Currently, there is an out-of-bounds read on array ctrl->phys, once variable i reaches the maximum array size of SERDES_MAX in the for loop.
Fix this by changing the condition in the for loop from i <= SERDES_MAX to i < SERDES_MAX. Addresses-Coverity-ID: 1473966 ("Out-of-bounds read") Addresses-Coverity-ID: 1473959 ("Out-of-bounds read") Fixes: 51f6b410fc22 ("phy: add driver for Microsemi Ocelot SerDes muxing") Signed-off-by: Gustavo A. R. Silva <gust...@embeddedor.com> --- drivers/phy/mscc/phy-ocelot-serdes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/phy/mscc/phy-ocelot-serdes.c b/drivers/phy/mscc/phy-ocelot-serdes.c index 8936abd..c4eee3a 100644 --- a/drivers/phy/mscc/phy-ocelot-serdes.c +++ b/drivers/phy/mscc/phy-ocelot-serdes.c @@ -206,7 +206,7 @@ static struct phy *serdes_simple_xlate(struct device *dev, port = args->args[0]; idx = args->args[1]; - for (i = 0; i <= SERDES_MAX; i++) { + for (i = 0; i < SERDES_MAX; i++) { struct serdes_macro *macro = phy_get_drvdata(ctrl->phys[i]); if (idx != macro->idx) @@ -260,7 +260,7 @@ static int serdes_probe(struct platform_device *pdev) if (!ctrl->regs) return -ENODEV; - for (i = 0; i <= SERDES_MAX; i++) { + for (i = 0; i < SERDES_MAX; i++) { ret = serdes_phy_create(ctrl, i, &ctrl->phys[i]); if (ret) return ret; -- 2.7.4