dm1105_probe() counts number of cards at dm1105_devcount, but missed bounds check before dereference a card array. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Anton Vasilyev <vasilyev@xxxxxxxxx> --- drivers/media/pci/dm1105/dm1105.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/pci/dm1105/dm1105.c b/drivers/media/pci/dm1105/dm1105.c index c9db108751a7..1ddb0576fb7b 100644 --- a/drivers/media/pci/dm1105/dm1105.c +++ b/drivers/media/pci/dm1105/dm1105.c @@ -986,6 +986,9 @@ static int dm1105_probe(struct pci_dev *pdev, int ret = -ENOMEM; int i; + if (dm1105_devcount >= ARRAY_SIZE(card)) + return -ENODEV; + dev = kzalloc(sizeof(struct dm1105_dev), GFP_KERNEL); if (!dev) return -ENOMEM; -- 2.18.0
