diff options
Diffstat (limited to '0001-security-lockdown-expose-a-hook-to-lock-the-kernel-d.patch')
| -rw-r--r-- | 0001-security-lockdown-expose-a-hook-to-lock-the-kernel-d.patch | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/0001-security-lockdown-expose-a-hook-to-lock-the-kernel-d.patch b/0001-security-lockdown-expose-a-hook-to-lock-the-kernel-d.patch index 154271305..f7baef09c 100644 --- a/0001-security-lockdown-expose-a-hook-to-lock-the-kernel-d.patch +++ b/0001-security-lockdown-expose-a-hook-to-lock-the-kernel-d.patch @@ -1,4 +1,4 @@ -From 154a1cadac2380c5439c20d0073176601fae2ca1 Mon Sep 17 00:00:00 2001 +From 9c4460884d6fd08e62cf3b50f3d5889efa9d40e9 Mon Sep 17 00:00:00 2001 From: Jeremy Cline <jcline@redhat.com> Date: Mon, 30 Sep 2019 21:22:47 +0000 Subject: [PATCH] security: lockdown: expose a hook to lock the kernel down @@ -22,11 +22,11 @@ index 9cd4455528e5..dfa09696a0e5 100644 +++ b/include/linux/lsm_hook_defs.h @@ -371,6 +371,8 @@ LSM_HOOK(void, LSM_RET_VOID, bpf_prog_free_security, struct bpf_prog_aux *aux) #endif /* CONFIG_BPF_SYSCALL */ - + LSM_HOOK(int, 0, locked_down, enum lockdown_reason what) +LSM_HOOK(int, 0, lock_kernel_down, const char *where, enum lockdown_reason level) + - + #ifdef CONFIG_PERF_EVENTS LSM_HOOK(int, 0, perf_event_open, struct perf_event_attr *attr, int type) diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h @@ -56,7 +56,7 @@ index a8d9310472df..381305889d89 100644 int security_locked_down(enum lockdown_reason what); +int security_lock_kernel_down(const char *where, enum lockdown_reason level); #else /* CONFIG_SECURITY */ - + static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data) @@ -1273,6 +1274,10 @@ static inline int security_locked_down(enum lockdown_reason what) { @@ -67,19 +67,19 @@ index a8d9310472df..381305889d89 100644 + return 0; +} #endif /* CONFIG_SECURITY */ - + #ifdef CONFIG_SECURITY_NETWORK diff --git a/security/lockdown/lockdown.c b/security/lockdown/lockdown.c index 5a952617a0eb..61cc3cdc4d25 100644 --- a/security/lockdown/lockdown.c +++ b/security/lockdown/lockdown.c @@ -73,6 +73,7 @@ static int lockdown_is_locked_down(enum lockdown_reason what) - + static struct security_hook_list lockdown_hooks[] __lsm_ro_after_init = { LSM_HOOK_INIT(locked_down, lockdown_is_locked_down), + LSM_HOOK_INIT(lock_kernel_down, lock_kernel_down), }; - + static int __init lockdown_lsm_init(void) diff --git a/security/security.c b/security/security.c index 7fed24b9d57e..37fab5c5d974 100644 @@ -88,7 +88,7 @@ index 7fed24b9d57e..37fab5c5d974 100644 @@ -2456,6 +2456,12 @@ int security_locked_down(enum lockdown_reason what) } EXPORT_SYMBOL(security_locked_down); - + +int security_lock_kernel_down(const char *where, enum lockdown_reason level) +{ + return call_int_hook(lock_kernel_down, 0, where, level); @@ -99,5 +99,5 @@ index 7fed24b9d57e..37fab5c5d974 100644 int security_perf_event_open(struct perf_event_attr *attr, int type) { -- -2.26.0 +2.26.2 |