diff options
Diffstat (limited to 'sys/kern/kern_sig.c')
| -rw-r--r-- | sys/kern/kern_sig.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index 7b6e97877c1d..37da97924ca4 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -150,6 +150,10 @@ static int signal_alloc_fail = 0; SYSCTL_INT(_kern_sigqueue, OID_AUTO, alloc_fail, CTLFLAG_RD, &signal_alloc_fail, 0, "signals failed to be allocated"); +static int kern_lognosys = 0; +SYSCTL_INT(_kern, OID_AUTO, lognosys, CTLFLAG_RWTUN, &kern_lognosys, 0, + "Log invalid syscalls"); + SYSINIT(signal, SI_SUB_P1003_1B, SI_ORDER_FIRST+3, sigqueue_start, NULL); /* @@ -3568,11 +3572,16 @@ struct nosys_args { int nosys(struct thread *td, struct nosys_args *args) { - struct proc *p = td->td_proc; + struct proc *p; + + p = td->td_proc; PROC_LOCK(p); tdsignal(td, SIGSYS); PROC_UNLOCK(p); + if (kern_lognosys) + uprintf("pid %d comm %s: nosys %d\n", p->p_pid, p->p_comm, + td->td_sa.code); return (ENOSYS); } |