GNU bug report logs - #30182
27.0.50; Crash when doing mouse-over on modeline

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Message #62 received at 30182 <at> debbugs.gnu.org (full text, mbox):

From: Sujith <m.sujith <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: rudalics <at> gmx.at, 30182 <at> debbugs.gnu.org
Subject: Re: bug#30182: Update
Date: Tue, 23 Jan 2018 22:37:04 +0530

Eli Zaretskii <eliz <at> gnu.org> writes:
> In this frame #4, please show the values of val, prev, and elt.  Like
> this:
>
>   (gdb) fr 4
>   (gdb) pp elt
>   (gdb) pp val
>   (gdb) pp prev
>
> (Once again, to have "pp" defined, you need to "source .gdbinit".)

Here it is:

(gdb) bt full
#0  0x000000000058db0a in terminate_due_to_signal (sig=6,
backtrace_limit=2147483647) at emacs.c:364
#1  0x000000000062a672 in die (msg=0x76bd6b "CONSP (c)", file=0x76bca8
"lisp.h", line=1289) at alloc.c:7423
#2  0x0000000000587841 in xcar_addr (c=XIL(0)) at lisp.h:1289
#3  0x0000000000587941 in XSETCAR (c=XIL(0), n=XIL(0x34f67c5)) at
lisp.h:1318
#4  0x000000000065b351 in concat (nargs=1, args=0x7fffffffdb68,
target_type=Lisp_Cons, last_special=false) at fns.c:751
        elt = XIL(0x34f67c5)
        thislen = make_number(379181683)
        thisleni = 0
        thisindex = 0
        thisindex_byte = 0
        val = XIL(0x41240f3)
        tail = XIL(0)
        this = XIL(0)
        toindex = -1
        toindex_byte = 0
        result_len = 4
        result_len_byte = 4
        argnum = 0
        last_tail = XIL(0)
        prev = XIL(0x4124123)
        some_multibyte = false
        textprops = 0x0
        num_textprops = 0
        sa_avail = 16384
        sa_count = 4
        sa_must_free = false

(gdb) fr 4
#4  0x000000000065b351 in concat (nargs=1, args=0x7fffffffdb68,
target_type=Lisp_Cons, last_special=false) at fns.c:751
751                     XSETCAR (tail, elt);

(gdb) pp elt
[nil 23143 27373 214334 300 savehist-autosave nil nil 582000]

(gdb) pp val
([nil 23143 27086 157598 nil undo-auto--boundary-timer nil nil 797000] [nil 23143 27086 356582 0.5 blink-cursor-timer-function nil nil 148000] [nil 23143 27086 428672 nil #[(buffer) "!
qÉ)‡" [buffer w3m-modeline-title-timer buffer-live-p nil] 2] (#<buffer *w3m*>) nil 416000] [nil 23143 27092 0 60 display-time-event-handler nil nil 0])

(gdb) pp prev
([nil 23143 27092 0 60 display-time-event-handler nil nil 0])

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