[PATCH v14 06/11] LSM: wireup Linux Security Module syscalls

Casey Schaufler casey at schaufler-ca.com
Mon Aug 28 19:57:56 UTC 2023


Wireup lsm_get_self_attr, lsm_set_self_attr and lsm_list_modules
system calls.

Signed-off-by: Casey Schaufler <casey at schaufler-ca.com>
Reviewed-by: Kees Cook <keescook at chromium.org>
Acked-by: Geert Uytterhoeven <geert at linux-m68k.org>
Acked-by: Arnd Bergmann <arnd at arndb.de>
Cc: linux-api at vger.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 1f13995d00d7..bb00aecf1dc4 100644
--- a/arch/alpha/kernel/syscalls/syscall.tbl
+++ b/arch/alpha/kernel/syscalls/syscall.tbl
@@ -491,3 +491,6 @@
 559	common  futex_waitv                     sys_futex_waitv
 560	common	set_mempolicy_home_node		sys_ni_syscall
 561	common	cachestat			sys_cachestat
+562	common	lsm_get_self_attr		sys_lsm_get_self_attr
+563	common	lsm_set_self_attr		sys_lsm_set_self_attr
+564	common	lsm_list_modules		sys_lsm_list_modules
diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl
index 8ebed8a13874..a148e71905a7 100644
--- a/arch/arm/tools/syscall.tbl
+++ b/arch/arm/tools/syscall.tbl
@@ -465,3 +465,6 @@
 449	common	futex_waitv			sys_futex_waitv
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
+452	common	lsm_get_self_attr		sys_lsm_get_self_attr
+453	common	lsm_set_self_attr		sys_lsm_set_self_attr
+454	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 64a514f90131..63a8a9c4abc1 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		452
+#define __NR_compat_syscalls		455
 #endif
 
