D49430.id152486.diff
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	diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c
	--- a/sys/kern/kern_sig.c
	+++ b/sys/kern/kern_sig.c
	@@ -343,6 +343,8 @@
	* the postsig() loop was performed.
	*/
	sigfastblock_setpend(td, resched_sigs);
	+
	+ td->td_sa.code = 0;
	}

	static void
	diff --git a/sys/kern/sys_process.c b/sys/kern/sys_process.c
	--- a/sys/kern/sys_process.c
	+++ b/sys/kern/sys_process.c
	@@ -1168,7 +1168,8 @@

	case PT_GET_SC_ARGS:
	CTR1(KTR_PTRACE, "PT_GET_SC_ARGS: pid %d", p->p_pid);
	- if ((td2->td_dbgflags & (TDB_SCE \| TDB_SCX)) == 0
	+ if (((td2->td_dbgflags & (TDB_SCE \| TDB_SCX)) == 0 &&
	+ td2->td_sa.code == 0)
	#ifdef COMPAT_FREEBSD32
	\|\| (wrap32 && !safe)
	#endif
	@@ -1511,13 +1512,8 @@
	pl->pl_sigmask = td2->td_sigmask;
	pl->pl_siglist = td2->td_siglist;
	strcpy(pl->pl_tdname, td2->td_name);
	- if ((td2->td_dbgflags & (TDB_SCE \| TDB_SCX)) != 0) {
	- pl->pl_syscall_code = td2->td_sa.code;
	- pl->pl_syscall_narg = td2->td_sa.callp->sy_narg;
	- } else {
	- pl->pl_syscall_code = 0;
	- pl->pl_syscall_narg = 0;
	- }
	+ pl->pl_syscall_code = td2->td_sa.code;
	+ pl->pl_syscall_narg = td2->td_sa.callp->sy_narg;
	CTR6(KTR_PTRACE,
	"PT_LWPINFO: tid %d (pid %d) event %d flags %#x child pid %d syscall %d",
	td2->td_tid, p->p_pid, pl->pl_event, pl->pl_flags,