From: Akhilesh Kumar <akhilesh.lxr@gmail.com>
To: ananth@in.ibm.com, anil.s.keshavamurthy@intel.com,
davem@davemloft.net, masami.hiramatsu.pt@hitachi.com
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] kprobes: *ap before *op otherwise ap pointer will be Dangling
Date: Thu, 23 Aug 2012 23:13:59 +0530 [thread overview]
Message-ID: <CADArhcA1CHE-_Z+zg9bEgD5EwR56PZ+wesGc_=DcJ3LvCdKoTA@mail.gmail.com> (raw)
>From a77438899c7295299b59edca8d1816ea70d6ed8e Mon Sep 17 00:00:00 2001
From: Akhilesh Kumar <akhilesh.lxr@gmail.com>
Date: Fri, 23 Aug 2012 23:02:07 +0530
Subject:[PATCH] kprobes: *ap before *op otherwise ap pointer will be Dangling
Free *ap before *op otherwise ap pointer will be Dangling
Signed-off-by: Akhilesh Kumar <akhilesh.lxr@gmail.com>
---
kernel/kprobes.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index c62b854..ff0a97b 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -767,6 +767,7 @@ static __kprobes void
try_to_optimize_kprobe(struct kprobe *p)
if (!arch_prepared_optinsn(&op->optinsn)) {
/* If failed to setup optimizing, fallback to kprobe */
arch_remove_optimized_kprobe(op);
+ kfree(ap);
kfree(op);
return;
}
--
1.7.8.4
reply other threads:[~2012-08-23 17:44 UTC|newest]
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