diff options
| -rw-r--r-- | kernel/capability.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/capability.c b/kernel/capability.c index 19f9eda..adb262f 100644 --- a/kernel/capability.c +++ b/kernel/capability.c @@ -514,6 +514,11 @@ asmlinkage long sys_capset(cap_user_header_t header, const cap_user_data_t data) */ int capable(int cap) { + if (unlikely(!cap_valid(cap))) { + printk(KERN_CRIT "capable() called with invalid cap=%u\n", cap); + BUG(); + } + if (has_capability(current, cap)) { current->flags |= PF_SUPERPRIV; return 1; |