diff options
Diffstat (limited to 'fs/proc')
| -rw-r--r-- | fs/proc/base.c | 9 | ||||
| -rw-r--r-- | fs/proc/task_mmu.c | 6 | ||||
| -rw-r--r-- | fs/proc/task_nommu.c | 2 |
3 files changed, 9 insertions, 8 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index 3b45537..58c3e6a 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 c492449..164bd9f 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 4b4f9cc..5d84e71 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); |