* bug#64254: Bug in initialization with exotic locale
@ 2023-06-23 7:48 Pavel Dovgalyuk
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From: Pavel Dovgalyuk @ 2023-06-23 7:48 UTC (permalink / raw)
The following call sequence can cause an exception, when the locale is
init_build_info -> scm_from_locale_string -> ... -> decoding_error
Then function scm_throw tries to access throw_var.
But this variable is not initialized yet, beacuse it is initialized in
scm_init_throw, which will be called later.
Therefore access to throw_var in init_build_info causes segmentation fault.
How to reproduce:
podman run --net=host -it fedora:36 \
/bin/sh -c 'dnf install -y gdb glibc-langpack-ru && export
LC_ALL=ru_RU.KOI8-R; exec gdb'
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2023-06-23 7:48 bug#64254: Bug in initialization with exotic locale Pavel Dovgalyuk
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