 #define __ARCH_WANT_SYS_CLONE
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index d952a28463e0..df214b7ec5dd 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -909,6 +909,12 @@ __SYSCALL(__NR_futex_waitv, sys_futex_waitv)
 __SYSCALL(__NR_set_mempolicy_home_node, sys_set_mempolicy_home_node)
 #define __NR_cachestat 451
 __SYSCALL(__NR_cachestat, sys_cachestat)
+#define __NR_lsm_get_self_attr 452
+__SYSCALL(__NR_lsm_get_self_attr, sys_lsm_get_self_attr)
+#define __NR_lsm_set_self_attr 453
+__SYSCALL(__NR_lsm_set_self_attr, sys_lsm_set_self_attr)
+#define __NR_lsm_list_modules 454
+__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 f8c74ffeeefb..1b53f9d28514 100644
--- a/arch/ia64/kernel/syscalls/syscall.tbl
+++ b/arch/ia64/kernel/syscalls/syscall.tbl
@@ -372,3 +372,6 @@
 449	common  futex_waitv                     sys_futex_waitv
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
+452	common	lsm_get_self_attr		sys_lsm_get_self_attr
+453	common	lsm_set_self_attr		sys_lsm_set_self_attr
+454	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 4f504783371f..f7a91d458f0c 100644
--- a/arch/m68k/kernel/syscalls/syscall.tbl
+++ b/arch/m68k/kernel/syscalls/syscall.tbl
@@ -451,3 +451,6 @@
 449	common  futex_waitv                     sys_futex_waitv
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
+452	common	lsm_get_self_attr		sys_lsm_get_self_attr
+453	common	lsm_set_self_attr		sys_lsm_set_self_attr
+454	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 858d22bf275c..2b24b19a9bec 100644
--- a/arch/microblaze/kernel/syscalls/syscall.tbl
+++ b/arch/microblaze/kernel/syscalls/syscall.tbl
@@ -457,3 +457,6 @@
 449	common  futex_waitv                     sys_futex_waitv
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
+452	common	lsm_get_self_attr		sys_lsm_get_self_attr
+453	common	lsm_set_self_attr		sys_lsm_set_self_attr
+454	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 1976317d4e8b..0ff4072ed024 100644
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -390,3 +390,6 @@
 449	n32	futex_waitv			sys_futex_waitv
 450	n32	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	n32	cachestat			sys_cachestat
+452	n32	lsm_get_self_attr		sys_lsm_get_self_attr
+453	n32	lsm_set_self_attr		sys_lsm_set_self_attr
+454	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 cfda2511badf..9c38818dd9f9 100644
--- a/arch/mips/kernel/syscalls/syscall_n64.tbl
+++ b/arch/mips/kernel/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
+452	n64	lsm_get_self_attr		sys_lsm_get_self_attr
+453	n64	lsm_set_self_attr		sys_lsm_set_self_attr
+454	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 7692234c3768..a07e1ba91511 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -439,3 +439,6 @@
 449	o32	futex_waitv			sys_futex_waitv
 450	o32	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	o32	cachestat			sys_cachestat
+452	o32	lsm_get_self_attr		sys_lsm_get_self_attr
+453	032	lsm_set_self_attr		sys_lsm_set_self_attr
+454	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 a0a9145b6dd4..36cc0130ee1d 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -450,3 +450,6 @@
 449	common	futex_waitv			sys_futex_waitv
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
+452	common	lsm_get_self_attr		sys_lsm_get_self_attr
+453	common	lsm_set_self_attr		sys_lsm_set_self_attr
+454	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 8c0b08b7a80e..fe2ba9e8a413 100644
--- a/arch/powerpc/kernel/syscalls/syscall.tbl
+++ b/arch/powerpc/kernel/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
+452	common	lsm_get_self_attr		sys_lsm_get_self_attr
+453	common	lsm_set_self_attr		sys_lsm_set_self_attr
+454	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 a6935af2235c..fe3fc23697b0 100644
--- a/arch/s390/kernel/syscalls/syscall.tbl
+++ b/arch/s390/kernel/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
+452  common	lsm_get_self_attr	sys_lsm_get_self_attr		sys_lsm_get_self_attr
+453  common	lsm_set_self_attr	sys_lsm_set_self_attr		sys_lsm_set_self_attr
+454  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 97377e8c5025..319968dccde9 100644
--- a/arch/sh/kernel/syscalls/syscall.tbl
+++ b/arch/sh/kernel/syscalls/syscall.tbl
@@ -454,3 +454,6 @@
 449	common  futex_waitv                     sys_futex_waitv
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
+452	common	lsm_get_self_attr		sys_lsm_get_self_attr
+453	common	lsm_set_self_attr		sys_lsm_set_self_attr
+454	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 faa835f3c54a..9ca3fb4c05de 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -497,3 +497,6 @@
 449	common  futex_waitv                     sys_futex_waitv
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
+452	common	lsm_get_self_attr		sys_lsm_get_self_attr
+453	common	lsm_set_self_attr		sys_lsm_set_self_attr
+454	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 bc0a3c941b35..4caa3c415528 100644
--- a/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/arch/x86/entry/syscalls/syscall_32.tbl
@@ -456,3 +456,6 @@
 449	i386	futex_waitv		sys_futex_waitv
 450	i386	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	i386	cachestat		sys_cachestat
+452	i386	lsm_get_self_attr	sys_lsm_get_self_attr
+453	i386	lsm_set_self_attr	sys_lsm_set_self_attr
+454	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 227538b0ce80..c5f85f93e80b 100644
--- a/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/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
+452	common	lsm_get_self_attr	sys_lsm_get_self_attr
+453	common	lsm_set_self_attr	sys_lsm_set_self_attr
+454	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 2b69c3c035b6..509379512c27 100644
--- a/arch/xtensa/kernel/syscalls/syscall.tbl
+++ b/arch/xtensa/kernel/syscalls/syscall.tbl
@@ -422,3 +422,6 @@
 449	common  futex_waitv                     sys_futex_waitv
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
+452	common	lsm_get_self_attr		sys_lsm_get_self_attr
+453	common	lsm_set_self_attr		sys_lsm_set_self_attr
+454	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 fd6c1cb585db..b5588efc0933 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -820,8 +820,15 @@ __SYSCALL(__NR_set_mempolicy_home_node, sys_set_mempolicy_home_node)
 #define __NR_cachestat 451
 __SYSCALL(__NR_cachestat, sys_cachestat)
 
+#define __NR_lsm_get_self_attr 452
+__SYSCALL(__NR_lsm_get_self_attr, sys_lsm_get_self_attr)
+#define __NR_lsm_set_self_attr 453
+__SYSCALL(__NR_lsm_set_self_attr, sys_lsm_set_self_attr)
+#define __NR_lsm_list_modules 454
+__SYSCALL(__NR_lsm_list_modules, sys_lsm_list_modules)
+
 #undef __NR_syscalls
-#define __NR_syscalls 452
+#define __NR_syscalls 455
 
 /*
  * 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..9c38818dd9f9 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
+452	n64	lsm_get_self_attr		sys_lsm_get_self_attr
+453	n64	lsm_set_self_attr		sys_lsm_set_self_attr
+454	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..fe2ba9e8a413 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
+452	common	lsm_get_self_attr		sys_lsm_get_self_attr
+453	common	lsm_set_self_attr		sys_lsm_set_self_attr
+454	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..a18e9d7cf92b 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
+452  common	lsm_get_self_attr	sys_lsm_get_self_attr	sys_lsm_get_self_attr
+453  common	lsm_set_self_attr	sys_lsm_set_self_attr	sys_lsm_set_self_attr
+454  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..c5f85f93e80b 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
+452	common	lsm_get_self_attr	sys_lsm_get_self_attr
+453	common	lsm_set_self_attr	sys_lsm_set_self_attr
+454	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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