bug#52671: closed (glibc patch causes crash on failure to find path to executable)

[GNU bug Tracking System]

Your message dated Mon, 30 Jan 2023 00:34:40 +0100
with message-id <878rhk3ofj.fsf@gnu.org>
and subject line Re: bug#52693: [PATCH] gnu: glibc: Handle failure to find 
$ORIGIN.
has caused the debbugs.gnu.org bug report #52671,
regarding glibc patch causes crash on failure to find path to executable
to be marked as done.

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-- 
52671: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=52671
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> --- Begin Message ---
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> Subject: 
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> glibc patch causes crash on failure to find path to executable
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> Date: 
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> Mon, 20 Dec 2021 01:14:38 +0300
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> glibc-dl-cache.patch causes segmentation fault when _dl_get_origin fails (which 
> should be harmless unless there is $ORIGIN in RUNPATH). I found this when 
> running a dynamically linked executable as ‘init’, before /proc was mounted. 
> There needs to be an origin != (char *)-1 check.
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> --- End Message ---
> --- Begin Message ---
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> Subject: 
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> Re: bug#52693: [PATCH] gnu: glibc: Handle failure to find $ORIGIN.
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> Date: 
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> Mon, 30 Jan 2023 00:34:40 +0100
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> User-agent: 
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> Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux)
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> Hi Ivan,
>
> Ivan Kozlov <kanichos@yandex.ru> skribis:
>
> > Fixes <https://issues.guix.gnu.org/52671>.
> >
> > * gnu/packages/patches/glibc-dl-cache.patch: Check pointer returned by 
> > '_dl_get_origin' for failure indication.
>
> Somehow we forgot about this patch for a whole year, and it turns out I
> stumbled upon the bug again just hours ago¹.
>
> Now pushed to ‘core-updates’ as
> edb8c09addd186d9538d43b12af74d6c7aeea082.
>
> Thanks again, and apologies for the delay!
>
> Ludo’.
>
> ¹ https://issues.guix.gnu.org/61156
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>
> --- End Message ---