Module Name: src
Committed By: mlelstv
Date: Mon Apr 29 14:56:01 UTC 2024
Modified Files:
src/sys/compat/netbsd32: netbsd32_signal.c
Log Message:
In netbsd32___sigaction_sigtramp continue to use the compat module when
already locked for this process.
Needs pullup to netbsd-10.
To generate a diff of this commit:
cvs rdiff -u -r1.53 -r1.54 src/sys/compat/netbsd32/netbsd32_signal.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/compat/netbsd32/netbsd32_signal.c
diff -u src/sys/compat/netbsd32/netbsd32_signal.c:1.53 src/sys/compat/netbsd32/netbsd32_signal.c:1.54
--- src/sys/compat/netbsd32/netbsd32_signal.c:1.53 Sat Nov 6 20:42:56 2021
+++ src/sys/compat/netbsd32/netbsd32_signal.c Mon Apr 29 14:56:01 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: netbsd32_signal.c,v 1.53 2021/11/06 20:42:56 thorpej Exp $ */
+/* $NetBSD: netbsd32_signal.c,v 1.54 2024/04/29 14:56:01 mlelstv Exp $ */
/*
* Copyright (c) 1998, 2001 Matthew R. Green
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: netbsd32_signal.c,v 1.53 2021/11/06 20:42:56 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: netbsd32_signal.c,v 1.54 2024/04/29 14:56:01 mlelstv Exp $");
#if defined(_KERNEL_OPT)
#include "opt_ktrace.h"
@@ -184,7 +184,7 @@ netbsd32___sigaction_sigtramp(struct lwp
*/
#ifdef __HAVE_STRUCT_SIGCONTEXT
struct proc *p = l->l_proc;
- bool sigcontext_valid = false;
+ bool sigcontext_valid;
/*
* We need to ensure the compat_netbsd32_16 module
@@ -196,9 +196,7 @@ netbsd32___sigaction_sigtramp(struct lwp
kernconfig_lock();
(void)module_autoload("compat_netbsd32_16",
MODULE_CLASS_ANY);
- if (netbsd32_sendsig_sigcontext_16_hook.hooked) {
- sigcontext_valid = true;
- }
+ sigcontext_valid = netbsd32_sendsig_sigcontext_16_hook.hooked;
mutex_enter(&proc_lock);
/*
* Prevent unload of compat module while
@@ -207,6 +205,11 @@ netbsd32___sigaction_sigtramp(struct lwp
p->p_lflag |= PL_SIGCOMPAT;
mutex_exit(&proc_lock);
kernconfig_unlock();
+ } else {
+ /*
+ * Module is already loaded and locked in memory
+ */
+ sigcontext_valid = netbsd32_sendsig_sigcontext_16_hook.hooked;
}
if (!sigcontext_valid) {
return EINVAL;
