555d8fba0
        interrupted_frame = <optimized out>
        key = <optimized out>
        used_mouse_menu = false
        echo_local_start = 0
        last_real_key_start = <optimized out>
        keys_local_start = 0
        new_binding = <optimized out>
        count = <optimized out>
--Type <RET> for more, q to quit, c to continue without paging--
        t = <optimized out>
        echo_start = 0
        keys_start = 0
        current_binding = XIL(0x7fffb2970ebb)
        first_unbound = 31
        mock_input = 0
        used_mouse_menu_history = {false <repeats 30 times>}
        fkey = {
          parent = <optimized out>,
          map = <optimized out>,
          start = 0,
          end = 0
        }
        keytran = {
          parent = <optimized out>,
          map = <optimized out>,
          start = 0,
          end = 0
        }
        indec = {
          parent = <optimized out>,
          map = <optimized out>,
          start = 0,
          end = 0
        }
        shift_translated = <optimized out>
        delayed_switch_frame = <optimized out>
        original_uppercase = <optimized out>
        original_uppercase_position = <optimized out>
        starting_buffer = <optimized out>
        fake_prefixed_keys = XIL(0)
        first_event = XIL(0)
        second_event = <optimized out>
        replay_key = <optimized out>
#17 0x00005555556ea097 in command_loop_1 ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1435
        keybuf = {make_fixnum(121), make_fixnum(9), make_fixnum(49), XIL(0xbbb12a65f17c5500), 
          XIL(0x555555b51000), XIL(0x7fffffffd5f0), XIL(0x1), make_fixnum(1000), XIL(0x80), 
          XIL(0x5555557aaad4), XIL(0x555555c8c700), XIL(0x555555982b90), XIL(0x7fffe06a8e80), 
          XIL(0x7fffeb80528b), XIL(0x7fffffffd5a0), XIL(0), XIL(0x555555c8c830), 
          XIL(0xbbb12a65f17c5500), XIL(0x17040), XIL(0x5555559766a4), XIL(0x7fffffffd620), 
          XIL(0x7fffe09c5b5d), XIL(0), XIL(0x5555557b4e77), XIL(0x555555c8c700), XIL(0x7fffeb80528b), 
          XIL(0), XIL(0x60), XIL(0xc), XIL(0xd008)}
        i = <optimized out>
        last_pt = <optimized out>
        count = <optimized out>
        cmd = <optimized out>
        prev_modiff = 1174
        prev_buffer = 0x7fffb09d9050
#18 0x00005555557a58f4 in internal_condition_case (bfun=0x5555556e9ed0 <command_loop_1>, 
    handlers=<optimized out>, hfun=0x5555556e0a10 <cmd_error>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1643
        val = <optimized out>
--Type <RET> for more, q to quit, c to continue without paging--
        c = 0x555555c8c700
#19 0x00005555556e0d06 in command_loop_2 (handlers=XIL(0xa8))
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1174
        val = <optimized out>
#20 0x00005555557a579d in internal_catch (tag=<optimized out>, func=0x5555556e0ce0 <command_loop_2>, 
    arg=XIL(0xa8)) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1323
        val = <optimized out>
        c = 0x555555c8c570
#21 0x00005555556e0da3 in command_loop ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1152
No locals.
#22 0x00005555556e2bc4 in recursive_edit_1.isra.0 ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:760
        count = <optimized out>
        val = <optimized out>
#23 0x00005555556e9ea4 in Frecursive_edit ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:843
        count = <optimized out>
        buffer = <optimized out>
#24 0x00005555555b02a2 in main (argc=<optimized out>, argv=0x7fffffffdbe8)
    at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:2604
        stack_bottom_variable = 0x0
        old_argc = <optimized out>
        dump_file = 0x0
        no_loadup = <optimized out>
        junk = 0x0
        dname_arg = 0x0
        ch_to_dir = 0x0
        original_pwd = 0x0
        dump_mode = 0x0
        skip_args = 0
        temacs = 0x0
        attempt_load_pdump = <optimized out>
        only_version = false
        rlim = {
          rlim_cur = 10022912,
          rlim_max = 18446744073709551615
        }
        lc_all = <optimized out>
        sockfd = -1
        module_assertions = <optimized out>
        

- Second crash:

