Naoya Horiguchi <n-horigu...@ah.jp.nec.com> writes: > When we try to soft-offline a thp tail page, put_page() is called on the > tail page unthinkingly and VM_BUG_ON is triggered in put_compound_page(). > This patch splits thp before going into the main body of soft-offlining.
Looks good. > > The interface of soft-offlining is open for userspace, so this bug can > lead to DoS attack and should be fixed immedately. The interface is root only and root can do everything anyways, so it's not really a security issue. -Andi -- a...@linux.intel.com -- Speaking for myself only -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/