Messages in this thread Patch in this message | | | From | Allen Pais <> | Subject | [PATCH] hpet: Fix a small information leak | Date | Tue, 12 May 2020 11:44:24 +0530 |
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hpet_info has a hole in it cause of which we might end up leaking a few bytes.
Zero them with memset(). Fixes: 54066a57c584 ("hpet: kill BKL, add compat_ioctl") Signed-off-by: Allen Pais <allen.lkml@gmail.com> --- drivers/char/hpet.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index ed3b7dab678d..d9592eb24635 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -667,6 +667,7 @@ hpet_ioctl(struct file *file, unsigned int cmd, unsigned long arg) struct hpet_info info; int err; + memset(&info, 0, sizeof(info)); mutex_lock(&hpet_mutex); err = hpet_ioctl_common(file->private_data, cmd, arg, &info); mutex_unlock(&hpet_mutex); -- 2.17.1
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