(gdb) bt
#0  terminate_due_to_signal (sig=11, backtrace_limit=40) at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:443
#1  0x00005555555a2e2f in handle_fatal_signal (sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1793
#2  deliver_thread_signal (handler=<optimized out>, sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1785
#3  deliver_fatal_thread_signal (sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1805
#4  handle_sigsegv (sig=11, siginfo=0x555555acc4b0 <sigsegv_stack+64528>, arg=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1943
#5  <signal handler called>
#6  0x00007ffff34de0fb in __GI_kill () at ../sysdeps/unix/syscall-template.S:120
#7  0x0000555555964d57 in sigHandle ()
#8  <signal handler called>
#9  pgtk_handle_selection_request (event=0x7fffffffc780) at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:585
#10 0x00005555556e4185 in pgtk_handle_selection_event (event=0x7fffffffc780) at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:796
#11 process_special_events () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4581
#12 0x00005555556e540e in swallow_events (do_display=true) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4621
#13 0x000055555583ecc2 in wait_reading_process_output.constprop.1 (time_limit=<optimized out>, nsecs=nsecs@entry=0, read_kbd=read_kbd@entry=-1, do_display=true, just_wait_proc=<optimized out>, 
    wait_proc=<optimized out>, wait_for_cell=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/process.c:5865
#14 0x00005555555c1f10 in sit_for (timeout=<optimized out>, reading=<optimized out>, display_option=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/dispnew.c:7007
#15 0x00005555556e992d in read_char (commandflag=1, map=0x7fffb64f0143, prev_event=0x0, used_mouse_menu=0x7fffffffd34b, end_time=0x0) at /home/reitero/build/sources/emacs/emacs_debug/src/lisp.h:762
#16 0x0000555555701ed5 in read_key_sequence.constprop.0 (keybuf=keybuf@entry=0x7fffffffd4f0, prevent_redisplay=prevent_redisplay@entry=false, disable_text_conversion_p=<optimized out>, 
    fix_current_buffer=<optimized out>, can_return_switch_frame=<optimized out>, dont_downcase_last=<optimized out>, prompt=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:10892
#17 0x00005555556ea097 in command_loop_1 () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1435
#18 0x00005555557a58f4 in internal_condition_case (bfun=0x5555556e9ed0 <command_loop_1>, handlers=<optimized out>, hfun=0x5555556e0a10 <cmd_error>) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1643
#19 0x00005555556e0d06 in command_loop_2 (handlers=0xa8) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1174
#20 0x00005555557a579d in internal_catch (tag=<optimized out>, func=0x5555556e0ce0 <command_loop_2>, arg=0xa8) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1323
#21 0x00005555556e0da3 in command_loop () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1152
#22 0x00005555556e2bc4 in recursive_edit_1.isra.0 () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:760
#23 0x00005555556e9ea4 in Frecursive_edit () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:843
#24 0x00005555555b02a2 in main (argc=<optimized out>, argv=0x7fffffffdbe8) at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:2604
(gdb) bt full
#0  terminate_due_to_signal (sig=11, backtrace_limit=40) at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:443
No locals.
#1  0x00005555555a2e2f in handle_fatal_signal (sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1793
No locals.
#2  deliver_thread_signal (handler=<optimized out>, sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1785
        old_errno = <optimized out>
#3  deliver_fatal_thread_signal (sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1805
No locals.
#4  handle_sigsegv (sig=11, siginfo=0x555555acc4b0 <sigsegv_stack+64528>, arg=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1943
        fatal = <optimized out>
#5  <signal handler called>
No locals.
#6  0x00007ffff34de0fb in __GI_kill () at ../sysdeps/unix/syscall-template.S:120
No locals.
#7  0x0000555555964d57 in sigHandle ()
No symbol table info available.
#8  <signal handler called>
No locals.
#9  pgtk_handle_selection_request (event=0x7fffffffc780) at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:585
        local_selection_time = <optimized out>
        dpyinfo = 0x55ec28e0
        selection = 0x45
        selection_symbol = 0x1c0
        target = <optimized out>
        target_symbol = 0x3f00
        property = 0x5e
        local_selection_data = <optimized out>
        success = false
        count = <optimized out>
        pushed = false
        alias = <optimized out>
        tem = <optimized out>
        DONE = <optimized out>
#10 0x00005555556e4185 in pgtk_handle_selection_event (event=0x7fffffffc780) at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:796
No locals.
#11 process_special_events () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4581
        event = 0x555555a3ee80 <kbd_buffer+4096>
        copy = {kind = SELECTION_REQUEST_EVENT, dpyinfo = 0x55ec28e0, requestor = 0x555555dd7730, selection = 0x45, target = 0x4d, property = 0x5e, time = 0}
        moved_events = <optimized out>
#12 0x00005555556e540e in swallow_events (do_display=true) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4621
        old_timers_run = <optimized out>
#13 0x000055555583ecc2 in wait_reading_process_output.constprop.1 (time_limit=<optimized out>, nsecs=nsecs@entry=0, read_kbd=read_kbd@entry=-1, do_display=true, just_wait_proc=<optimized out>, 
    wait_proc=<optimized out>, wait_for_cell=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/process.c:5865
        leave = false
        wrapped = <optimized out>
        read_some_bytes = <optimized out>
        count = <optimized out>
        process_skipped = <optimized out>
        channel_start = <optimized out>
        child_fd = <optimized out>
        nread = <optimized out>
        channel = <optimized out>
        nfds = <optimized out>
        Available = {fds_bits = {0 <repeats 16 times>}}
--Type <RET> for more, q to quit, c to continue without paging--
        Writeok = {fds_bits = {0 <repeats 16 times>}}
        check_write = true
        check_delay = <optimized out>
        no_avail = true
        xerrno = 11
        proc = <optimized out>
        timeout = {tv_sec = 30, tv_nsec = 0}
        end_time = {tv_sec = 1747293907, tv_nsec = 792267659}
        timer_delay = <optimized out>
        got_output_end_time = <optimized out>
        wait = <optimized out>
        got_some_output = <optimized out>
        prev_wait_proc_nbytes_read = <optimized out>
        retry_for_async = <optimized out>
        count = <optimized out>
        now = <optimized out>
        last_read_channel = <optimized out>
        MINIMUM = MINIMUM
        TIMEOUT = TIMEOUT
        FOREVER = FOREVER
#14 0x00005555555c1f10 in sit_for (timeout=<optimized out>, reading=<optimized out>, display_option=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/dispnew.c:7007
        sec = <optimized out>
        nsec = 0
        do_display = <optimized out>
        curbuf_eq_winbuf = true
        nbytes = <optimized out>
#15 0x00005555556e992d in read_char (commandflag=1, map=0x7fffb64f0143, prev_event=0x0, used_mouse_menu=0x7fffffffd34b, end_time=0x0) at /home/reitero/build/sources/emacs/emacs_debug/src/lisp.h:762
        tem0 = <optimized out>
        timeout = <optimized out>
        count1 = <optimized out>
        delay_level = <optimized out>
        buffer_size = <optimized out>
        c = <optimized out>
        local_getcjmp = {{__jmpbuf = {1, -5836420809289825763, 1, 1, 140737020785336, 0, -5836420809044458979, -408267284823997923}, __mask_was_saved = 0, __saved_mask = {__val = {19934, 0, 140737020785336, 
                140737020785336, 0, 140737488343168, 0, 79734, 140737020785341, 140736250486800, 19932, 19934, 1, 46909632806912, 13347250942112852736, 140737488343248}}}}
        save_jump = {{__jmpbuf = {0, 0, 0, 0, 0, 0, 0, 0}, __mask_was_saved = 0, __saved_mask = {__val = {0 <repeats 16 times>}}}}
        tem = <optimized out>
        save = <optimized out>
        previous_echo_area_message = 0x0
        also_record = 0x0
        reread = false
        recorded = false
        polling_stopped_here = false
        orig_kboard = 0x555555d8f130
        retry = <optimized out>
        jmpcount = <optimized out>
        c_volatile = 0x0
#16 0x0000555555701ed5 in read_key_sequence.constprop.0 (keybuf=keybuf@entry=0x7fffffffd4f0, prevent_redisplay=prevent_redisplay@entry=false, disable_text_conversion_p=<optimized out>, 
    fix_current_buffer=<optimized out>, can_return_switch_frame=<optimized out>, dont_downcase_last=<optimized out>, prompt=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:10892
        interrupted_kboard = 0x555555d8f130
        interrupted_frame = <optimized out>
        key = <optimized out>
        used_mouse_menu = false
        echo_local_start = 0
--Type <RET> for more, q to quit, c to continue without paging--
        last_real_key_start = <optimized out>
        keys_local_start = 0
        new_binding = <optimized out>
        count = <optimized out>
        t = <optimized out>
        echo_start = 0
        keys_start = 0
        current_binding = 0x7fffb64f0143
        first_unbound = 31
        mock_input = 0
        used_mouse_menu_history = {false <repeats 30 times>}
        fkey = {parent = <optimized out>, map = <optimized out>, start = 0, end = 0}
        keytran = {parent = <optimized out>, map = <optimized out>, start = 0, end = 0}
        indec = {parent = <optimized out>, map = <optimized out>, start = 0, end = 0}
        shift_translated = <optimized out>
        delayed_switch_frame = <optimized out>
        original_uppercase = <optimized out>
        original_uppercase_position = <optimized out>
        starting_buffer = <optimized out>
        fake_prefixed_keys = 0x0
        first_event = 0x0
        second_event = <optimized out>
        replay_key = <optimized out>
#17 0x00005555556ea097 in command_loop_1 () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1435
        keybuf = {0x1e6, 0x196, 0x18a, 0xb93af603dca26b00, 0x555555b51000, 0x7fffffffd5f0, 0x1, 0xfa2, 0x80, 0x5555557aaad4 <eval_sub+1828>, 0x555555c8c700, 0x555555982b90, 0x7fffe06a8e80, 0x7fffe19f86ab, 
          0x7fffffffd5a0, 0x0, 0x555555c8c830, 0xb93af603dca26b00, 0x17040, 0x5555559766a4, 0x7fffffffd620, 0x7fffe09c5b5d, 0x0, 0x5555557b4e77 <unbind_to+775>, 0x555555c8c700, 0x7fffe19f86ab, 0x0, 0x60, 0xc, 
          0xd008}
        i = <optimized out>
        last_pt = <optimized out>
        count = <optimized out>
        cmd = <optimized out>
        prev_modiff = 2621
        prev_buffer = 0x7fffe42172b8
#18 0x00005555557a58f4 in internal_condition_case (bfun=0x5555556e9ed0 <command_loop_1>, handlers=<optimized out>, hfun=0x5555556e0a10 <cmd_error>) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1643
        val = <optimized out>
        c = 0x555555c8c700
#19 0x00005555556e0d06 in command_loop_2 (handlers=0xa8) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1174
        val = <optimized out>
#20 0x00005555557a579d in internal_catch (tag=<optimized out>, func=0x5555556e0ce0 <command_loop_2>, arg=0xa8) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1323
        val = <optimized out>
        c = 0x555555c8c570
#21 0x00005555556e0da3 in command_loop () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1152
No locals.
#22 0x00005555556e2bc4 in recursive_edit_1.isra.0 () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:760
        count = <optimized out>
        val = <optimized out>
#23 0x00005555556e9ea4 in Frecursive_edit () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:843
        count = <optimized out>
        buffer = <optimized out>
#24 0x00005555555b02a2 in main (argc=<optimized out>, argv=0x7fffffffdbe8) at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:2604
        stack_bottom_variable = 0x0
        old_argc = <optimized out>
        dump_file = 0x0
        no_loadup = <optimized out>
--Type <RET> for more, q to quit, c to continue without paging--
        junk = 0x0
        dname_arg = 0x0
        ch_to_dir = 0x0
        original_pwd = 0x0
        dump_mode = 0x0
        skip_args = 0
        temacs = 0x0
        attempt_load_pdump = <optimized out>
        only_version = false
        rlim = {rlim_cur = 10022912, rlim_max = 18446744073709551615}
        lc_all = <optimized out>
        sockfd = -1
        module_assertions = <optimized out>

