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-rw-r--r--fs/proc/base.c9
-rw-r--r--fs/proc/task_mmu.c6
-rw-r--r--fs/proc/task_nommu.c2
3 files changed, 9 insertions, 8 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 3b455371e7ff..58c3e6a8e15e 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -233,7 +233,7 @@ static int check_mem_permission(struct task_struct *task)
*/
if (task->parent == current && (task->ptrace & PT_PTRACED) &&
task_is_stopped_or_traced(task) &&
- ptrace_may_attach(task))
+ ptrace_may_access(task, PTRACE_MODE_ATTACH))
return 0;
/*
@@ -251,7 +251,8 @@ struct mm_struct *mm_for_maps(struct task_struct *task)
task_lock(task);
if (task->mm != mm)
goto out;
- if (task->mm != current->mm && __ptrace_may_attach(task) < 0)
+ if (task->mm != current->mm &&
+ __ptrace_may_access(task, PTRACE_MODE_READ) < 0)
goto out;
task_unlock(task);
return mm;
@@ -518,7 +519,7 @@ static int proc_fd_access_allowed(struct inode *inode)
*/
task = get_proc_task(inode);
if (task) {
- allowed = ptrace_may_attach(task);
+ allowed = ptrace_may_access(task, PTRACE_MODE_READ);
put_task_struct(task);
}
return allowed;
@@ -904,7 +905,7 @@ static ssize_t environ_read(struct file *file, char __user *buf,
if (!task)
goto out_no_task;
- if (!ptrace_may_attach(task))
+ if (!ptrace_may_access(task, PTRACE_MODE_READ))
goto out;
ret = -ENOMEM;
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index c492449f3b45..164bd9f9ede3 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -210,7 +210,7 @@ static int show_map(struct seq_file *m, void *v)
dev_t dev = 0;
int len;
- if (maps_protect && !ptrace_may_attach(task))
+ if (maps_protect && !ptrace_may_access(task, PTRACE_MODE_READ))
return -EACCES;
if (file) {
@@ -646,7 +646,7 @@ static ssize_t pagemap_read(struct file *file, char __user *buf,
goto out;
ret = -EACCES;
- if (!ptrace_may_attach(task))
+ if (!ptrace_may_access(task, PTRACE_MODE_READ))
goto out_task;
ret = -EINVAL;
@@ -747,7 +747,7 @@ static int show_numa_map_checked(struct seq_file *m, void *v)
struct proc_maps_private *priv = m->private;
struct task_struct *task = priv->task;
- if (maps_protect && !ptrace_may_attach(task))
+ if (maps_protect && !ptrace_may_access(task, PTRACE_MODE_READ))
return -EACCES;
return show_numa_map(m, v);
diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index 4b4f9cc2f186..5d84e7121df8 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -113,7 +113,7 @@ static int show_map(struct seq_file *m, void *_vml)
struct proc_maps_private *priv = m->private;
struct task_struct *task = priv->task;
- if (maps_protect && !ptrace_may_attach(task))
+ if (maps_protect && !ptrace_may_access(task, PTRACE_MODE_READ))
return -EACCES;
return nommu_vma_show(m, vml->vma);