diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/auditsc.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 5276b7ef05f1..e36481ed61b4 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -2037,3 +2037,42 @@ int __audit_signal_info(int sig, struct task_struct *t) return 0; } + +/** + * audit_core_dumps - record information about processes that end abnormally + * @sig: signal value + * + * If a process ends with a core dump, something fishy is going on and we + * should record the event for investigation. + */ +void audit_core_dumps(long signr) +{ + struct audit_buffer *ab; + u32 sid; + + if (!audit_enabled) + return; + + if (signr == SIGQUIT) /* don't care for those */ + return; + + ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_ANOM_ABEND); + audit_log_format(ab, "auid=%u uid=%u gid=%u", + audit_get_loginuid(current->audit_context), + current->uid, current->gid); + selinux_get_task_sid(current, &sid); + if (sid) { + char *ctx = NULL; + u32 len; + + if (selinux_sid_to_string(sid, &ctx, &len)) + audit_log_format(ab, " ssid=%u", sid); + else + audit_log_format(ab, " subj=%s", ctx); + kfree(ctx); + } + audit_log_format(ab, " pid=%d comm=", current->pid); + audit_log_untrustedstring(ab, current->comm); + audit_log_format(ab, " sig=%ld", signr); + audit_log_end(ab); +} |