Package: emacs;
Reported by: Gerd Möllmann <gerd.moellmann <at> gmail.com>
Date: Tue, 27 Sep 2022 12:09:01 UTC
Severity: normal
Found in version 29.0.50
Fixed in version 29.1
Done: Gerd Möllmann <gerd.moellmann <at> gmail.com>
Bug is archived. No further changes may be made.
View this message in rfc822 format
From: Gerd Möllmann <gerd.moellmann <at> gmail.com> To: 58113 <at> debbugs.gnu.org Subject: bug#58113: 29.0.50; [noverlay] Segmentation fault while building on macOS Date: Tue, 27 Sep 2022 14:07:40 +0200
With HEAD = 409327ff68f9ccdc8099f6a2ba2fee76abaaab70 on the noverlay
branch:
git clean -xdf
./autogen.sh
./configure
make
/bin/sh: line 1: 76907 Segmentation fault: 11 '../src/emacs' -batch --no-site-file --no-site-lisp --eval "(setq load-prefer-newer t byte-compile-warnings 'all)" -f batch-byte-compile cedet/srecode/cpp.el
make[3]: *** [cedet/srecode/cpp.elc] Error 139
With debugger (I'll try to reprduce with -O0 later):
~/emacs/noverlay/ > cd lisp
[feature/noverlay] gerd <at> Mini 2022-09-27 13:31
~/emacs/noverlay/lisp/ > lldb ../src/emacs
(lldb) target create "../src/emacs"
Current executable set to '/Users/gerd/emacs/noverlay/src/emacs' (arm64).
(lldb) run -batch --no-site-file --no-site-lisp --eval "(setq load-prefer-newer t byte-compile-warnings 'all)" -f batch-byte-compile cedet/srecode/cpp.el
Process 77018 launched: '/Users/gerd/emacs/noverlay/src/emacs' (arm64)
Process 77018 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0xfffffffffffffffb)
frame #0: 0x0000000100148a8c emacs`mark_buffer [inlined] set_vector_marked(v=0xfffffffffffffffb) at alloc.c:3975:5 [opt]
3972 pdumper_set_marked (v);
3973 }
3974 else
-> 3975 XMARK_VECTOR (v);
3976 }
3977
3978 static bool
(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0xfffffffffffffffb)
* frame #0: 0x0000000100148a8c emacs`mark_buffer [inlined] set_vector_marked(v=0xfffffffffffffffb) at alloc.c:3975:5 [opt]
frame #1: 0x0000000100148a7c emacs`mark_buffer [inlined] set_vectorlike_marked(header=0xfffffffffffffffb) at alloc.c:3987:3 [opt]
frame #2: 0x0000000100148a7c emacs`mark_buffer [inlined] mark_overlay(ov=0xfffffffffffffffb) at alloc.c:6508:3 [opt]
frame #3: 0x0000000100148a7c emacs`mark_buffer(buffer=0x00000001038c9a00) at alloc.c:6536:5 [opt]
frame #4: 0x0000000100145f3c emacs`process_mark_stack(base_sp=<unavailable>) at alloc.c:6858:3 [opt]
frame #5: 0x0000000100148d74 emacs`mark_localized_symbol [inlined] mark_object(obj=0x00000001038c9a05) at alloc.c:7040:3 [opt]
frame #6: 0x0000000100148d2c emacs`mark_localized_symbol(ptr=<unavailable>) at alloc.c:6577:3 [opt]
frame #7: 0x00000001001461c0 emacs`process_mark_stack(base_sp=<unavailable>) at alloc.c:6969:3 [opt]
frame #8: 0x0000000100144c30 emacs`garbage_collect [inlined] mark_object(obj=0x0000000000007890) at alloc.c:7040:3 [opt]
frame #9: 0x0000000100144c14 emacs`garbage_collect [inlined] mark_object_root_visitor(root_ptr=<unavailable>, type=GC_ROOT_BUFFER_LOCAL_DEFAULT, data=0x0000000000000000) at alloc.c:5987:3 [opt]
frame #10: 0x0000000100144c14 emacs`garbage_collect [inlined] visit_vectorlike_root(visitor=gc_root_visitor @ 0x0000600000ba0030, ptr=<unavailable>, type=GC_ROOT_BUFFER_LOCAL_DEFAULT) at alloc.c:5939:5 [opt]
frame #11: 0x0000000100144bd8 emacs`garbage_collect [inlined] visit_buffer_root(visitor=<unavailable>, buffer=<unavailable>, type=GC_ROOT_BUFFER_LOCAL_DEFAULT) at alloc.c:5953:3 [opt]
