Commit 94d42e88 authored by Al Viro's avatar Al Viro Committed by Sasha Levin

osf_wait4(): fix infoleak

[ Upstream commit a8c39544 ]

failing sys_wait4() won't fill struct rusage...

Cc: stable@vger.kernel.org
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarSasha Levin <alexander.levin@verizon.com>
parent 156c18c7
...@@ -1183,8 +1183,10 @@ SYSCALL_DEFINE4(osf_wait4, pid_t, pid, int __user *, ustatus, int, options, ...@@ -1183,8 +1183,10 @@ 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);
......
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