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Message-ID: <20230912205658.3432-7-casey@schaufler-ca.com>
Date:   Tue, 12 Sep 2023 13:56:51 -0700
From:   Casey Schaufler <casey@...aufler-ca.com>
To:     casey@...aufler-ca.com, paul@...l-moore.com,
        linux-security-module@...r.kernel.org
Cc:     jmorris@...ei.org, serge@...lyn.com, keescook@...omium.org,
        john.johansen@...onical.com, penguin-kernel@...ove.sakura.ne.jp,
        stephen.smalley.work@...il.com, linux-kernel@...r.kernel.org,
        linux-api@...r.kernel.org, mic@...ikod.net,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: [PATCH v15 06/11] LSM: wireup Linux Security Module syscalls

Wireup lsm_get_self_attr, lsm_set_self_attr and lsm_list_modules
system calls.

Signed-off-by: Casey Schaufler <casey@...aufler-ca.com>
Reviewed-by: Kees Cook <keescook@...omium.org>
Acked-by: Geert Uytterhoeven <geert@...ux-m68k.org>
Acked-by: Arnd Bergmann <arnd@...db.de>
Cc: linux-api@...r.kernel.org
---
 arch/alpha/kernel/syscalls/syscall.tbl              | 3 +++
 arch/arm/tools/syscall.tbl                          | 3 +++
 arch/arm64/include/asm/unistd.h                     | 2 +-
 arch/arm64/include/asm/unistd32.h                   | 6 ++++++
 arch/ia64/kernel/syscalls/syscall.tbl               | 3 +++
 arch/m68k/kernel/syscalls/syscall.tbl               | 3 +++
 arch/microblaze/kernel/syscalls/syscall.tbl         | 3 +++
 arch/mips/kernel/syscalls/syscall_n32.tbl           | 3 +++
 arch/mips/kernel/syscalls/syscall_n64.tbl           | 3 +++
 arch/mips/kernel/syscalls/syscall_o32.tbl           | 3 +++
 arch/parisc/kernel/syscalls/syscall.tbl             | 3 +++
 arch/powerpc/kernel/syscalls/syscall.tbl            | 3 +++
 arch/s390/kernel/syscalls/syscall.tbl               | 3 +++
 arch/sh/kernel/syscalls/syscall.tbl                 | 3 +++
 arch/sparc/kernel/syscalls/syscall.tbl              | 3 +++
 arch/x86/entry/syscalls/syscall_32.tbl              | 3 +++
 arch/x86/entry/syscalls/syscall_64.tbl              | 3 +++
 arch/xtensa/kernel/syscalls/syscall.tbl             | 3 +++
 include/uapi/asm-generic/unistd.h                   | 9 ++++++++-
 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl | 3 +++
 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl  | 3 +++
 tools/perf/arch/s390/entry/syscalls/syscall.tbl     | 3 +++
 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl   | 3 +++
 23 files changed, 75 insertions(+), 2 deletions(-)

diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl
index ad37569d0507..01f4d0889a36 100644
--- a/arch/alpha/kernel/syscalls/syscall.tbl
+++ b/arch/alpha/kernel/syscalls/syscall.tbl
@@ -492,3 +492,6 @@
 560	common	set_mempolicy_home_node		sys_ni_syscall
 561	common	cachestat			sys_cachestat
 562	common	fchmodat2			sys_fchmodat2
+563	common	lsm_get_self_attr		sys_lsm_get_self_attr
+564	common	lsm_set_self_attr		sys_lsm_set_self_attr
+565	common	lsm_list_modules		sys_lsm_list_modules
diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl
index c572d6c3dee0..e12db7b9fb8d 100644
--- a/arch/arm/tools/syscall.tbl
+++ b/arch/arm/tools/syscall.tbl
@@ -466,3 +466,6 @@
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
 452	common	fchmodat2			sys_fchmodat2
+453	common	lsm_get_self_attr		sys_lsm_get_self_attr
+454	common	lsm_set_self_attr		sys_lsm_set_self_attr
+455	common	lsm_list_modules		sys_lsm_list_modules
diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h
index bd77253b62e0..f33190f17ebb 100644
--- a/arch/arm64/include/asm/unistd.h
+++ b/arch/arm64/include/asm/unistd.h
@@ -39,7 +39,7 @@
 #define __ARM_NR_compat_set_tls		(__ARM_NR_COMPAT_BASE + 5)
 #define __ARM_NR_COMPAT_END		(__ARM_NR_COMPAT_BASE + 0x800)
 
