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bug#52461: spontaneous crash with portable dumper
From: |
YAMAMOTO Mitsuharu |
Subject: |
bug#52461: spontaneous crash with portable dumper |
Date: |
Wed, 15 Dec 2021 12:04:31 +0900 |
User-agent: |
Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (Gojō) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.2 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) |
On Tue, 14 Dec 2021 22:20:30 +0900,
Eli Zaretskii wrote:
>
> > I directly inserted the memset line just after the xpalloc call in
> > charset.c, and dumped 10 times. No crash occured.
> >
> > I also tried the change below, and it seems to work, too.
>
> Thanks. I think I prefer the second variant.
>
> Do you think we need more testing of this, since the problem was
> intermittent?
I don't think so. The members of struct charset other than
code_space_mask is non-pointer values, so they do not involve any
dereference.
Can I install it to the emacs-28 branch? Currently, we have
charset_table_used == 179, and charset_table_size == 180, so the
problem does not manifest itself without additional charsets defined
before dumping.
YAMAMOTO Mitsuharu
mituharu@math.s.chiba-u.ac.jp
- bug#52461: spontaneous crash with portable dumper, YAMAMOTO Mitsuharu, 2021/12/12
- bug#52461: spontaneous crash with portable dumper, YAMAMOTO Mitsuharu, 2021/12/12
- bug#52461: spontaneous crash with portable dumper, Eli Zaretskii, 2021/12/13
- bug#52461: spontaneous crash with portable dumper, Pip Cet, 2021/12/13
- bug#52461: spontaneous crash with portable dumper, Eli Zaretskii, 2021/12/13
- bug#52461: spontaneous crash with portable dumper, YAMAMOTO Mitsuharu, 2021/12/14
- bug#52461: spontaneous crash with portable dumper, Eli Zaretskii, 2021/12/14
- bug#52461: spontaneous crash with portable dumper,
YAMAMOTO Mitsuharu <=
- bug#52461: spontaneous crash with portable dumper, YAMAMOTO Mitsuharu, 2021/12/14
- bug#52461: spontaneous crash with portable dumper, Eli Zaretskii, 2021/12/14
- bug#52461: spontaneous crash with portable dumper, YAMAMOTO Mitsuharu, 2021/12/14