diff options
Diffstat (limited to 'drivers/misc/lkdtm/core.c')
| -rw-r--r-- | drivers/misc/lkdtm/core.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/misc/lkdtm/core.c b/drivers/misc/lkdtm/core.c index bba49abb6750..66ae6b2a6950 100644 --- a/drivers/misc/lkdtm/core.c +++ b/drivers/misc/lkdtm/core.c @@ -114,12 +114,16 @@ static const struct crashtype crashtypes[] = { CRASHTYPE(CORRUPT_USER_DS), CRASHTYPE(STACK_GUARD_PAGE_LEADING), CRASHTYPE(STACK_GUARD_PAGE_TRAILING), + CRASHTYPE(UNSET_SMEP), 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), @@ -387,7 +391,7 @@ static int __init lkdtm_module_init(void) { 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 */ @@ -426,25 +430,17 @@ static int __init lkdtm_module_init(void) 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. */ @@ -472,6 +468,7 @@ static void __exit lkdtm_module_exit(void) debugfs_remove_recursive(lkdtm_debugfs_root); /* Handle test-specific clean-up. */ + lkdtm_heap_exit(); lkdtm_usercopy_exit(); if (lkdtm_kprobe != NULL) |