- Third crash:

(gdb) bt
#0  terminate_due_to_signal (sig=11, backtrace_limit=40)
    at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:443
#1  0x00005555555a2e2f in handle_fatal_signal (sig=11)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1793
#2  deliver_thread_signal (handler=<optimized out>, sig=11)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1785
#3  deliver_fatal_thread_signal (sig=11)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1805
#4  handle_sigsegv (sig=11, siginfo=0x555555acc4b0 <sigsegv_stack+64528>, arg=<optimized out>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1943
#5  <signal handler called>
#6  0x00007ffff34de0fb in __GI_kill () at ../sysdeps/unix/syscall-template.S:120
#7  0x0000555555964d57 in sigHandle ()
#8  <signal handler called>
#9  pgtk_handle_selection_request (event=0x7fffffffc780)
    at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:585
#10 0x00005555556e4185 in pgtk_handle_selection_event (event=0x7fffffffc780)
    at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:796
#11 process_special_events () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4581
#12 0x00005555556e540e in swallow_events (do_display=true)
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4621
#13 0x000055555583ecc2 in wait_reading_process_output.constprop.1 (time_limit=<optimized out>, 
    nsecs=nsecs@entry=0, read_kbd=read_kbd@entry=-1, do_display=true, just_wait_proc=<optimized out>, 
    wait_proc=<optimized out>, wait_for_cell=<optimized out>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/process.c:5865
#14 0x00005555555c1f10 in sit_for (timeout=<optimized out>, reading=<optimized out>, 
    display_option=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/dispnew.c:7007
#15 0x00005555556e992d in read_char (commandflag=1, map=0x7fffe4833deb, prev_event=0x0, 
    used_mouse_menu=0x7fffffffd34b, end_time=0x0)
    at /home/reitero/build/sources/emacs/emacs_debug/src/lisp.h:762
#16 0x0000555555701ed5 in read_key_sequence.constprop.0 (keybuf=keybuf@entry=0x7fffffffd4f0, 
    prevent_redisplay=prevent_redisplay@entry=false, disable_text_conversion_p=<optimized out>, 
    fix_current_buffer=<optimized out>, can_return_switch_frame=<optimized out>, 
    dont_downcase_last=<optimized out>, prompt=<optimized out>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:10892
#17 0x00005555556ea097 in command_loop_1 ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1435
#18 0x00005555557a58f4 in internal_condition_case (bfun=0x5555556e9ed0 <command_loop_1>, 
    handlers=<optimized out>, hfun=0x5555556e0a10 <cmd_error>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1643
#19 0x00005555556e0d06 in command_loop_2 (handlers=0xa8)
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1174
#20 0x00005555557a579d in internal_catch (tag=<optimized out>, func=0x5555556e0ce0 <command_loop_2>, 
    arg=0xa8) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1323
#21 0x00005555556e0da3 in command_loop ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1152
#22 0x00005555556e2bc4 in recursive_edit_1.isra.0 ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:760
#23 0x00005555556e9ea4 in Frecursive_edit ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:843
#24 0x00005555555b02a2 in main (argc=<optimized out>, argv=0x7fffffffdbe8)
    at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:2604
(gdb) bt full
#0  terminate_due_to_signal (sig=11, backtrace_limit=40)
    at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:443
No locals.
#1  0x00005555555a2e2f in handle_fatal_signal (sig=11)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1793
No locals.
#2  deliver_thread_signal (handler=<optimized out>, sig=11)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1785
        old_errno = <optimized out>
#3  deliver_fatal_thread_signal (sig=11)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1805
No locals.
#4  handle_sigsegv (sig=11, siginfo=0x555555acc4b0 <sigsegv_stack+64528>, arg=<optimized out>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1943
        fatal = <optimized out>
#5  <signal handler called>
No locals.
#6  0x00007ffff34de0fb in __GI_kill () at ../sysdeps/unix/syscall-template.S:120
No locals.
#7  0x0000555555964d57 in sigHandle ()
No symbol table info available.
#8  <signal handler called>
No locals.
#9  pgtk_handle_selection_request (event=0x7fffffffc780)
    at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:585
        local_selection_time = <optimized out>
        dpyinfo = 0x55d88870
        selection = 0x45
        selection_symbol = 0x1c0
        target = <optimized out>
        target_symbol = 0x3f00
        property = 0x5e
        local_selection_data = <optimized out>
        success = false
        count = <optimized out>
        pushed = false
        alias = <optimized out>
        tem = <optimized out>
        DONE = <optimized out>
#10 0x00005555556e4185 in pgtk_handle_selection_event (event=0x7fffffffc780)
    at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:796
No locals.
#11 process_special_events () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4581
        event = 0x555555a3fac0 <kbd_buffer+7232>
        copy = {
          kind = SELECTION_REQUEST_EVENT,
          dpyinfo = 0x55d88870,
          requestor = 0x555555dfea60,
          selection = 0x45,
          target = 0x4d,
          property = 0x5e,
          time = 0
        }
--Type <RET> for more, q to quit, c to continue without paging--
        moved_events = <optimized out>
#12 0x00005555556e540e in swallow_events (do_display=true)
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4621
        old_timers_run = <optimized out>
#13 0x000055555583ecc2 in wait_reading_process_output.constprop.1 (time_limit=<optimized out>, 
    nsecs=nsecs@entry=0, read_kbd=read_kbd@entry=-1, do_display=true, just_wait_proc=<optimized out>, 
    wait_proc=<optimized out>, wait_for_cell=<optimized out>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/process.c:5865
        leave = false
        wrapped = <optimized out>
        read_some_bytes = <optimized out>
        count = <optimized out>
        process_skipped = <optimized out>
        channel_start = <optimized out>
        child_fd = <optimized out>
        nread = <optimized out>
        channel = <optimized out>
        nfds = <optimized out>
        Available = {
          fds_bits = {0 <repeats 16 times>}
        }
        Writeok = {
          fds_bits = {0 <repeats 16 times>}
        }
        check_write = true
        check_delay = <optimized out>
        no_avail = true
        xerrno = 11
        proc = <optimized out>
        timeout = {
