GNU bug report logs - #49261
28.0.50; File Locking Breaks Presumptuous Toolchains

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Package: emacs;

Reported by: Mallchad Skeghyeph <ncaprisunfan <at> gmail.com>

Date: Mon, 28 Jun 2021 18:28:02 UTC

Severity: normal

Found in version 28.0.50

Fixed in version 28.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: Eli Zaretskii <eliz <at> gnu.org>, larsi <at> gnus.org, 49261 <at> debbugs.gnu.org
Subject: bug#49261: Segfault during loadup
Date: Wed, 14 Jul 2021 09:42:53 +0200

On Jul 13 2021, Paul Eggert wrote:

> However, there is no overflow here:
>
> unsigned a = -1, b = INT_MIN, c = LLONG_MAX;
>
> and these declarations have well-defined behavior in C,

This is a bogus argument.  You can write total bullshit by using only
well-defined C.  And assinging a wider constant to a narrow object,
losing bits, is likely hiding a bug.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."
This bug report was last modified 3 years and 305 days ago.

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