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Ondrej Mosnacek c09ffff246 lsm: fix default return value of the socket_getpeersec_*() hooks

[ Upstream commit 5a287d3d2b ]

For these hooks the true "neutral" value is -EOPNOTSUPP, which is
currently what is returned when no LSM provides this hook and what LSMs
return when there is no security context set on the socket. Correct the
value in <linux/lsm_hooks.h> and adjust the dispatch functions in
security/security.c to avoid issues when the BPF LSM is enabled.

Cc: stable@vger.kernel.org
Fixes: 98e828a065 ("security: Refactor declaration of LSM hooks")
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
[PM: subject line tweak]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-03-15 10:48:20 -04:00

apparmor

lsm: make security_socket_getpeersec_stream() sockptr_t safe

2024-03-15 10:48:20 -04:00

bpf

…

integrity

ima: annotate iint mutex to avoid lockdep false positive warnings

2023-12-08 08:46:15 +01:00

keys

keys, dns: Allow key types (eg. DNS) to be reclaimed immediately on expiry

2024-01-05 15:12:25 +01:00