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| author | John Stultz <john.stultz@linaro.org> | 2011-07-08 15:58:56 -0700 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2011-07-08 15:58:56 -0700 |
| commit | a448bfbd8e15bb2ed380a75f20adeb6e8d752abb (patch) | |
| tree | 1ab81f3867a5f7e0e9a6cc06fac678d670c2d464 /fs/proc/base.c | |
| parent | 2aced4d6099ce987233ab2ffad42b90800dadf09 (diff) | |
| parent | 0226f8a76da6bc97c9bb4af3fd2f6eeb03c5b0b0 (diff) | |
Merge branch 'upstream/android-3.0' into linaro-android-3.0
Diffstat (limited to 'fs/proc/base.c')
| -rw-r--r-- | fs/proc/base.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index 1b626e14e8b..cc9c0c3bf6f 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -2748,6 +2748,9 @@ static int do_io_accounting(struct task_struct *task, char *buffer, int whole) struct task_io_accounting acct = task->ioac; unsigned long flags; + if (!ptrace_may_access(task, PTRACE_MODE_READ)) + return -EACCES; + if (whole && lock_task_sighand(task, &flags)) { struct task_struct *t = task; @@ -2879,7 +2882,7 @@ static const struct pid_entry tgid_base_stuff[] = { REG("coredump_filter", S_IRUGO|S_IWUSR, proc_coredump_filter_operations), #endif #ifdef CONFIG_TASK_IO_ACCOUNTING - INF("io", S_IRUGO, proc_tgid_io_accounting), + INF("io", S_IRUSR, proc_tgid_io_accounting), #endif #ifdef CONFIG_HARDWALL INF("hardwall", S_IRUGO, proc_pid_hardwall), @@ -3221,7 +3224,7 @@ static const struct pid_entry tid_base_stuff[] = { REG("make-it-fail", S_IRUGO|S_IWUSR, proc_fault_inject_operations), #endif #ifdef CONFIG_TASK_IO_ACCOUNTING - INF("io", S_IRUGO, proc_tid_io_accounting), + INF("io", S_IRUSR, proc_tid_io_accounting), #endif #ifdef CONFIG_HARDWALL INF("hardwall", S_IRUGO, proc_pid_hardwall), |