From 759b15dabd5f6e4d3ba69a234473bc66ea6ed404 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Sun, 29 Jul 2012 20:22:44 +0200
Subject: [PATCH] --- yaml --- r: 320479 b: refs/heads/master c:
 f4d6dfe55115efe981b4b5f37183ddccaaa792f0 h: refs/heads/master i:   320477:
 e00fa6a88a91fefe31e4b661baaa322fcf015b0f   320475:
 4f3c9756ddaa06db57cee9369efcad2d61b4a25a   320471:
 859b81ab005ac2e2673de3d248534206180058d1   320463:
 c6d86850f0387d8bd3eaffbfe285d66d75194536   320447:
 41aadcfccb886b9cb0e9951c9ff373ec378f337d v: v3

---
 [refs]                        | 2 +-
 trunk/kernel/events/uprobes.c | 9 +++++----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/[refs] b/[refs]
index c277702478a7..8978d3a649a9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cb113b47d098185f3f1f67e8300d05ddce842b66
+refs/heads/master: f4d6dfe55115efe981b4b5f37183ddccaaa792f0
diff --git a/trunk/kernel/events/uprobes.c b/trunk/kernel/events/uprobes.c
index b03256cced52..cdc3c951251c 100644
--- a/trunk/kernel/events/uprobes.c
+++ b/trunk/kernel/events/uprobes.c
@@ -823,12 +823,13 @@ static int register_for_each_vma(struct uprobe *uprobe, bool is_register)
 			goto free;
 
 		down_write(&mm->mmap_sem);
-		vma = find_vma(mm, (unsigned long)info->vaddr);
-		if (!vma || !valid_vma(vma, is_register))
+		vma = find_vma(mm, info->vaddr);
+		if (!vma || !valid_vma(vma, is_register) ||
+		    vma->vm_file->f_mapping->host != uprobe->inode)
 			goto unlock;
 
-		if (vma->vm_file->f_mapping->host != uprobe->inode ||
-		    vma_address(vma, uprobe->offset) != info->vaddr)
+		if (vma->vm_start > info->vaddr ||
+		    vaddr_to_offset(vma, info->vaddr) != uprobe->offset)
 			goto unlock;
 
 		if (is_register) {