frame #12: 0x0000000100144bd8 emacs`garbage_collect [inlined] visit_static_gc_roots(visitor=gc_root_visitor @ 0x0000600000ba0020) at alloc.c:5965:3 [opt]
frame #13: 0x0000000100144bd8 emacs`garbage_collect at alloc.c:6189:3 [opt]
frame #14: 0x0000000100145a2c emacs`Fgarbage_collect at alloc.c:6341:3 [opt]
frame #15: 0x00000001001b7670 emacs`exec_byte_code(fun=<unavailable>, args_template=<unavailable>, nargs=<unavailable>, args=<unavailable>) at bytecode.c:809:14 [opt]
frame #16: 0x0000000100171000 emacs`funcall_lambda [inlined] fetch_and_exec_byte_code(fun=<unavailable>, args_template=<unavailable>, nargs=<unavailable>, args=<unavailable>) at eval.c:3064:10 [opt] [artificial]
frame #17: 0x000000010016f654 emacs`apply_lambda(fun=0x0000000103d0110d, args=<unavailable>, count=(bytes = 6528)) at eval.c:3086:9 [opt]
frame #18: 0x000000010016a818 emacs`eval_sub(form=<unavailable>) at lisp.h:0:10 [opt]
frame #19: 0x000000010016ae40 emacs`Fprogn(body=0x00000001039a0873) at eval.c:436:13 [opt]
frame #20: 0x000000010015faa0 emacs`Fsave_excursion(args=<unavailable>) at editfns.c:846:9 [opt]
frame #21: 0x000000010016aa70 emacs`eval_sub(form=<unavailable>) at eval.c:2433:8 [opt]
frame #22: 0x000000010016c818 emacs`Flet at eval.c:436:13 [opt]
frame #23: 0x000000010016c7fc emacs`Flet(args=<unavailable>) at eval.c:1023:9 [opt]
frame #24: 0x000000010016aa70 emacs`eval_sub(form=<unavailable>) at eval.c:2433:8 [opt]
frame #25: 0x000000010016adf4 emacs`Fif at eval.c:436:13 [opt]
frame #26: 0x000000010016add8 emacs`Fif(args=<unavailable>) at eval.c:392:10 [opt]
frame #27: 0x000000010016aa70 emacs`eval_sub(form=<unavailable>) at eval.c:2433:8 [opt]
frame #28: 0x0000000100170f88 emacs`funcall_lambda at eval.c:436:13 [opt]
frame #29: 0x0000000100170f6c
emacs`funcall_lambda(fun=0x00000001039a06b3, nargs=2,
arg_vector=0x000000016f
(lldb) command script import ../etc/emacs_lldb.py
Emacs debugging support has been installed.
(lldb) xbacktrace
(unsigned char *) data = 0x000000010027d1df "Automatic GC"
(unsigned char *) data = 0x0000000100278cc6 "garbage-collect"
(unsigned char *) data = 0x0000000103c56690 "semantic-fetch-tags"
(unsigned char *) data = 0x000000010027a568 "save-excursion"
(unsigned char *) data = 0x000000010027b174 "let"
(unsigned char *) data = 0x000000010027b0a4 "if"
(unsigned char *) data = 0x0000000103be1af0 "srecode-map-validate-file-for-mode"
(unsigned char *) data = 0x000000010027b174 "let"
(unsigned char *) data = 0x000000010027b0ac "progn"
(unsigned char *) data = 0x000000010027b0a4 "if"
(unsigned char *) data = 0x000000010027b174 "let"
(unsigned char *) data = 0x000000010027b17d "while"
(unsigned char *) data = 0x000000010027b174 "let"
(unsigned char *) data = 0x000000010027b0ac "progn"
(unsigned char *) data = 0x000000010027b0a4 "if"
(unsigned char *) data = 0x000000010027b174 "let"
(unsigned char *) data = 0x000000010027b17d "while"
(unsigned char *) data = 0x000000010027b174 "let"
(unsigned char *) data = 0x000000010027b174 "let"
(unsigned char *) data = 0x0000000103be15c8 "srecode-map-update-map"
(unsigned char *) data = 0x0000000103be1ca8 "srecode-map-load-path-set"
(unsigned char *) data = 0x0000000104b932b9 "custom-initialize-reset"
(unsigned char *) data = 0x0000000104ba7bca "custom-declare-variable"
