Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted

Pull media updates from Mauro Carvalho Chehab:

 - v4l2-core: added ISP statistics support and per-block validation

 - v4l2-core: Allow unknown HDR10 white point and luminance

 - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor

 - New codec: Milos: VPU v2.0 codec support

 - isp driver: gained support for Dreamchip RPPX1 ISP framework

 - vsp1 driver: gained support for RZ/T2H and RZ/N2H

 - Novalake driver: gained CVS support for new NVL hardware

 - dvb-core: fix feed leak on failed DMX_ADD_PID

 - several driver fixes, cleanups and minor improvements

* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
  media: ipu-bridge: check all DMI entries when overriding sensor rotation
  media: v4l2-async: avoid deleting unlinked ASC entry on link error
  media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
  media: intel/ipu6: fix async notifier cleanup leak on parse error
  media: staging/ipu7: fix async notifier UAF on probe error path
  media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
  media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
  media: rcar-isp: Fix VSPX reference leaks
  media: rcar-isp: Release ISPCORE resources
  media: i2c: imx415: Release runtime PM reference on VBLANK error
  media: i2c: imx415: Return test pattern write errors
  media: renesas: vsp1: Declare index variables in for loop statement
  media: renesas: vsp1: Make reset control optional to support platforms without a reset line
  media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
  media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
  media: nxp: imx8-isi: Add additional 32-bit RGB format support
  media: nxp: imx8-isi: Add 16-bit raw Bayer format support
  media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
  media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
  media: nxp: imx8-isi: Correct color map between V4L2 and ISI
  ...

