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authorMickaël Salaün <mic@linux.microsoft.com>2024-02-13 13:57:41 +0100
committerAleksandr Nogikh <nogikh@google.com>2024-02-26 11:00:17 +0000
commit23536c231026652872d17e3b6cdcbf64a07eecc7 (patch)
tree793a0ea0049a02ca76ad600128841be6fe936c38 /sys/linux/lsm.txt
parent61f5c1060b36b6ebfe7fb19151102a4112c6f964 (diff)
sys/linux: add LSM syscalls
Add 3 new system calls available with Linux 6.8: * lsm_set_self_attr() * lsm_get_self_attr() * lsm_list_modules() This helped find these bugs: https://lore.kernel.org/all/20240223190546.3329966-1-mic@digikod.net/ Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Diffstat (limited to 'sys/linux/lsm.txt')
-rw-r--r--sys/linux/lsm.txt22
1 files changed, 22 insertions, 0 deletions
diff --git a/sys/linux/lsm.txt b/sys/linux/lsm.txt
new file mode 100644
index 000000000..062176b6d
--- /dev/null
+++ b/sys/linux/lsm.txt
@@ -0,0 +1,22 @@
+# Copyright 2024 syzkaller project authors. All rights reserved.
+# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+include <uapi/linux/lsm.h>
+
+lsm_set_self_attr(attr flags[lsm_attr_flags], ctx ptr[in, lsm_ctx], size bytesize[ctx], flags const[0])
+lsm_get_self_attr(attr flags[lsm_attr_flags], ctx ptr[out, lsm_ctx], size ptr[inout, bytesize[ctx, intptr]], flags flags[lsm_get_self_attr_flags])
+lsm_list_modules(ids ptr[out, array[int64]], size ptr[inout, bytesize[ids, intptr]], flags const[0])
+
+lsm_ctx {
+ id flags[lsm_id_flags, int64]
+ flags int64
+ len bytesize[parent, int64]
+ ctx_len bytesize[ctx, int64]
+ ctx array[int8]
+}
+
+lsm_attr_flags = LSM_ATTR_UNDEF, LSM_ATTR_CURRENT, LSM_ATTR_EXEC, LSM_ATTR_FSCREATE, LSM_ATTR_KEYCREATE, LSM_ATTR_PREV, LSM_ATTR_SOCKCREATE
+
+lsm_id_flags = LSM_ID_UNDEF, LSM_ID_CAPABILITY, LSM_ID_SELINUX, LSM_ID_SMACK, LSM_ID_TOMOYO, LSM_ID_APPARMOR, LSM_ID_YAMA, LSM_ID_LOADPIN, LSM_ID_SAFESETID, LSM_ID_LOCKDOWN, LSM_ID_BPF, LSM_ID_LANDLOCK
+
+lsm_get_self_attr_flags = LSM_FLAG_SINGLE