Bug#1040981: klibc-utils: segfault executing armhf binaries under qemu-user

From	Thorsten Glaser <tg@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1040981: klibc-utils: segfault executing armhf binaries under qemu-user
Date	2023-07-14 00:50 +0200
Message-ID	<GRdih-2QS-1@gated-at.bofh.it> (permalink)
References	<GRdih-2QS-3@gated-at.bofh.it> <GRdih-2QS-5@gated-at.bofh.it> <GRdih-2QS-3@gated-at.bofh.it> <GRdih-2QS-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Dixi quod…

>My guess here is that it’s, as usual, the fault of qemu-user,
>which has multiple outstanding emulation bugs, some of which
>affecting klibc-built binaries especially, though this, since
>a statically linked mksh works, is probably an issue with how
>qemu-user handles .interp *shrug*

An interesting data point (here on a bullseye/amd64 system):

$ /usr/lib/klibc/bin/fstype --help
--help: No such file or directory
$ /lib/klibc-YUkGbOClhnaZRUUd4cUed0X2XZI.so  /usr/lib/klibc/bin/fstype --help
Segmentation fault (core dumped)

So running the interpreter directly is already not supported.
I’m guessing that that is what qemu-user tries, though.

Wild shoot into the blue but maybe it helps…

bye,
//mirabilos
-- 
„Cool, /usr/share/doc/mksh/examples/uhr.gz ist ja ein Grund,
mksh auf jedem System zu installieren.“
	-- XTaran auf der OpenRheinRuhr, ganz begeistert
(EN: “[…]uhr.gz is a reason to install mksh on every system.”)

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Bug#1040981: klibc-utils: segfault executing armhf binaries under qemu-user Thorsten Glaser <tg@debian.org> - 2023-07-14 00:50 +0200

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