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authorAlexey Dobriyan <adobriyan@gmail.com>2008-10-10 03:27:16 +0400
committerAlexey Dobriyan <adobriyan@gmail.com>2008-10-10 04:24:51 +0400
commit3bbfe0596746e1590888a6e1e6a07583265238b7 (patch)
tree057d3d2aa8cb68eff8c944378e86ba120eff9cf4 /fs/proc/task_nommu.c
parent45acb8db06bad529f0feaf89465ce33152640089 (diff)
downloadlinux-3bbfe0596746e1590888a6e1e6a07583265238b7.tar.xz
proc: remove kernel.maps_protect
After commit 831830b5a2b5d413407adf380ef62fe17d6fcbf2 aka "restrict reading from /proc/<pid>/maps to those who share ->mm or can ptrace" sysctl stopped being relevant because commit moved security checks from ->show time to ->start time (mm_for_maps()). Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Kees Cook <kees.cook@canonical.com>
Diffstat (limited to 'fs/proc/task_nommu.c')
-rw-r--r--fs/proc/task_nommu.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index 5d84e7121df8..219bd79ea894 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -110,11 +110,6 @@ int task_statm(struct mm_struct *mm, int *shared, int *text,
static int show_map(struct seq_file *m, void *_vml)
{
struct vm_list_struct *vml = _vml;
- struct proc_maps_private *priv = m->private;
- struct task_struct *task = priv->task;
-
- if (maps_protect && !ptrace_may_access(task, PTRACE_MODE_READ))
- return -EACCES;
return nommu_vma_show(m, vml->vma);
}