          tv_sec = 30,
          tv_nsec = 0
        }
        end_time = {
          tv_sec = 1747512846,
          tv_nsec = 273431863
        }
        timer_delay = <optimized out>
        got_output_end_time = <optimized out>
        wait = <optimized out>
        got_some_output = <optimized out>
        prev_wait_proc_nbytes_read = <optimized out>
        retry_for_async = <optimized out>
        count = <optimized out>
        now = <optimized out>
        last_read_channel = <optimized out>
        MINIMUM = MINIMUM
        TIMEOUT = TIMEOUT
        FOREVER = FOREVER
#14 0x00005555555c1f10 in sit_for (timeout=<optimized out>, reading=<optimized out>, 
    display_option=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/dispnew.c:7007
        sec = <optimized out>
        nsec = 0
--Type <RET> for more, q to quit, c to continue without paging--
        do_display = <optimized out>
        curbuf_eq_winbuf = true
        nbytes = <optimized out>
#15 0x00005555556e992d in read_char (commandflag=1, map=0x7fffe4833deb, prev_event=0x0, 
    used_mouse_menu=0x7fffffffd34b, end_time=0x0)
    at /home/reitero/build/sources/emacs/emacs_debug/src/lisp.h:762
        tem0 = <optimized out>
        timeout = <optimized out>
        count1 = <optimized out>
        delay_level = <optimized out>
        buffer_size = <optimized out>
        c = <optimized out>
        local_getcjmp = {{
            __jmpbuf = {1, -5998025564981620853, 1, 1, 140736996195832, 0, -5998025564165828725, 
              -461638048342536309},
            __mask_was_saved = 0,
            __saved_mask = {
              __val = {2767, 0, 140736996195832, 140736996195832, 0, 140737488343168, 0, 11066, 
                140736996195837, 140736997292160, 2765, 2767, 1, 140733193388032, 1378613490129614848, 
                192}
            }
          }}
        save_jump = {{
            __jmpbuf = {0, 0, 0, 0, 0, 0, 0, 0},
            __mask_was_saved = 0,
            __saved_mask = {
              __val = {0 <repeats 16 times>}
            }
          }}
        tem = <optimized out>
        save = <optimized out>
        previous_echo_area_message = 0x0
        also_record = 0x0
        reread = false
        recorded = false
        polling_stopped_here = false
        orig_kboard = 0x555555d8ebb0
        retry = <optimized out>
        jmpcount = <optimized out>
        c_volatile = 0x0
#16 0x0000555555701ed5 in read_key_sequence.constprop.0 (keybuf=keybuf@entry=0x7fffffffd4f0, 
    prevent_redisplay=prevent_redisplay@entry=false, disable_text_conversion_p=<optimized out>, 
    fix_current_buffer=<optimized out>, can_return_switch_frame=<optimized out>, 
    dont_downcase_last=<optimized out>, prompt=<optimized out>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:10892
        interrupted_kboard = 0x555555d8ebb0
        interrupted_frame = <optimized out>
        key = <optimized out>
        used_mouse_menu = false
        echo_local_start = 0
        last_real_key_start = <optimized out>
        keys_local_start = 0
        new_binding = <optimized out>
--Type <RET> for more, q to quit, c to continue without paging--
        count = <optimized out>
        t = <optimized out>
        echo_start = 0
        keys_start = 0
        current_binding = 0x7fffe4833deb
        first_unbound = 31
        mock_input = 0
        used_mouse_menu_history = {false <repeats 30 times>}
        fkey = {
          parent = <optimized out>,
          map = <optimized out>,
          start = 0,
          end = 0
        }
        keytran = {
          parent = <optimized out>,
          map = <optimized out>,
          start = 0,
          end = 0
        }
        indec = {
          parent = <optimized out>,
          map = <optimized out>,
          start = 0,
          end = 0
        }
        shift_translated = <optimized out>
        delayed_switch_frame = <optimized out>
        original_uppercase = <optimized out>
        original_uppercase_position = <optimized out>
        starting_buffer = <optimized out>
        fake_prefixed_keys = 0x0
        first_event = 0x0
        second_event = <optimized out>
        replay_key = <optimized out>
#17 0x00005555556ea097 in command_loop_1 ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1435
        keybuf = {0x192, 0xea, 0x1d2, 0x7fffe780d3e5, 0x0, 0x5555557b6137 <unbind_to.constprop.0+743>, 
          0x0, 0x1321d1aa41bcb800, 0xc, 0x13dd8, 0x38, 0x7fffe780d3e5, 0x0, 0x60, 0x1, 0xfa2, 0x0, 
          0x0, 0x0, 0x5555556e0c26 <cmd_error+534>, 0x0, 0x0, 0x0, 0x0, 0x2aaa92d81fb0, 
          0x7fffe3352f73, 0x7fffe8800004, 0x0, 0x0, 0xd008}
        i = <optimized out>
        last_pt = <optimized out>
        count = <optimized out>
        cmd = <optimized out>
        prev_modiff = 1100
        prev_buffer = 0x7fffe2aa3df8
#18 0x00005555557a58f4 in internal_condition_case (bfun=0x5555556e9ed0 <command_loop_1>, 
    handlers=<optimized out>, hfun=0x5555556e0a10 <cmd_error>)
    at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1643
        val = <optimized out>
        c = 0x555555c8c700
#19 0x00005555556e0d06 in command_loop_2 (handlers=0xa8)
--Type <RET> for more, q to quit, c to continue without paging--
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1174
        val = <optimized out>
#20 0x00005555557a579d in internal_catch (tag=<optimized out>, func=0x5555556e0ce0 <command_loop_2>, 
    arg=0xa8) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1323
        val = <optimized out>
        c = 0x555555c8c570
#21 0x00005555556e0da3 in command_loop ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1152
No locals.
#22 0x00005555556e2bc4 in recursive_edit_1.isra.0 ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:760
        count = <optimized out>
        val = <optimized out>
#23 0x00005555556e9ea4 in Frecursive_edit ()
    at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:843
        count = <optimized out>
        buffer = <optimized out>
#24 0x00005555555b02a2 in main (argc=<optimized out>, argv=0x7fffffffdbe8)
    at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:2604
        stack_bottom_variable = 0x0
        old_argc = <optimized out>
        dump_file = 0x0
        no_loadup = <optimized out>
        junk = 0x0
        dname_arg = 0x0
        ch_to_dir = 0x0
        original_pwd = 0x0
        dump_mode = 0x0
        skip_args = 0
        temacs = 0x0
        attempt_load_pdump = <optimized out>
        only_version = false
        rlim = {
          rlim_cur = 10022912,
          rlim_max = 18446744073709551615
        }
        lc_all = <optimized out>
        sockfd = -1
        module_assertions = <optimized out>

