Module Name: src
Committed By: kamil
Date: Sat May 19 05:01:42 UTC 2018
Modified Files:
src/sys/kern: kern_sig.c
Log Message:
Stop masking raise(SIGSTOP) in a vfork(2)ed child that called PT_TRACE_ME.
Sponsored by <The NetBSD Foundation>
To generate a diff of this commit:
cvs rdiff -u -r1.345 -r1.346 src/sys/kern/kern_sig.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/kern_sig.c
diff -u src/sys/kern/kern_sig.c:1.345 src/sys/kern/kern_sig.c:1.346
--- src/sys/kern/kern_sig.c:1.345 Sat May 19 02:42:58 2018
+++ src/sys/kern/kern_sig.c Sat May 19 05:01:42 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: kern_sig.c,v 1.345 2018/05/19 02:42:58 kamil Exp $ */
+/* $NetBSD: kern_sig.c,v 1.346 2018/05/19 05:01:42 kamil Exp $ */
/*-
* Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc.
@@ -70,7 +70,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_sig.c,v 1.345 2018/05/19 02:42:58 kamil Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_sig.c,v 1.346 2018/05/19 05:01:42 kamil Exp $");
#include "opt_ptrace.h"
#include "opt_dtrace.h"
@@ -1781,7 +1781,9 @@ issignal(struct lwp *l)
* XXX Don't hold proc_lock for p_lflag,
* but it's not a big deal.
*/
- if (p->p_slflag & PSL_TRACED ||
+ if ((ISSET(p->p_slflag, PSL_TRACED) &&
+ !(ISSET(p->p_lflag, PL_PPWAIT) &&
+ (p->p_pptr == p->p_opptr))) ||
((p->p_lflag & PL_ORPHANPG) != 0 &&
prop & SA_TTYSTOP)) {
/* Ignore the signal. */