1 files changed, 291 insertions, 0 deletions

diff --git a/security/apparmor/audit.c b/security/apparmor/audit.c
new file mode 100644
index 000000000..4a60b6fda
--- /dev/null
+++ b/security/apparmor/audit.c
@@ -0,0 +1,291 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * AppArmor security module
+ *
+ * This file contains AppArmor auditing functions
+ *
+ * Copyright (C) 1998-2008 Novell/SUSE
+ * Copyright 2009-2010 Canonical Ltd.
+ */
+
+#include <linux/audit.h>
+#include <linux/socket.h>
+
+#include "include/apparmor.h"
+#include "include/audit.h"
+#include "include/policy.h"
+#include "include/policy_ns.h"
+#include "include/secid.h"
+
+const char *const audit_mode_names[] = {
+	"normal",
+	"quiet_denied",
+	"quiet",
+	"noquiet",
+	"all"
+};
+
+static const char *const aa_audit_type[] = {
+	"AUDIT",
+	"ALLOWED",
+	"DENIED",
+	"HINT",
+	"STATUS",
+	"ERROR",
+	"KILLED",
+	"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",
+	"namespace",
+	"io_uring",
+	"unknown",
+	"unknown",
+	"unknown",
+	"unknown",
+	"unknown",
+	"unknown",
+	"unknown",
+	"unknown",
+	"X",
+	"dbus",
+};
+
+
+/*
+ * Currently AppArmor auditing is fed straight into the audit framework.
+ *
+ * TODO:
+ * netlink interface for complain mode
+ * user auditing, - send user auditing to netlink interface
+ * system control of whether user audit messages go to system log
+ */
+
+/**
+ * audit_pre() - core AppArmor function.
+ * @ab: audit buffer to fill (NOT NULL)
+ * @va: audit structure containing data to audit (NOT NULL)
+ *
+ * Record common AppArmor audit data from @va
+ */
+static void audit_pre(struct audit_buffer *ab, void *va)
+{
+	struct apparmor_audit_data *ad = aad_of_va(va);
+
+	if (aa_g_audit_header) {
+		audit_log_format(ab, "apparmor=\"%s\"",
+				 aa_audit_type[ad->type]);
+	}
+
+	if (ad->op)
+		audit_log_format(ab, " operation=\"%s\"", ad->op);
+
+	if (ad->class)
+		audit_log_format(ab, " class=\"%s\"",
+				 ad->class <= AA_CLASS_LAST ?
+				 aa_class_names[ad->class] :
+				 "unknown");
+
+	if (ad->info) {
+		audit_log_format(ab, " info=\"%s\"", ad->info);
+		if (ad->error)
+			audit_log_format(ab, " error=%d", ad->error);
+	}
+
+	if (ad->subj_label) {
+		struct aa_label *label = ad->subj_label;
+
+		if (label_isprofile(label)) {
+			struct aa_profile *profile = labels_profile(label);
+
+			if (profile->ns != root_ns) {
+				audit_log_format(ab, " namespace=");
+				audit_log_untrustedstring(ab,
+						       profile->ns->base.hname);
+			}
+			audit_log_format(ab, " profile=");
+			audit_log_untrustedstring(ab, profile->base.hname);
+		} else {
+			audit_log_format(ab, " label=");
+			aa_label_xaudit(ab, root_ns, label, FLAG_VIEW_SUBNS,
+					GFP_ATOMIC);
+		}
+	}
+
+	if (ad->name) {
+		audit_log_format(ab, " name=");
+		audit_log_untrustedstring(ab, ad->name);
+	}
+}
+
+/**
+ * aa_audit_msg - Log a message to the audit subsystem
+ * @type: audit type for the message
+ * @ad: audit event structure (NOT NULL)
+ * @cb: optional callback fn for type specific fields (MAYBE NULL)
+ */
+void aa_audit_msg(int type, struct apparmor_audit_data *ad,
+		  void (*cb) (struct audit_buffer *, void *))
+{
+	ad->type = type;
+	common_lsm_audit(&ad->common, audit_pre, cb);
+}
+
+/**
+ * aa_audit - Log a profile based audit event to the audit subsystem
+ * @type: audit type for the message
+ * @profile: profile to check against (NOT NULL)
+ * @ad: audit event (NOT NULL)
+ * @cb: optional callback fn for type specific fields (MAYBE NULL)
+ *
+ * Handle default message switching based off of audit mode flags
+ *
+ * Returns: error on failure
+ */
+int aa_audit(int type, struct aa_profile *profile,
+	     struct apparmor_audit_data *ad,
+	     void (*cb) (struct audit_buffer *, void *))
+{
+	AA_BUG(!profile);
+
+	if (type == AUDIT_APPARMOR_AUTO) {
+		if (likely(!ad->error)) {
+			if (AUDIT_MODE(profile) != AUDIT_ALL)
+				return 0;
+			type = AUDIT_APPARMOR_AUDIT;
+		} else if (COMPLAIN_MODE(profile))
+			type = AUDIT_APPARMOR_ALLOWED;
+		else
+			type = AUDIT_APPARMOR_DENIED;
+	}
+	if (AUDIT_MODE(profile) == AUDIT_QUIET ||
+	    (type == AUDIT_APPARMOR_DENIED &&
+	     AUDIT_MODE(profile) == AUDIT_QUIET_DENIED))
+		return ad->error;
+
+	if (KILL_MODE(profile) && type == AUDIT_APPARMOR_DENIED)
+		type = AUDIT_APPARMOR_KILL;
+
+	ad->subj_label = &profile->label;
+
+	aa_audit_msg(type, ad, cb);
+
+	if (ad->type == AUDIT_APPARMOR_KILL)
+		(void)send_sig_info(profile->signal, NULL,
+			ad->common.type == LSM_AUDIT_DATA_TASK &&
+			ad->common.u.tsk ? ad->common.u.tsk : current);
+
+	if (ad->type == AUDIT_APPARMOR_ALLOWED)
+		return complain_error(ad->error);
+
+	return ad->error;
+}
+
+struct aa_audit_rule {
+	struct aa_label *label;
+};
+
+void aa_audit_rule_free(void *vrule)
+{
+	struct aa_audit_rule *rule = vrule;
+
+	if (rule) {
+		if (!IS_ERR(rule->label))
+			aa_put_label(rule->label);
+		kfree(rule);
+	}
+}
+
+int aa_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule, gfp_t gfp)
+{
+	struct aa_audit_rule *rule;
+
+	switch (field) {
+	case AUDIT_SUBJ_ROLE:
+		if (op != Audit_equal && op != Audit_not_equal)
+			return -EINVAL;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	rule = kzalloc_obj(struct aa_audit_rule, gfp);
+
+	if (!rule)
+		return -ENOMEM;
+
+	/* Currently rules are treated as coming from the root ns */
+	rule->label = aa_label_parse(&root_ns->unconfined->label, rulestr,
+				     gfp, true, false);
+	if (IS_ERR(rule->label)) {
+		int err = PTR_ERR(rule->label);
+		aa_audit_rule_free(rule);
+		return err;
+	}
+
+	*vrule = rule;
+	return 0;
+}
+
+int aa_audit_rule_known(struct audit_krule *rule)
+{
+	int i;
+
+	for (i = 0; i < rule->field_count; i++) {
+		struct audit_field *f = &rule->fields[i];
+
+		switch (f->type) {
+		case AUDIT_SUBJ_ROLE:
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+int aa_audit_rule_match(struct lsm_prop *prop, u32 field, u32 op, void *vrule)
+{
+	struct aa_audit_rule *rule = vrule;
+	struct aa_label *label;
+	int found = 0;
+
+	label = prop->apparmor.label;
+
+	if (!label)
+		return -ENOENT;
+
+	if (aa_label_is_subset(label, rule->label))
+		found = 1;
+
+	switch (field) {
+	case AUDIT_SUBJ_ROLE:
+		switch (op) {
+		case Audit_equal:
+			return found;
+		case Audit_not_equal:
+			return !found;
+		}
+	}
+	return 0;
+}