- Fourth crash:

(gdb) bt
#0  terminate_due_to_signal (sig=11, backtrace_limit=40) at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:443
#1  0x00005555555a2e2f in handle_fatal_signal (sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1793
#2  deliver_thread_signal (handler=<optimized out>, sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1785
#3  deliver_fatal_thread_signal (sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1805
#4  handle_sigsegv (sig=11, siginfo=0x555555acc4b0 <sigsegv_stack+64528>, arg=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1943
#5  <signal handler called>
#6  0x00007ffff34de0fb in __GI_kill () at ../sysdeps/unix/syscall-template.S:120
#7  0x0000555555964d57 in sigHandle ()
#8  <signal handler called>
#9  0x00005555558e3ff8 in pgtk_handle_selection_clear (event=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:754
#10 0x00005555556e416e in pgtk_handle_selection_event (event=0x7fffffffc780) at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:794
#11 process_special_events () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4581
#12 0x00005555556e540e in swallow_events (do_display=true) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4621
#13 0x000055555583ecc2 in wait_reading_process_output.constprop.1 (time_limit=<optimized out>, nsecs=nsecs@entry=0, read_kbd=read_kbd@entry=-1, do_display=true, just_wait_proc=<optimized out>, 
    wait_proc=<optimized out>, wait_for_cell=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/process.c:5865
#14 0x00005555555c1f10 in sit_for (timeout=<optimized out>, reading=<optimized out>, display_option=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/dispnew.c:7007
#15 0x00005555556e992d in read_char (commandflag=1, map=0x7fffb5b54d0b, prev_event=0x0, used_mouse_menu=0x7fffffffd34b, end_time=0x0) at /home/reitero/build/sources/emacs/emacs_debug/src/lisp.h:762
#16 0x0000555555701ed5 in read_key_sequence.constprop.0 (keybuf=keybuf@entry=0x7fffffffd4f0, prevent_redisplay=prevent_redisplay@entry=false, disable_text_conversion_p=<optimized out>, 
    fix_current_buffer=<optimized out>, can_return_switch_frame=<optimized out>, dont_downcase_last=<optimized out>, prompt=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:10892
#17 0x00005555556ea097 in command_loop_1 () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1435
#18 0x00005555557a58f4 in internal_condition_case (bfun=0x5555556e9ed0 <command_loop_1>, handlers=<optimized out>, hfun=0x5555556e0a10 <cmd_error>) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1643
#19 0x00005555556e0d06 in command_loop_2 (handlers=0xa8) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1174
#20 0x00005555557a579d in internal_catch (tag=<optimized out>, func=0x5555556e0ce0 <command_loop_2>, arg=0xa8) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1323
#21 0x00005555556e0da3 in command_loop () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1152
#22 0x00005555556e2bc4 in recursive_edit_1.isra.0 () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:760
#23 0x00005555556e9ea4 in Frecursive_edit () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:843
#24 0x00005555555b02a2 in main (argc=<optimized out>, argv=0x7fffffffdbe8) at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:2604
(gdb) bt full
#0  terminate_due_to_signal (sig=11, backtrace_limit=40) at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:443
No locals.
#1  0x00005555555a2e2f in handle_fatal_signal (sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1793
No locals.
#2  deliver_thread_signal (handler=<optimized out>, sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1785
        old_errno = <optimized out>
#3  deliver_fatal_thread_signal (sig=11) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1805
No locals.
#4  handle_sigsegv (sig=11, siginfo=0x555555acc4b0 <sigsegv_stack+64528>, arg=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/sysdep.c:1943
        fatal = <optimized out>
#5  <signal handler called>
No locals.
#6  0x00007ffff34de0fb in __GI_kill () at ../sysdeps/unix/syscall-template.S:120
No locals.
#7  0x0000555555964d57 in sigHandle ()
No symbol table info available.
#8  <signal handler called>
No locals.
#9  0x00005555558e3ff8 in pgtk_handle_selection_clear (event=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:754
        selection = <optimized out>
        changed_owner_time = 0
        selection_symbol = <optimized out>
        local_selection_data = <optimized out>
        local_selection_time = <optimized out>
        dpyinfo = <optimized out>
        Vselection_alist = <optimized out>
#10 0x00005555556e416e in pgtk_handle_selection_event (event=0x7fffffffc780) at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:794
No locals.
#11 process_special_events () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4581
        event = 0x555555a45700 <kbd_buffer+30848>
        copy = {
          kind = SELECTION_CLEAR_EVENT,
          dpyinfo = 0x55ec3a10,
          requestor = 0x0,
          selection = 0x1,
          target = 0x0,
          property = 0x0,
          time = 0
        }
        moved_events = <optimized out>
#12 0x00005555556e540e in swallow_events (do_display=true) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:4621
        old_timers_run = <optimized out>
#13 0x000055555583ecc2 in wait_reading_process_output.constprop.1 (time_limit=<optimized out>, nsecs=nsecs@entry=0, read_kbd=read_kbd@entry=-1, do_display=true, just_wait_proc=<optimized out>, 
    wait_proc=<optimized out>, wait_for_cell=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/process.c:5865
        leave = false
        wrapped = <optimized out>
        read_some_bytes = <optimized out>
        count = <optimized out>
        process_skipped = <optimized out>
        channel_start = <optimized out>
        child_fd = <optimized out>
        nread = <optimized out>
        channel = <optimized out>
        nfds = <optimized out>
        Available = {
          fds_bits = {16, 0 <repeats 15 times>}
        }
        Writeok = {
          fds_bits = {0 <repeats 16 times>}
        }
        check_write = true
        check_delay = <optimized out>
        no_avail = false
        xerrno = 11
        proc = <optimized out>
        timeout = {
          tv_sec = 0,
          tv_nsec = 0
        }
