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Commit cb4253aa authored by Matt Redfearn's avatar Matt Redfearn Committed by Ralf Baechle
Browse files

secomp: Constify mode1 syscall whitelist 



These values are constant and should be marked as such.

Signed-off-by: default avatarMatt Redfearn <matt.redfearn@imgtec.com>
Acked-by: default avatarKees Cook <keescook@chromium.org>
Cc: Will Drewry <wad@chromium.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: IMG-MIPSLinuxKerneldevelopers@imgtec.com
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12979/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent b1b4fad5

kernel/seccomp.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -513,14 +513,14 @@ static void seccomp_send_sigsys(int syscall, int reason) 
 * To be fully secure this must be combined with rlimit

 * To be fully secure this must be combined with rlimit

 * to limit the stack allocations too.

 * to limit the stack allocations too.

 */

 */

static int mode1_syscalls[] = {

static const int mode1_syscalls[] = {

	__NR_seccomp_read, __NR_seccomp_write, __NR_seccomp_exit, __NR_seccomp_sigreturn,

	__NR_seccomp_read, __NR_seccomp_write, __NR_seccomp_exit, __NR_seccomp_sigreturn,

	0, /* null terminated */

	0, /* null terminated */

};

};





static void __secure_computing_strict(int this_syscall)

static void __secure_computing_strict(int this_syscall)

{

{

	int *syscall_whitelist = mode1_syscalls;

	const int *syscall_whitelist = mode1_syscalls;

#ifdef CONFIG_COMPAT

#ifdef CONFIG_COMPAT

	if (in_compat_syscall())

	if (in_compat_syscall())

		syscall_whitelist = get_compat_mode1_syscalls();

		syscall_whitelist = get_compat_mode1_syscalls();