From 3dc1c1b2d2ed7507ce8a379814ad75745ff97ebe Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Thu, 12 Apr 2012 16:47:58 -0500 Subject: seccomp: remove duplicated failure logging This consolidates the seccomp filter error logging path and adds more details to the audit log. Signed-off-by: Will Drewry Signed-off-by: Kees Cook Acked-by: Eric Paris v18: make compat= permanent in the record v15: added a return code to the audit_seccomp path by wad@chromium.org (suggested by eparis@redhat.com) v*: original by keescook@chromium.org Signed-off-by: James Morris --- kernel/seccomp.c | 15 +-------------- 1 file changed, 1 insertion(+), 14 deletions(-) (limited to 'kernel/seccomp.c') diff --git a/kernel/seccomp.c b/kernel/seccomp.c index 0aeec1960f9..0f7c709a523 100644 --- a/kernel/seccomp.c +++ b/kernel/seccomp.c @@ -60,18 +60,6 @@ struct seccomp_filter { /* Limit any path through the tree to 256KB worth of instructions. */ #define MAX_INSNS_PER_PATH ((1 << 18) / sizeof(struct sock_filter)) -static void seccomp_filter_log_failure(int syscall) -{ - int compat = 0; -#ifdef CONFIG_COMPAT - compat = is_compat_task(); -#endif - pr_info("%s[%d]: %ssystem call %d blocked at 0x%lx\n", - current->comm, task_pid_nr(current), - (compat ? "compat " : ""), - syscall, KSTK_EIP(current)); -} - /** * get_u32 - returns a u32 offset into data * @data: a unsigned 64 bit value @@ -381,7 +369,6 @@ void __secure_computing(int this_syscall) case SECCOMP_MODE_FILTER: if (seccomp_run_filters(this_syscall) == SECCOMP_RET_ALLOW) return; - seccomp_filter_log_failure(this_syscall); exit_sig = SIGSYS; break; #endif @@ -392,7 +379,7 @@ void __secure_computing(int this_syscall) #ifdef SECCOMP_DEBUG dump_stack(); #endif - audit_seccomp(this_syscall); + audit_seccomp(this_syscall, exit_code, SECCOMP_RET_KILL); do_exit(exit_sig); } -- cgit v1.2.3