        end_time = {
          tv_sec = 1747513208,
          tv_nsec = 284070002
        }
        timer_delay = <optimized out>
        got_output_end_time = <optimized out>
        wait = <optimized out>
        got_some_output = <optimized out>
        prev_wait_proc_nbytes_read = <optimized out>
        retry_for_async = <optimized out>
        count = <optimized out>
        now = <optimized out>
        last_read_channel = <optimized out>
        MINIMUM = MINIMUM
        TIMEOUT = TIMEOUT
        FOREVER = FOREVER
#14 0x00005555555c1f10 in sit_for (timeout=<optimized out>, reading=<optimized out>, display_option=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/dispnew.c:7007
        sec = <optimized out>
        nsec = 0
        do_display = <optimized out>
        curbuf_eq_winbuf = true
        nbytes = <optimized out>
#15 0x00005555556e992d in read_char (commandflag=1, map=0x7fffb5b54d0b, prev_event=0x0, used_mouse_menu=0x7fffffffd34b, end_time=0x0) at /home/reitero/build/sources/emacs/emacs_debug/src/lisp.h:762
        tem0 = <optimized out>
        timeout = <optimized out>
        count1 = <optimized out>
        delay_level = <optimized out>
        buffer_size = <optimized out>
        c = <optimized out>
        local_getcjmp = {{
            __jmpbuf = {1, 3558834140431439861, 1, 1, 93824997414592, 0, 3558834140672612341, 7221189849292789749},
            __mask_was_saved = 0,
            __saved_mask = {
              __val = {336, 0, 140737015262712, 140737015262712, 0, 140737488343168, 0, 1342, 140737015262717, 140736438884208, 334, 336, 1, 46909632806912, 14698558908229720064, 192}
            }
          }}
        save_jump = {{
            __jmpbuf = {0, 0, 0, 0, 0, 0, 0, 0},
            __mask_was_saved = 0,
            __saved_mask = {
              __val = {0 <repeats 16 times>}
            }
          }}
        tem = <optimized out>
        save = <optimized out>
        previous_echo_area_message = 0x0
        also_record = 0x0
        reread = false
        recorded = false
        polling_stopped_here = false
        orig_kboard = 0x555555d8f2e0
        retry = <optimized out>
        jmpcount = <optimized out>
        c_volatile = 0x0
#16 0x0000555555701ed5 in read_key_sequence.constprop.0 (keybuf=keybuf@entry=0x7fffffffd4f0, prevent_redisplay=prevent_redisplay@entry=false, disable_text_conversion_p=<optimized out>, 
    fix_current_buffer=<optimized out>, can_return_switch_frame=<optimized out>, dont_downcase_last=<optimized out>, prompt=<optimized out>) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:10892
        interrupted_kboard = 0x555555d8f2e0
        interrupted_frame = <optimized out>
        key = <optimized out>
        used_mouse_menu = false
        echo_local_start = 0
        last_real_key_start = <optimized out>
        keys_local_start = 0
        new_binding = <optimized out>
        count = <optimized out>
        t = <optimized out>
        echo_start = 0
        keys_start = 0
        current_binding = 0x7fffb5b54d0b
        first_unbound = 31
        mock_input = 0
        used_mouse_menu_history = {false <repeats 30 times>}
        fkey = {
          parent = <optimized out>,
          map = <optimized out>,
          start = 0,
          end = 0
        }
        keytran = {
          parent = <optimized out>,
          map = <optimized out>,
          start = 0,
          end = 0
        }
        indec = {
          parent = <optimized out>,
          map = <optimized out>,
          start = 0,
          end = 0
        }
        shift_translated = <optimized out>
        delayed_switch_frame = <optimized out>
        original_uppercase = <optimized out>
        original_uppercase_position = <optimized out>
        starting_buffer = <optimized out>
        fake_prefixed_keys = 0x0
        first_event = 0x0
        second_event = <optimized out>
        replay_key = <optimized out>
#17 0x00005555556ea097 in command_loop_1 () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1435
        keybuf = {0x1aa, 0x82, 0x192, 0x7fffe78113e5, 0x0, 0x5555557b6137 <unbind_to.constprop.0+743>, 0x0, 0xcbfbc573632f9800, 0xc, 0x13dd8, 0x38, 0x7fffe78113e5, 0x0, 0x60, 0x1, 0xfa2, 0x0, 0x0, 0x0, 
          0x5555556e0c26 <cmd_error+534>, 0x0, 0x0, 0x0, 0x0, 0x2aaa92d81fb0, 0x7fffe5aaa5eb, 0x7fffe8800004, 0x0, 0x0, 0xd008}
        i = <optimized out>
        last_pt = <optimized out>
        count = <optimized out>
        cmd = <optimized out>
        prev_modiff = 1985
        prev_buffer = 0x7fffe3cd2df8
#18 0x00005555557a58f4 in internal_condition_case (bfun=0x5555556e9ed0 <command_loop_1>, handlers=<optimized out>, hfun=0x5555556e0a10 <cmd_error>) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1643
        val = <optimized out>
        c = 0x555555c8c700
#19 0x00005555556e0d06 in command_loop_2 (handlers=0xa8) at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1174
        val = <optimized out>
#20 0x00005555557a579d in internal_catch (tag=<optimized out>, func=0x5555556e0ce0 <command_loop_2>, arg=0xa8) at /home/reitero/build/sources/emacs/emacs_debug/src/eval.c:1323
        val = <optimized out>
        c = 0x555555c8c570
#21 0x00005555556e0da3 in command_loop () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:1152
No locals.
#22 0x00005555556e2bc4 in recursive_edit_1.isra.0 () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:760
        count = <optimized out>
        val = <optimized out>
#23 0x00005555556e9ea4 in Frecursive_edit () at /home/reitero/build/sources/emacs/emacs_debug/src/keyboard.c:843
        count = <optimized out>
        buffer = <optimized out>
#24 0x00005555555b02a2 in main (argc=<optimized out>, argv=0x7fffffffdbe8) at /home/reitero/build/sources/emacs/emacs_debug/src/emacs.c:2604
        stack_bottom_variable = 0x0
        old_argc = <optimized out>
        dump_file = 0x0
        no_loadup = <optimized out>
        junk = 0x0
        dname_arg = 0x0
        ch_to_dir = 0x0
        original_pwd = 0x0
        dump_mode = 0x0
        skip_args = 0
        temacs = 0x0
        attempt_load_pdump = <optimized out>
        only_version = false
        rlim = {
          rlim_cur = 10022912,
          rlim_max = 18446744073709551615
        }
        lc_all = <optimized out>
        sockfd = -1
        module_assertions = <optimized out>



