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| author | Max Filippov <jcmvbkbc@gmail.com> | 2019-11-14 05:47:17 +0100 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2020-07-28 09:57:06 +0200 |
| commit | da94a40f72859ce24dc72de9292981513a33e427 (patch) | |
| tree | a265d62dcc8910668e63d0ca4d529f90c9fdffd0 /arch/xtensa/kernel | |
| parent | xtensa: expose syscall through user_pt_regs (diff) | |
| download | linux-da94a40f72859ce24dc72de9292981513a33e427.tar.xz linux-da94a40f72859ce24dc72de9292981513a33e427.zip | |
xtensa: add seccomp support
Add SECCOMP to xtensa Kconfig, select HAVE_ARCH_SECCOMP_FILTER, add
TIF_SECCOMP and call secure_computing from do_syscall_trace_enter.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/kernel')
| -rw-r--r-- | arch/xtensa/kernel/ptrace.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c index 437b4297948d..ce4a32bd2294 100644 --- a/arch/xtensa/kernel/ptrace.c +++ b/arch/xtensa/kernel/ptrace.c @@ -22,6 +22,7 @@ #include <linux/regset.h> #include <linux/sched.h> #include <linux/sched/task_stack.h> +#include <linux/seccomp.h> #include <linux/security.h> #include <linux/signal.h> #include <linux/smp.h> @@ -559,7 +560,8 @@ int do_syscall_trace_enter(struct pt_regs *regs) return 0; } - if (regs->syscall == NO_SYSCALL) { + if (regs->syscall == NO_SYSCALL || + secure_computing() == -1) { do_syscall_trace_leave(regs); return 0; } |