Not reproduced myself but see https://gitlab.isc.org/isc-projects/bind9/-/issues/3351
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=f06ef44e355a161ac9185b1b389addf510a08616 commit f06ef44e355a161ac9185b1b389addf510a08616 Author: Sam James <sam@gentoo.org> AuthorDate: 2022-06-03 07:32:56 +0000 Commit: Sam James <sam@gentoo.org> CommitDate: 2022-06-03 07:33:00 +0000 net-dns/bind: backport FORTIFY_SOURCE=3 named-checkconf crash fix Closes: https://bugs.gentoo.org/847295 Signed-off-by: Sam James <sam@gentoo.org> net-dns/bind/bind-9.16.29-r1.ebuild | 376 +++++++++++++++++++++ .../bind/files/bind-9.16.29-fortify-source-3.patch | 35 ++ 2 files changed, 411 insertions(+) https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=5a92bef099e1ceccd8750bde2c16d985bdf3fafa commit 5a92bef099e1ceccd8750bde2c16d985bdf3fafa Author: Sam James <sam@gentoo.org> AuthorDate: 2022-06-03 07:32:50 +0000 Commit: Sam James <sam@gentoo.org> CommitDate: 2022-06-03 07:33:00 +0000 net-dns/bind-tools: backport FORTIFY_SOURCE=3 named-checkconf crash fix Closes: https://bugs.gentoo.org/847295 Signed-off-by: Sam James <sam@gentoo.org> net-dns/bind-tools/bind-tools-9.16.29-r1.ebuild | 156 +++++++++++++++++++++ .../bind-tools-9.16.29-fortify-source-3.patch | 35 +++++ 2 files changed, 191 insertions(+)