Commit 78111082 authored by Al Viro's avatar Al Viro Committed by Greg Kroah-Hartman

osf_wait4(): fix infoleak

commit a8c39544 upstream.

failing sys_wait4() won't fill struct rusage...
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 90c676ff
...@@ -1199,8 +1199,10 @@ SYSCALL_DEFINE4(osf_wait4, pid_t, pid, int __user *, ustatus, int, options, ...@@ -1199,8 +1199,10 @@ SYSCALL_DEFINE4(osf_wait4, pid_t, pid, int __user *, ustatus, int, options,
if (!access_ok(VERIFY_WRITE, ur, sizeof(*ur))) if (!access_ok(VERIFY_WRITE, ur, sizeof(*ur)))
return -EFAULT; return -EFAULT;
err = 0; err = put_user(status, ustatus);
err |= put_user(status, ustatus); if (ret < 0)
return err ? err : ret;
err |= __put_user(r.ru_utime.tv_sec, &ur->ru_utime.tv_sec); err |= __put_user(r.ru_utime.tv_sec, &ur->ru_utime.tv_sec);
err |= __put_user(r.ru_utime.tv_usec, &ur->ru_utime.tv_usec); err |= __put_user(r.ru_utime.tv_usec, &ur->ru_utime.tv_usec);
err |= __put_user(r.ru_stime.tv_sec, &ur->ru_stime.tv_sec); err |= __put_user(r.ru_stime.tv_sec, &ur->ru_stime.tv_sec);
......
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