[gnutls-devel] GnuTLS | Make use of MADV_DONTDUMP for protecting sensitive data (#1192)

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Daiki Ueno created an issue: https://gitlab.com/gnutls/gnutls/-/issues/1192



We currently don't have any protection against sensitive data being leaked in a coredump.  Perhaps it might worth considering the use of `madvise(MADV_DONTDUMP)`, as in [gnome-keyring](https://gitlab.gnome.org/GNOME/gnome-keyring/-/issues/30).

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