In GNU Emacs 31.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
 3.24.49, cairo version 1.18.4) of 2025-05-14 built on wilap
Repository revision: 2ef5b055f50d61fea59b54f87dbfd548e7a8b53d
Repository branch: feature/igc
System Description: Arch Linux

Configured using:
 'configure 'CFLAGS=-g3 -ggdb -O3 -mtune=native -march=native
 -fomit-frame-pointer' CPPFLAGS=-I/home/reitero/.local/lib/mps
 LDFLAGS=-L/home/reitero/.local/lib/mps --prefix=/usr --sysconfdir=/etc
 --libexecdir=/usr/lib --localstatedir=/var --with-mps=yes
 --with-gameuser=root:games --with-pgtk --with-xft --with-harfbuzz
 --with-modules --without-compress-install --without-m17n-flt
 --with-libotf --without-imagemagick --without-gsettings --without-gconf
 --with-native-compilation=aot --with-tree-sitter
 --enable-link-time-optimization'

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM HARFBUZZ JPEG LCMS2
LIBOTF LIBSYSTEMD LIBXML2 MODULES MPS NATIVE_COMP NOTIFY INOTIFY PDUMPER
PGTK PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS
TREE_SITTER WEBP XIM GTK3 ZLIB

Important settings:
  value of $LANG: de_AT.UTF-8
  locale-coding-system: utf-8-unix

Major mode: DOOM v3.0.0-pre

Minor modes in effect:
  which-key-mode: t
  savehist-mode: t
  server-mode: t
  better-jumper-mode: t
  better-jumper-local-mode: t
  corfu-terminal-mode: t
  corfu-history-mode: t
  corfu-popupinfo-mode: t
  global-corfu-mode: t
  corfu-mode: t
  vertico-multiform-mode: t
  vertico-mode: t
  nerd-icons-completion-mode: t
  marginalia-mode: t
  evil-goggles-mode: t
  evil-escape-mode: t
  evil-snipe-override-mode: t
  evil-snipe-mode: t
  evil-snipe-override-local-mode: t
  evil-snipe-local-mode: t
  gcmh-mode: t
  global-hl-line-mode: t
  hl-line-mode: t
  winner-mode: t
  smartparens-global-mode: t
  ws-butler-global-mode: t
  undo-fu-session-global-mode: t
  undo-fu-mode: t
  persp-mode: t
  doom-modeline-mode: t
  override-global-mode: t
  global-subword-mode: t
  subword-mode: t
  evil-mode: t
  evil-local-mode: t
  +popup-mode: t
  general-override-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
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"Oliver Reiter via \"Bug reports for GNU Emacs, the Swiss army knife of tex=
t editors\"" <bug-gnu-emacs@HIDDEN> writes:

> Dear all,
>
> I have encountered multiple crashes on feature/igc with pgtk when
> copying from Emacs to somewhere else. All crashes seem to involve some
> form of 'pgtk_handle_selection_*' function (xbacktrace is always empty).
> These crashes appear to be reproducible for me, if you need further
> info.

Thanks for the report!  Can you try adding -fno-tree-sra to your CFLAGS
and recompiling?  This looks like
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D117423

> #9  pgtk_handle_selection_request (event=3D0x7fffffffc780)
>     at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:585
>         local_selection_time =3D <optimized out>
>         dpyinfo =3D 0x55dee7e0

This pointer has been truncated to 32 bits; it should be 0x555555dee7e0.
That's consistent with the gcc bug above (and
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D119085, which has been
correctly marked as a duplicate).

>         selection =3D 0x45
>         selection_symbol =3D XIL(0x1c0)
>         target =3D <optimized out>
>         target_symbol =3D XIL(0x3f00)
>         property =3D 0x5e
>         local_selection_data =3D <optimized out>
>         success =3D false
>         count =3D <optimized out>
>         pushed =3D false
>         alias =3D <optimized out>
>         tem =3D <optimized out>
>         DONE =3D <optimized out>

> Configured using:
>  'configure 'CFLAGS=3D-g3 -ggdb -O3 -mtune=3Dnative -march=3Dnative
>  -fomit-frame-pointer' CPPFLAGS=3D-I/home/reitero/.local/lib/mps

Using -fomit-frame-pointer will result in the compiler putting
references to GC-able objects in %rbp; since MPS usually uses setjmp to
spill the registers to the stack, and setjmp "scrambles" %rbp for
security reasons, that will result in references which are invisible to
MPS, which will cause other crashes.

