Commit 69cf0fac authored by Hugh Dickins's avatar Hugh Dickins Committed by Linus Torvalds
Browse files

[PATCH] Fix MADV_REMOVE protection checking

madvise_remove needs to respect file and mmap protections.
Signed-off-by: default avatarHugh Dickins <>
[ Will the real CVE-2006-1524 stand up, please.. ]
Signed-off-by: default avatarLinus Torvalds <>
parent e14d95f7
......@@ -168,6 +168,9 @@ static long madvise_remove(struct vm_area_struct *vma,
return -EINVAL;
if ((vma->vm_flags & (VM_SHARED|VM_WRITE)) != (VM_SHARED|VM_WRITE))
return -EACCES;
mapping = vma->vm_file->f_mapping;
offset = (loff_t)(start - vma->vm_start)
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment