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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /security/landlock/audit.h
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
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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 ...
Diffstat (limited to 'security/landlock/audit.h')
-rw-r--r--security/landlock/audit.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/security/landlock/audit.h b/security/landlock/audit.h
new file mode 100644
index 000000000..620f8a242
--- /dev/null
+++ b/security/landlock/audit.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Landlock - Audit helpers
+ *
+ * Copyright © 2023-2025 Microsoft Corporation
+ */
+
+#ifndef _SECURITY_LANDLOCK_AUDIT_H
+#define _SECURITY_LANDLOCK_AUDIT_H
+
+#include <linux/audit.h>
+#include <linux/lsm_audit.h>
+
+#include "access.h"
+#include "cred.h"
+
+enum landlock_request_type {
+ LANDLOCK_REQUEST_PTRACE = 1,
+ LANDLOCK_REQUEST_FS_CHANGE_TOPOLOGY,
+ LANDLOCK_REQUEST_FS_ACCESS,
+ LANDLOCK_REQUEST_NET_ACCESS,
+ LANDLOCK_REQUEST_SCOPE_ABSTRACT_UNIX_SOCKET,
+ LANDLOCK_REQUEST_SCOPE_SIGNAL,
+};
+
+/*
+ * We should be careful to only use a variable of this type for
+ * landlock_log_denial(). This way, the compiler can remove it entirely if
+ * CONFIG_AUDIT is not set.
+ */
+struct landlock_request {
+ /* Mandatory fields. */
+ enum landlock_request_type type;
+ struct common_audit_data audit;
+
+ /**
+ * layer_plus_one: First layer level that denies the request + 1. The
+ * extra one is useful to detect uninitialized field.
+ */
+ size_t layer_plus_one;
+
+ /* Required field for configurable access control. */
+ access_mask_t access;
+
+ /* Required fields for requests with layer masks. */
+ const struct layer_masks *layer_masks;
+
+ /* Required fields for requests with deny masks. */
+ const access_mask_t all_existing_optional_access;
+ deny_masks_t deny_masks;
+ optional_access_t quiet_optional_accesses;
+};
+
+#ifdef CONFIG_AUDIT
+
+void landlock_log_drop_domain(const struct landlock_hierarchy *const hierarchy);
+
+void landlock_log_denial(const struct landlock_cred_security *const subject,
+ const struct landlock_request *const request);
+
+#else /* CONFIG_AUDIT */
+
+static inline void
+landlock_log_drop_domain(const struct landlock_hierarchy *const hierarchy)
+{
+}
+
+static inline void
+landlock_log_denial(const struct landlock_cred_security *const subject,
+ const struct landlock_request *const request)
+{
+}
+
+#endif /* CONFIG_AUDIT */
+
+#endif /* _SECURITY_LANDLOCK_AUDIT_H */