From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/misc/lkdtm/core.c | 68 ++++++++++++---------------------
1 files changed, 25 insertions(+), 43 deletions(-)
diff --git a/kernel/drivers/misc/lkdtm/core.c b/kernel/drivers/misc/lkdtm/core.c
index 07caaa2..32b3d77 100644
--- a/kernel/drivers/misc/lkdtm/core.c
+++ b/kernel/drivers/misc/lkdtm/core.c
@@ -1,23 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Linux Kernel Dump Test Module for testing kernel crashes conditions:
* induces system failures at predefined crashpoints and under predefined
* operational conditions in order to evaluate the reliability of kernel
* sanity checking and crash dumps obtained using different dumping
* solutions.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) IBM Corporation, 2006
*
@@ -28,7 +15,7 @@
*
* Debugfs support added by Simon Kagstrom <simon.kagstrom@netinsight.net>
*
- * See Documentation/fault-injection/provoke-crashes.txt for instructions
+ * See Documentation/fault-injection/provoke-crashes.rst for instructions
*/
#include "lkdtm.h"
#include <linux/fs.h>
@@ -37,15 +24,8 @@
#include <linux/kprobes.h>
#include <linux/list.h>
#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/hrtimer.h>
#include <linux/slab.h>
-#include <scsi/scsi_cmnd.h>
#include <linux/debugfs.h>
-
-#ifdef CONFIG_IDE
-#include <linux/ide.h>
-#endif
#define DEFAULT_COUNT 10
@@ -101,10 +81,8 @@
CRASHPOINT("FS_DEVRW", "ll_rw_block"),
CRASHPOINT("MEM_SWAPOUT", "shrink_inactive_list"),
CRASHPOINT("TIMERADD", "hrtimer_start"),
- CRASHPOINT("SCSI_DISPATCH_CMD", "scsi_dispatch_cmd"),
-# ifdef CONFIG_IDE
+ CRASHPOINT("SCSI_QUEUE_RQ", "scsi_queue_rq"),
CRASHPOINT("IDE_CORE_CP", "generic_ide_ioctl"),
-# endif
#endif
};
@@ -126,26 +104,34 @@
CRASHTYPE(PANIC),
CRASHTYPE(BUG),
CRASHTYPE(WARNING),
+ CRASHTYPE(WARNING_MESSAGE),
CRASHTYPE(EXCEPTION),
CRASHTYPE(LOOP),
- CRASHTYPE(OVERFLOW),
- CRASHTYPE(CORRUPT_LIST_ADD),
- CRASHTYPE(CORRUPT_LIST_DEL),
- CRASHTYPE(CORRUPT_USER_DS),
+ CRASHTYPE(EXHAUST_STACK),
CRASHTYPE(CORRUPT_STACK),
CRASHTYPE(CORRUPT_STACK_STRONG),
+ CRASHTYPE(CORRUPT_LIST_ADD),
+ CRASHTYPE(CORRUPT_LIST_DEL),
CRASHTYPE(STACK_GUARD_PAGE_LEADING),
CRASHTYPE(STACK_GUARD_PAGE_TRAILING),
+ CRASHTYPE(UNSET_SMEP),
+ CRASHTYPE(CORRUPT_PAC),
CRASHTYPE(UNALIGNED_LOAD_STORE_WRITE),
CRASHTYPE(OVERWRITE_ALLOCATION),
CRASHTYPE(WRITE_AFTER_FREE),
CRASHTYPE(READ_AFTER_FREE),
CRASHTYPE(WRITE_BUDDY_AFTER_FREE),
CRASHTYPE(READ_BUDDY_AFTER_FREE),
+ CRASHTYPE(SLAB_FREE_DOUBLE),
+ CRASHTYPE(SLAB_FREE_CROSS),
+ CRASHTYPE(SLAB_FREE_PAGE),
CRASHTYPE(SOFTLOCKUP),
CRASHTYPE(HARDLOCKUP),
CRASHTYPE(SPINLOCKUP),
CRASHTYPE(HUNG_TASK),
+ CRASHTYPE(OVERFLOW_SIGNED),
+ CRASHTYPE(OVERFLOW_UNSIGNED),
+ CRASHTYPE(ARRAY_BOUNDS),
CRASHTYPE(EXEC_DATA),
CRASHTYPE(EXEC_STACK),
CRASHTYPE(EXEC_KMALLOC),
@@ -185,6 +171,9 @@
CRASHTYPE(USERCOPY_STACK_FRAME_FROM),
CRASHTYPE(USERCOPY_STACK_BEYOND),
CRASHTYPE(USERCOPY_KERNEL),
+ CRASHTYPE(STACKLEAK_ERASING),
+ CRASHTYPE(CFI_FORWARD_PROTO),
+ CRASHTYPE(DOUBLE_FAULT),
};
@@ -347,9 +336,9 @@
if (buf == NULL)
return -ENOMEM;
- n = snprintf(buf, PAGE_SIZE, "Available crash types:\n");
+ n = scnprintf(buf, PAGE_SIZE, "Available crash types:\n");
for (i = 0; i < ARRAY_SIZE(crashtypes); i++) {
- n += snprintf(buf + n, PAGE_SIZE - n, "%s\n",
+ n += scnprintf(buf + n, PAGE_SIZE - n, "%s\n",
crashtypes[i].name);
}
buf[n] = '\0';
@@ -407,7 +396,7 @@
{
struct crashpoint *crashpoint = NULL;
const struct crashtype *crashtype = NULL;
- int ret = -EINVAL;
+ int ret;
int i;
/* Neither or both of these need to be set */
@@ -446,25 +435,17 @@
lkdtm_bugs_init(&recur_count);
lkdtm_perms_init();
lkdtm_usercopy_init();
+ lkdtm_heap_init();
/* Register debugfs interface */
lkdtm_debugfs_root = debugfs_create_dir("provoke-crash", NULL);
- if (!lkdtm_debugfs_root) {
- pr_err("creating root dir failed\n");
- return -ENODEV;
- }
/* Install debugfs trigger files. */
for (i = 0; i < ARRAY_SIZE(crashpoints); i++) {
struct crashpoint *cur = &crashpoints[i];
- struct dentry *de;
- de = debugfs_create_file(cur->name, 0644, lkdtm_debugfs_root,
- cur, &cur->fops);
- if (de == NULL) {
- pr_err("could not create crashpoint %s\n", cur->name);
- goto out_err;
- }
+ debugfs_create_file(cur->name, 0644, lkdtm_debugfs_root, cur,
+ &cur->fops);
}
/* Install crashpoint if one was selected. */
@@ -492,6 +473,7 @@
debugfs_remove_recursive(lkdtm_debugfs_root);
/* Handle test-specific clean-up. */
+ lkdtm_heap_exit();
lkdtm_usercopy_exit();
if (lkdtm_kprobe != NULL)
--
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