Thread (47 messages) 47 messages, 7 authors, 2022-11-11

Re: [PATCH v1 8/8] lsm: wireup syscalls lsm_self_attr and lsm_module_list

From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: 2022-10-26 08:08:03
Also in: linux-perf-users, linux-security-module, lkml

Possibly related (same subject, not in this thread)

Hi Casey,

CC linux-perf

On Tue, Oct 25, 2022 at 8:52 PM Casey Schaufler [off-list ref] wrote:
Wireup two syscalls for Linux Security Modules.

Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Thanks for your patch!
 arch/m68k/kernel/syscalls/syscall.tbl               | 2 ++
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k
quoted hunk ↗ jump to hunk
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -907,6 +907,8 @@ __SYSCALL(__NR_process_mrelease, sys_process_mrelease)
 __SYSCALL(__NR_futex_waitv, sys_futex_waitv)
 #define __NR_set_mempolicy_home_node 450
 __SYSCALL(__NR_set_mempolicy_home_node, sys_set_mempolicy_home_node)
+#define __NR_lsm_attr_set 451
+__SYSCALL(__NR_lsm_attr_set, sys_lsm_attr_set)
Missing lsm_module_list.
 /*
  * Please add new compat syscalls above this comment and update
quoted hunk ↗ jump to hunk
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -886,8 +886,11 @@ __SYSCALL(__NR_futex_waitv, sys_futex_waitv)
 #define __NR_set_mempolicy_home_node 450
 __SYSCALL(__NR_set_mempolicy_home_node, sys_set_mempolicy_home_node)

+#define __NR_lsm_self_attr 451
+__SYSCALL(__NR_lsm_self_attr, sys_lsm_self_attr)
Missing lsm_module_list.
+
 #undef __NR_syscalls
-#define __NR_syscalls 451
+#define __NR_syscalls 452
Hence one off.
quoted hunk ↗ jump to hunk
--- a/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
+++ b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
@@ -365,3 +365,5 @@
 448    n64     process_mrelease                sys_process_mrelease
 449    n64     futex_waitv                     sys_futex_waitv
 450    common  set_mempolicy_home_node         sys_set_mempolicy_home_node
+451    n64     lsm_self_attr                   sys_lsm_self_attr
+452    n64     lsm_module_list                 sys_lsm_module_list
diff --git a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
index 2bca64f96164..7b779080acbe 100644
--- a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
@@ -530,3 +530,5 @@
 448    common  process_mrelease                sys_process_mrelease
 449    common  futex_waitv                     sys_futex_waitv
 450    nospu   set_mempolicy_home_node         sys_set_mempolicy_home_node
+451    common  lsm_self_attr                   sys_lsm_self_attr
+452    common  lsm_module_list                 sys_lsm_module_list
diff --git a/tools/perf/arch/s390/entry/syscalls/syscall.tbl b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
index 799147658dee..eaba1ed5654e 100644
--- a/tools/perf/arch/s390/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
@@ -453,3 +453,5 @@
 448  common    process_mrelease        sys_process_mrelease            sys_process_mrelease
 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    lsm_self_attr           sys_lsm_self_attr       sys_lsm_self_attr
+452  common    lsm_module_list         sys_lsm_module_list     sys_lsm_module_list
diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
index c84d12608cd2..40b35e7069a7 100644
--- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
@@ -372,6 +372,8 @@
 448    common  process_mrelease        sys_process_mrelease
 449    common  futex_waitv             sys_futex_waitv
 450    common  set_mempolicy_home_node sys_set_mempolicy_home_node
+451    common  lsm_self_attr           sys_lsm_self_attr
+452    common  lsm_module_list         sys_lsm_module_list
BTW, why are the syscall tables not shared between arch/ and tools/perf/?
They seem to be identical (except for ppc due to 32/64 vs. common)?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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