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Message-ID: <20230828195802.135055-7-casey@schaufler-ca.com>
Date: Mon, 28 Aug 2023 12:57:56 -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 v14 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 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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