From mboxrd@z Thu Jan 1 00:00:00 1970 From: wangnan0@huawei.com (Wang Nan) Date: Thu, 12 Feb 2015 20:21:00 +0800 Subject: [RFC PATCH v2 19/26] early kprobes: perhibit probing at early kprobe reserved area. In-Reply-To: <1423743476-11927-1-git-send-email-wangnan0@huawei.com> References: <1423743476-11927-1-git-send-email-wangnan0@huawei.com> Message-ID: <1423743660-12846-1-git-send-email-wangnan0@huawei.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Signed-off-by: Wang Nan --- kernel/kprobes.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/kernel/kprobes.c b/kernel/kprobes.c index fa1e422..b83c406 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -1358,6 +1358,13 @@ static bool within_kprobe_blacklist(unsigned long addr) if (arch_within_kprobe_blacklist(addr)) return true; + +#ifdef CONFIG_EARLY_KPROBES + if (addr >= (unsigned long)__early_kprobes_start && + addr < (unsigned long)__early_kprobes_end) + return true; +#endif + /* * If there exists a kprobe_blacklist, verify and * fail any probe registration in the prohibited area -- 1.8.4