Merge tag 'apparmor-pr-2022-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor

Pull apparmor updates from John Johansen:
 "Features:
   - switch to zstd compression for profile raw data

  Cleanups:
   - simplify obtaining the newest label on a cred
   - remove useless static inline functions
   - compute permission conversion on policy unpack
   - refactor code to share common permissins
   - refactor unpack to group policy backwards compatiblity code
   - add __init annotation to aa_{setup/teardown}_dfa_engine()

  Bug Fixes:
   - fix a memleak in
       - multi_transaction_new()
       - free_ruleset()
       - unpack_profile()
       - alloc_ns()
   - fix lockdep warning when removing a namespace
   - fix regression in stacking due to label flags
   - fix loading of child before parent
   - fix kernel-doc comments that differ from fns
   - fix spelling errors in comments
   - store return value of unpack_perms_table() to signed variable"

* tag 'apparmor-pr-2022-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor: (64 commits)
  apparmor: Fix uninitialized symbol 'array_size' in policy_unpack_test.c
  apparmor: Add __init annotation to aa_{setup/teardown}_dfa_engine()
  apparmor: Fix memleak in alloc_ns()
  apparmor: Fix memleak issue in unpack_profile()
  apparmor: fix a memleak in free_ruleset()
  apparmor: Fix spelling of function name in comment block
  apparmor: Use pointer to struct aa_label for lbs_cred
  AppArmor: Fix kernel-doc
  LSM: Fix kernel-doc
  AppArmor: Fix kernel-doc
  apparmor: Fix loading of child before parent
  apparmor: refactor code that alloc null profiles
  apparmor: fix obsoleted comments for aa_getprocattr() and audit_resource()
  apparmor: remove useless static inline functions
  apparmor: Fix unpack_profile() warn: passing zero to 'ERR_PTR'
  apparmor: fix uninitialize table variable in error in unpack_trans_table
  apparmor: store return value of unpack_perms_table() to signed variable
  apparmor: Fix kunit test for out of bounds array
  apparmor: Fix decompression of rawdata for read back to userspace
  apparmor: Fix undefined references to zstd_ symbols
  ...

1 files changed, 44 insertions, 1 deletions

diff --git a/security/apparmor/audit.c b/security/apparmor/audit.c
index 704b0c895605..5a7978aa4b19 100644
--- a/security/apparmor/audit.c
+++ b/security/apparmor/audit.c
@@ -36,6 +36,43 @@ static const char *const aa_audit_type[] = {
 	"AUTO"
 };
 
+static const char *const aa_class_names[] = {
+	"none",
+	"unknown",
+	"file",
+	"cap",
+	"net",
+	"rlimits",
+	"domain",
+	"mount",
+	"unknown",
+	"ptrace",
+	"signal",
+	"xmatch",
+	"unknown",
+	"unknown",
+	"net",
+	"unknown",
+	"label",
+	"posix_mqueue",
+	"io_uring",
+	"module",
+	"lsm",
+	"unknown",
+	"unknown",
+	"unknown",
+	"unknown",
+	"unknown",
+	"unknown",
+	"unknown",
+	"unknown",
+	"unknown",
+	"unknown",
+	"X",
+	"dbus",
+};
+
+
 /*
  * Currently AppArmor auditing is fed straight into the audit framework.
  *
@@ -46,7 +83,7 @@ static const char *const aa_audit_type[] = {
  */
 
 /**
- * audit_base - core AppArmor function.
+ * audit_pre() - core AppArmor function.
  * @ab: audit buffer to fill (NOT NULL)
  * @ca: audit structure containing data to audit (NOT NULL)
  *
@@ -65,6 +102,12 @@ static void audit_pre(struct audit_buffer *ab, void *ca)
 		audit_log_format(ab, " operation=\"%s\"", aad(sa)->op);
 	}
 
+	if (aad(sa)->class)
+		audit_log_format(ab, " class=\"%s\"",
+				 aad(sa)->class <= AA_CLASS_LAST ?
+				 aa_class_names[aad(sa)->class] :
+				 "unknown");
+
 	if (aad(sa)->info) {
 		audit_log_format(ab, " info=\"%s\"", aad(sa)->info);
 		if (aad(sa)->error)