-#define __NR_compat_syscalls		453
+#define __NR_compat_syscalls		456
 #endif
 
 #define __ARCH_WANT_SYS_CLONE
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index 78b68311ec81..557345b38893 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -911,6 +911,12 @@ __SYSCALL(__NR_set_mempolicy_home_node, sys_set_mempolicy_home_node)
 __SYSCALL(__NR_cachestat, sys_cachestat)
 #define __NR_fchmodat2 452
 __SYSCALL(__NR_fchmodat2, sys_fchmodat2)
+#define __NR_lsm_get_self_attr 453
+__SYSCALL(__NR_lsm_get_self_attr, sys_lsm_get_self_attr)
+#define __NR_lsm_set_self_attr 454
+__SYSCALL(__NR_lsm_set_self_attr, sys_lsm_set_self_attr)
+#define __NR_lsm_list_modules 455
+__SYSCALL(__NR_lsm_list_modules, sys_lsm_list_modules)
 
 /*
  * Please add new compat syscalls above this comment and update
diff --git a/arch/ia64/kernel/syscalls/syscall.tbl b/arch/ia64/kernel/syscalls/syscall.tbl
index 83d8609aec03..b4f9746a36fb 100644
--- a/arch/ia64/kernel/syscalls/syscall.tbl
+++ b/arch/ia64/kernel/syscalls/syscall.tbl
@@ -373,3 +373,6 @@
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
 452	common	fchmodat2			sys_fchmodat2
+453	common	lsm_get_self_attr		sys_lsm_get_self_attr
+454	common	lsm_set_self_attr		sys_lsm_set_self_attr
+455	common	lsm_list_modules		sys_lsm_list_modules
diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/syscalls/syscall.tbl
index 259ceb125367..215547a74374 100644
--- a/arch/m68k/kernel/syscalls/syscall.tbl
+++ b/arch/m68k/kernel/syscalls/syscall.tbl
@@ -452,3 +452,6 @@
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
 452	common	fchmodat2			sys_fchmodat2
+453	common	lsm_get_self_attr		sys_lsm_get_self_attr
+454	common	lsm_set_self_attr		sys_lsm_set_self_attr
+455	common	lsm_list_modules		sys_lsm_list_modules
diff --git a/arch/microblaze/kernel/syscalls/syscall.tbl b/arch/microblaze/kernel/syscalls/syscall.tbl
index a3798c2637fd..24174dc2045f 100644
--- a/arch/microblaze/kernel/syscalls/syscall.tbl
+++ b/arch/microblaze/kernel/syscalls/syscall.tbl
@@ -458,3 +458,6 @@
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
 452	common	fchmodat2			sys_fchmodat2
+453	common	lsm_get_self_attr		sys_lsm_get_self_attr
+454	common	lsm_set_self_attr		sys_lsm_set_self_attr
+455	common	lsm_list_modules		sys_lsm_list_modules
diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl
index 152034b8e0a0..dc3395c37b1e 100644
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -391,3 +391,6 @@
 450	n32	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	n32	cachestat			sys_cachestat
 452	n32	fchmodat2			sys_fchmodat2
+453	n32	lsm_get_self_attr		sys_lsm_get_self_attr
+454	n32	lsm_set_self_attr		sys_lsm_set_self_attr
+455	n32	lsm_list_modules		sys_lsm_list_modules
diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl
index cb5e757f6621..06cad00543e8 100644
--- a/arch/mips/kernel/syscalls/syscall_n64.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n64.tbl
@@ -367,3 +367,6 @@
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	n64	cachestat			sys_cachestat
 452	n64	fchmodat2			sys_fchmodat2
+453	n64	lsm_get_self_attr		sys_lsm_get_self_attr
+454	n64	lsm_set_self_attr		sys_lsm_set_self_attr
+455	n64	lsm_list_modules		sys_lsm_list_modules
diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
index 1a646813afdc..6ecc14091da3 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -440,3 +440,6 @@
 450	o32	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	o32	cachestat			sys_cachestat
 452	o32	fchmodat2			sys_fchmodat2