(unsigned char *) data = 0x0000000100280751 "eval-buffer"
(unsigned char *) data = 0x0000000104b7d1cb "load-with-code-conversion"
(unsigned char *) data = 0x000000010027bb4d "require"
(unsigned char *) data = 0x0000000100280751 "eval-buffer"
(unsigned char *) data = 0x0000000104b7d1cb "load-with-code-conversion"
(unsigned char *) data = 0x000000010027bb4d "require"
(unsigned char *) data = 0x0000000100280751 "eval-buffer"
(unsigned char *) data = 0x0000000104b7d1cb "load-with-code-conversion"
(unsigned char *) data = 0x000000010027bb4d "require"
(unsigned char *) data = 0x0000000100280751 "eval-buffer"
(unsigned char *) data = 0x0000000104b7d1cb "load-with-code-conversion"
(unsigned char *) data = 0x000000010027bb4d "require"
(unsigned char *) data = 0x000000010027b205 "apply"
(unsigned char *) data = 0x00000001038d85f0 "byte-compile-file-form-require"
(unsigned char *) data = 0x00000001038d83c8 "byte-compile-file-form"
PVEC_COMPILED
(unsigned char *) data = 0x000000010389b118 "byte-compile-recurse-toplevel"
(unsigned char *) data = 0x00000001038d8018 "byte-compile-toplevel-file-form"
PVEC_COMPILED
(unsigned char *) data = 0x00000001038d7d00 "byte-compile-from-buffer"
(unsigned char *) data = 0x0000000104bab922 "byte-compile-file"
(unsigned char *) data = 0x00000001038cc6e8 "batch-byte-compile-file"
(unsigned char *) data = 0x0000000104c1b1e9 "batch-byte-compile"
(unsigned char *) data = 0x0000000104b7defc "command-line-1"
(unsigned char *) data = 0x0000000104b7fa0a "command-line"
(unsigned char *) data = 0x0000000104b80cef "normal-top-level"
(lldb) p v
(Lisp_Vector *) $457 = 0xfffffffffffffffb
frame #2: 0x0000000100148a7c emacs`mark_buffer [inlined] mark_overlay(ov=0xfffffffffffffffb) at alloc.c:6508:3 [opt]
6505 static void
6506 mark_overlay (struct Lisp_Overlay *ov)
6507 {
-> 6508 set_vectorlike_marked (&ov->header);
6509 mark_object (ov->plist);
6510 }
6511
(lldb) p ov
(Lisp_Overlay *) $459 = 0xfffffffffffffffb
(lldb) up
frame #3: 0x0000000100148a7c emacs`mark_buffer(buffer=0x00000001038c9a00) at alloc.c:6536:5 [opt]
6533 struct interval_node *node;
6534 buffer_overlay_iter_start (buffer, PTRDIFF_MIN, PTRDIFF_MAX, ITREE_ASCENDING);
6535 while ((node = buffer_overlay_iter_next (buffer)))
-> 6536 mark_overlay (XOVERLAY (node->data));
6537 buffer_overlay_iter_finish (buffer);
6538
6539 /* If this is an indirect buffer, mark its base buffer. */
(lldb) p buffer->name_
(Lisp_Object) $595 = 0x0000000102f76fd4 (struct Lisp_String *) $597 = 0x0000000102f76fd0
(lldb) p *$597
(struct Lisp_String) $598 = {
u = {
s = {
size = -9223372036854775790
size_byte = -1
intervals = NULL
data = 0x0000000103be21b8 " *srecode-map-tmp*"
(lldb) p buffer->overlays
(interval_tree *) $599 = 0x0000600002c07d80
(lldb) p *buffer->overlays
(interval_tree) $601 = {
root = 0x0000600002c07d88
null = {
parent = 0x0000600002c07d88
left = 0x0000600002c07d88
right = 0x0000600002c07d88
begin = -9223372036854775808
end = -9223372036854775808
limit = -9223372036854775808
offset = 0
otick = 1
data = NULL
color = ITREE_BLACK
visited = true
rear_advance = false
front_advance = false
}
otick = 1
size = 26
iter = 0x0000600000c41620
iter_running = true
At this point I'm stuck, without really knowing what this is supposed
to do, and how it works.
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997,2003 nCipher Corporation Ltd,
1994-97 Ian Jackson.