GNU bug report logs - #72692
Emacs 31.05 (40eecd594ac) get SIGSEGV on Linux (Linux 6.6.45 Kde Wayland)

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From: Pip Cet <pipcet <at> protonmail.com>
To: execvy <at> gmail.com
Cc: 72692 <at> debbugs.gnu.org
Subject: bug#72692: Emacs 31.05 (40eecd594ac) get SIGSEGV on Linux (Linux 6.6.45 Kde Wayland)
Date: Sun, 18 Aug 2024 09:34:20 +0000

<execvy <at> gmail.com> writes:

> It's
> ```
> (gdb) x/32gx (*(long *)&Vfontset_table - 5)
> 0x4de32f40:     0x00000000000000f3      0x00007f9ea734b695
> 0x4de32f50:     0x00000000028b8c65      0x00000000028bee1d
> 0x4de32f60:     0x00000000765a7d45      0x00000000765a7fad
> 0x4de32f70:     0x00000000765a83d5      0x00000000765a863d
> 0x4de32f80:     0x00000000765a88a5      0x00000000765a8d55
> 0x4de32f90:     0x00000000765a8fbd      0x00000000765a9225
> 0x4de32fa0:     0x00000000765a948d      0x00000000765a96f5
> 0x4de32fb0:     0x00000000765a995d      0x00000000765a9d65
> 0x4de32fc0:     0x00000000765a9fcd      0x00000000765aa235
> 0x4de32fd0:     0x00000000765aa49d      0x00000000765aa705
> 0x4de32fe0:     0x00000000765aa96d      0x00000000765aad75
> 0x4de32ff0:     0x00000000765aafdd      0x00000000765c2ce5
> 0x4de33000:     0x0000000002ab84d5      0x00000000765c4e15
> 0x4de33010:     0x00000000765dbf75      0x0000000000000000
> 0x4de33020:     0x0000000000000000      0x0000000000000000
> 0x4de33030:     0x0000000000000000      0x0000000000000000
> (gdb)
> ```

Thanks. It looks like the entry in the fontset table has been freed
(that's entry 26, which is Qnil), but is still referenced by
face->fontset.  Can you go back to the same stack frame in which you
printed face and "p *face->ascii_face"?

Pip

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