+453	o32	lsm_get_self_attr		sys_lsm_get_self_attr
+454	032	lsm_set_self_attr		sys_lsm_set_self_attr
+455	o32	lsm_list_modules		sys_lsm_list_modules
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index e97c175b56f9..5b321bb46374 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -451,3 +451,6 @@
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
 452	common	fchmodat2			sys_fchmodat2
+453	common	lsm_get_self_attr		sys_lsm_get_self_attr
+454	common	lsm_set_self_attr		sys_lsm_set_self_attr
+455	common	lsm_list_modules		sys_lsm_list_modules
diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
index 20e50586e8a2..491eea2f88ba 100644
--- a/arch/powerpc/kernel/syscalls/syscall.tbl
+++ b/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -539,3 +539,6 @@
 450 	nospu	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
 452	common	fchmodat2			sys_fchmodat2
+453	common	lsm_get_self_attr		sys_lsm_get_self_attr
+454	common	lsm_set_self_attr		sys_lsm_set_self_attr
+455	common	lsm_list_modules		sys_lsm_list_modules
diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl
index 0122cc156952..653400f82211 100644
--- a/arch/s390/kernel/syscalls/syscall.tbl
+++ b/arch/s390/kernel/syscalls/syscall.tbl
@@ -455,3 +455,6 @@
 450  common	set_mempolicy_home_node	sys_set_mempolicy_home_node	sys_set_mempolicy_home_node
 451  common	cachestat		sys_cachestat			sys_cachestat
 452  common	fchmodat2		sys_fchmodat2			sys_fchmodat2
+453  common	lsm_get_self_attr	sys_lsm_get_self_attr		sys_lsm_get_self_attr
+454  common	lsm_set_self_attr	sys_lsm_set_self_attr		sys_lsm_set_self_attr
+455  common	lsm_list_modules	sys_lsm_list_modules		sys_lsm_list_modules
diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl
index e90d585c4d3e..a4bc4047858e 100644
--- a/arch/sh/kernel/syscalls/syscall.tbl
+++ b/arch/sh/kernel/syscalls/syscall.tbl
@@ -455,3 +455,6 @@
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
 452	common	fchmodat2			sys_fchmodat2
+453	common	lsm_get_self_attr		sys_lsm_get_self_attr
+454	common	lsm_set_self_attr		sys_lsm_set_self_attr
+455	common	lsm_list_modules		sys_lsm_list_modules
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index 4ed06c71c43f..b134ad689789 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -498,3 +498,6 @@
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
 452	common	fchmodat2			sys_fchmodat2
+453	common	lsm_get_self_attr		sys_lsm_get_self_attr
+454	common	lsm_set_self_attr		sys_lsm_set_self_attr
+455	common	lsm_list_modules		sys_lsm_list_modules
diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl
index 2d0b1bd866ea..e921e0d6c4b3 100644
--- a/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/arch/x86/entry/syscalls/syscall_32.tbl
@@ -457,3 +457,6 @@
 450	i386	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	i386	cachestat		sys_cachestat
 452	i386	fchmodat2		sys_fchmodat2
+453	i386	lsm_get_self_attr	sys_lsm_get_self_attr
+454	i386	lsm_set_self_attr	sys_lsm_set_self_attr
+455	i386	lsm_list_modules	sys_lsm_list_modules
diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl
index 1d6eee30eceb..b70920626b8c 100644
--- a/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/arch/x86/entry/syscalls/syscall_64.tbl
@@ -375,6 +375,9 @@
 451	common	cachestat		sys_cachestat
 452	common	fchmodat2		sys_fchmodat2
 453	64	map_shadow_stack	sys_map_shadow_stack
+454	common	lsm_get_self_attr	sys_lsm_get_self_attr
+455	common	lsm_set_self_attr	sys_lsm_set_self_attr
+456	common	lsm_list_modules	sys_lsm_list_modules
 