Pip





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> Date: Sat, 17 May 2025 20:58:49 +0000
> From:  Pip Cet via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@HIDDEN>
> 
> "Oliver Reiter via \"Bug reports for GNU Emacs, the Swiss army knife of text editors\"" <bug-gnu-emacs@HIDDEN> writes:
> 
> > Dear all,
> >
> > I have encountered multiple crashes on feature/igc with pgtk when
> > copying from Emacs to somewhere else. All crashes seem to involve some
> > form of 'pgtk_handle_selection_*' function (xbacktrace is always empty).
> > These crashes appear to be reproducible for me, if you need further
> > info.
> 
> Thanks for the report!  Can you try adding -fno-tree-sra to your CFLAGS
> and recompiling?  This looks like
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117423
> 
> > #9  pgtk_handle_selection_request (event=0x7fffffffc780)
> >     at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:585
> >         local_selection_time = <optimized out>
> >         dpyinfo = 0x55dee7e0
> 
> This pointer has been truncated to 32 bits; it should be 0x555555dee7e0.
> That's consistent with the gcc bug above (and
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119085, which has been
> correctly marked as a duplicate).

Is there any way we could change our code to avoid bumping into this
problem?  The bug exists in a relatively new version of GCC, so more
users will hit it in the years to come.  One way is to force the use
of -fno-tree-sra (for the affected versions of GCC, if we can identify
them), but is there maybe a less blunt instrument?

> > Configured using:
> >  'configure 'CFLAGS=-g3 -ggdb -O3 -mtune=native -march=native
> >  -fomit-frame-pointer' CPPFLAGS=-I/home/reitero/.local/lib/mps
> 
> Using -fomit-frame-pointer will result in the compiler putting
> references to GC-able objects in %rbp; since MPS usually uses setjmp to
> spill the registers to the stack, and setjmp "scrambles" %rbp for
> security reasons, that will result in references which are invisible to
> MPS, which will cause other crashes.

But configure.ac on the branch forces -fno-omit-frame-pointer.  Is
that not working for some reason?




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"Eli Zaretskii" <eliz@HIDDEN> writes:

>> Date: Sat, 17 May 2025 20:58:49 +0000
>> From:  Pip Cet via "Bug reports for GNU Emacs,
>>  the Swiss army knife of text editors" <bug-gnu-emacs@HIDDEN>
>>
>> "Oliver Reiter via \"Bug reports for GNU Emacs, the Swiss army knife of =
text editors\"" <bug-gnu-emacs@HIDDEN> writes:
>>
>> > Dear all,
>> >
>> > I have encountered multiple crashes on feature/igc with pgtk when
>> > copying from Emacs to somewhere else. All crashes seem to involve some
>> > form of 'pgtk_handle_selection_*' function (xbacktrace is always empty=
).
>> > These crashes appear to be reproducible for me, if you need further
>> > info.
>>
>> Thanks for the report!  Can you try adding -fno-tree-sra to your CFLAGS
>> and recompiling?  This looks like
>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D117423
>>
>> > #9  pgtk_handle_selection_request (event=3D0x7fffffffc780)
>> >     at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:=
585
>> >         local_selection_time =3D <optimized out>
>> >         dpyinfo =3D 0x55dee7e0
>>
>> This pointer has been truncated to 32 bits; it should be 0x555555dee7e0.
>> That's consistent with the gcc bug above (and
>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D119085, which has been
>> correctly marked as a duplicate).
>
> Is there any way we could change our code to avoid bumping into this
> problem?

I thought we had, to be honest.  Let's confirm this is 117423 first,
then we can figure out how to work around that.

> The bug exists in a relatively new version of GCC, so more
> users will hit it in the years to come.

Indeed, and that's if it is fixed at all.

> One way is to force the use of -fno-tree-sra (for the affected
> versions of GCC, if we can identify them), but is there maybe a less
> blunt instrument?

That'd be great, but I don't know how to do it.

>> > Configured using:
>> >  'configure 'CFLAGS=3D-g3 -ggdb -O3 -mtune=3Dnative -march=3Dnative
>> >  -fomit-frame-pointer' CPPFLAGS=3D-I/home/reitero/.local/lib/mps
>>
>> Using -fomit-frame-pointer will result in the compiler putting
>> references to GC-able objects in %rbp; since MPS usually uses setjmp to
>> spill the registers to the stack, and setjmp "scrambles" %rbp for
>> security reasons, that will result in references which are invisible to
>> MPS, which will cause other crashes.
>
> But configure.ac on the branch forces -fno-omit-frame-pointer.  Is
> that not working for some reason?

Both options are passed to GCC, and -fomit-frame-pointer wins because
it's last.

Pip





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From: Oliver Reiter <oliver.reiter@HIDDEN>
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Date: Sun, 18 May 2025 13:26:42 +0200
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Pip Cet <pipcet@HIDDEN> writes:

> "Oliver Reiter via \"Bug reports for GNU Emacs, the Swiss army knife of text editors\"" <bug-gnu-emacs@HIDDEN> writes:
>
>> Dear all,
>>
>> I have encountered multiple crashes on feature/igc with pgtk when
>> copying from Emacs to somewhere else. All crashes seem to involve some
>> form of 'pgtk_handle_selection_*' function (xbacktrace is always empty).
>> These crashes appear to be reproducible for me, if you need further
>> info.
>
> Thanks for the report!  Can you try adding -fno-tree-sra to your CFLAGS
> and recompiling?  This looks like
> <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117423>
>

I can confirm that adding this flag solves it, no more crashes when
copying stuff from Emacs.

>> #9  pgtk_handle_selection_request (event=0x7fffffffc780)
>>     at /home/reitero/build/sources/emacs/emacs_debug/src/pgtkselect.c:585
>>         local_selection_time = <optimized out>
>>         dpyinfo = 0x55dee7e0
>
> This pointer has been truncated to 32 bits; it should be 0x555555dee7e0.
> That's consistent with the gcc bug above (and
> <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119085>, which has been
> correctly marked as a duplicate).
>
>>         selection = 0x45
>>         selection_symbol = XIL(0x1c0)
>>         target = <optimized out>
>>         target_symbol = XIL(0x3f00)
>>         property = 0x5e
>>         local_selection_data = <optimized out>
>>         success = false
>>         count = <optimized out>
>>         pushed = false
>>         alias = <optimized out>
>>         tem = <optimized out>
>>         DONE = <optimized out>
>
>> Configured using:
>>  'configure 'CFLAGS=-g3 -ggdb -O3 -mtune=native -march=native
>>  -fomit-frame-pointer' CPPFLAGS=-I/home/reitero/.local/lib/mps
>
> Using -fomit-frame-pointer will result in the compiler putting
> references to GC-able objects in %rbp; since MPS usually uses setjmp to
> spill the registers to the stack, and setjmp "scrambles" %rbp for
> security reasons, that will result in references which are invisible to
> MPS, which will cause other crashes.
>
> Pip

Thanks, I'll use -fno-omit-frame-pointer for now.

Oliver

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