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bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains
From: |
Lars Ingebrigtsen |
Subject: |
bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains |
Date: |
Sat, 10 Jul 2021 19:15:53 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
> It would be good to try to understand byte code of which function is
> being run in frame #3 here:
>
>> Thread 1 "bootstrap-emacs" received signal SIGSEGV, Segmentation fault.
>> 0x00005555556f0549 in AREF (idx=6988131860, array=XIL(0x7ffff1bd901d))
>> at lisp.h:731
>> 731 return lisp_h_XLP (o);
>> (gdb) bt
>> #0 0x00005555556f0549 in AREF (idx=6988131860, array=XIL(0x7ffff1bd901d))
>> at lisp.h:731
>> #1 HASH_KEY (idx=3494065930, h=0x7ffff1bd8f98) at lisp.h:2374
>> #2 hash_lookup
>> (h=0x7ffff1bd8f98, key=XIL(0x555555c76c64), hash=hash@entry=0x0)
>> at fns.c:4479
Well, the segfault is in this:
for (i = HASH_INDEX (h, start_of_bucket); 0 <= i; i = HASH_NEXT (h, i))
{
and you can see that idx (i.e., i here) is 3494065930, which is a very
unusual value for idx -- it's usually below 2K. So it can't really be
anything other than a memory corruption issue, I think?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, (continued)
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Lars Ingebrigtsen, 2021/07/08
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Eli Zaretskii, 2021/07/08
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Eli Zaretskii, 2021/07/08
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Lars Ingebrigtsen, 2021/07/08
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Lars Ingebrigtsen, 2021/07/08
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Eli Zaretskii, 2021/07/08
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Lars Ingebrigtsen, 2021/07/08
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Eli Zaretskii, 2021/07/08
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Lars Ingebrigtsen, 2021/07/10
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Eli Zaretskii, 2021/07/10
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains,
Lars Ingebrigtsen <=
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Eli Zaretskii, 2021/07/10
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Eli Zaretskii, 2021/07/07
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Lars Ingebrigtsen, 2021/07/07
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Lars Ingebrigtsen, 2021/07/07
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Eli Zaretskii, 2021/07/07
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Lars Ingebrigtsen, 2021/07/07
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Lars Ingebrigtsen, 2021/07/07
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Eli Zaretskii, 2021/07/07
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Eli Zaretskii, 2021/07/07
- bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains, Lars Ingebrigtsen, 2021/07/07