 #
 # Due to a historical design error, certain syscalls are numbered differently
diff --git a/arch/xtensa/kernel/syscalls/syscall.tbl b/arch/xtensa/kernel/syscalls/syscall.tbl
index fc1a4f3c81d9..e1fe5ed7cad8 100644
--- a/arch/xtensa/kernel/syscalls/syscall.tbl
+++ b/arch/xtensa/kernel/syscalls/syscall.tbl
@@ -423,3 +423,6 @@
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
 452	common	fchmodat2			sys_fchmodat2
+453	common	lsm_get_self_attr		sys_lsm_get_self_attr
+454	common	lsm_set_self_attr		sys_lsm_set_self_attr
+455	common	lsm_list_modules		sys_lsm_list_modules
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index abe087c53b4b..f10906c71711 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -823,8 +823,15 @@ __SYSCALL(__NR_cachestat, sys_cachestat)
 #define __NR_fchmodat2 452
 __SYSCALL(__NR_fchmodat2, sys_fchmodat2)
 
+#define __NR_lsm_get_self_attr 453
+__SYSCALL(__NR_lsm_get_self_attr, sys_lsm_get_self_attr)
+#define __NR_lsm_set_self_attr 454
+__SYSCALL(__NR_lsm_set_self_attr, sys_lsm_set_self_attr)
+#define __NR_lsm_list_modules 455
+__SYSCALL(__NR_lsm_list_modules, sys_lsm_list_modules)
+
 #undef __NR_syscalls
-#define __NR_syscalls 453
+#define __NR_syscalls 456
 
 /*
  * 32 bit systems traditionally used different
diff --git a/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
index cfda2511badf..371fce3750c2 100644
--- a/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
+++ b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
@@ -366,3 +366,6 @@
 449	n64	futex_waitv			sys_futex_waitv
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	n64	cachestat			sys_cachestat
+453	n64	lsm_get_self_attr		sys_lsm_get_self_attr
+454	n64	lsm_set_self_attr		sys_lsm_set_self_attr
+455	n64	lsm_list_modules		sys_lsm_list_modules
diff --git a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
index 8c0b08b7a80e..35b07f417059 100644
--- a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
@@ -538,3 +538,6 @@
 449	common  futex_waitv                     sys_futex_waitv
 450 	nospu	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
+453	common	lsm_get_self_attr		sys_lsm_get_self_attr
+454	common	lsm_set_self_attr		sys_lsm_set_self_attr
+455	common	lsm_list_modules		sys_lsm_list_modules
diff --git a/tools/perf/arch/s390/entry/syscalls/syscall.tbl b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
index a6935af2235c..2d196937aff3 100644
--- a/tools/perf/arch/s390/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
@@ -454,3 +454,6 @@
 449  common	futex_waitv		sys_futex_waitv			sys_futex_waitv
 450  common	set_mempolicy_home_node	sys_set_mempolicy_home_node	sys_set_mempolicy_home_node
 451  common	cachestat		sys_cachestat			sys_cachestat
+453  common	lsm_get_self_attr	sys_lsm_get_self_attr	sys_lsm_get_self_attr
+454  common	lsm_set_self_attr	sys_lsm_set_self_attr	sys_lsm_set_self_attr
+455  common	lsm_list_modules	sys_lsm_list_modules	sys_lsm_list_modules
diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
index 227538b0ce80..24dc86e52ddd 100644
--- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
@@ -373,6 +373,9 @@
 449	common	futex_waitv		sys_futex_waitv
 450	common	set_mempolicy_home_node	sys_set_mempolicy_home_node
 451	common	cachestat		sys_cachestat
+453	common	lsm_get_self_attr	sys_lsm_get_self_attr
+454	common	lsm_set_self_attr	sys_lsm_set_self_attr
+455	common	lsm_list_modules	sys_lsm_list_modules
 
 #
 # Due to a historical design error, certain syscalls are numbered differently
-- 
2.41.0

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