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ARM: add seccomp syscall

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Wires up the new seccomp syscall.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>

Conflicts:
	arch/arm/include/uapi/asm/unistd.h
	arch/arm/kernel/calls.S

Change-Id: Ia519993681f70bd38699a73d8897ae9b44b3f0af
This commit is contained in:
Kees Cook
2014-06-10 15:40:23 -07:00
committed by JP Abgrall
parent a75a29b16e
commit 83f1ccba87
2 changed files with 10 additions and 0 deletions
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6
arch/arm/include/uapi/asm/unistd.h
View File

@@ -406,6 +406,12 @@
#define __NR_process_vm_writev (__NR_SYSCALL_BASE+377) #define __NR_process_vm_writev (__NR_SYSCALL_BASE+377)
#define __NR_kcmp (__NR_SYSCALL_BASE+378) #define __NR_kcmp (__NR_SYSCALL_BASE+378)
#define __NR_finit_module (__NR_SYSCALL_BASE+379) #define __NR_finit_module (__NR_SYSCALL_BASE+379)
/* Backporting seccomp, skip a few ...
* #define __NR_sched_setattr (__NR_SYSCALL_BASE+380)
* #define __NR_sched_getattr (__NR_SYSCALL_BASE+381)
* #define __NR_renameat2 (__NR_SYSCALL_BASE+382)
*/
#define __NR_seccomp (__NR_SYSCALL_BASE+383)
/* /*
* This may need to be greater than __NR_last_syscall+1 in order to * This may need to be greater than __NR_last_syscall+1 in order to

4
arch/arm/kernel/calls.S
View File

@@ -389,6 +389,10 @@
CALL(sys_process_vm_writev) CALL(sys_process_vm_writev)
CALL(sys_kcmp) CALL(sys_kcmp)
CALL(sys_finit_module) CALL(sys_finit_module)
/* 380 */ CALL(sys_ni_syscall) /* CALL(sys_sched_setattr) */
CALL(sys_ni_syscall) /* CALL(sys_sched_getattr) */
CALL(sys_ni_syscall) /* CALL(sys_renameat2) */
CALL(sys_seccomp)
#ifndef syscalls_counted #ifndef syscalls_counted
.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
#define syscalls_counted #define syscalls_counted