Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.11 214/775] media: ti-vpe: cal: fix write to unallocated memory | Date | Mon, 1 Mar 2021 17:06:22 +0100 |
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From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
[ Upstream commit 5a402af5e19f215689e8bf3cc244c21d94eba3c4 ]
The asd allocated with v4l2_async_notifier_add_fwnode_subdev() must be of size cal_v4l2_async_subdev, otherwise access to cal_v4l2_async_subdev->phy will go to unallocated memory.
Fixes: 8fcb7576ad19 ("media: ti-vpe: cal: Allow multiple contexts per subdev notifier") Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/media/platform/ti-vpe/cal.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c index 59a0266b1f399..2eef245c31a17 100644 --- a/drivers/media/platform/ti-vpe/cal.c +++ b/drivers/media/platform/ti-vpe/cal.c @@ -406,7 +406,7 @@ static irqreturn_t cal_irq(int irq_cal, void *data) */ struct cal_v4l2_async_subdev { - struct v4l2_async_subdev asd; + struct v4l2_async_subdev asd; /* Must be first */ struct cal_camerarx *phy; }; @@ -472,7 +472,7 @@ static int cal_async_notifier_register(struct cal_dev *cal) fwnode = of_fwnode_handle(phy->sensor_node); asd = v4l2_async_notifier_add_fwnode_subdev(&cal->notifier, fwnode, - sizeof(*asd)); + sizeof(*casd)); if (IS_ERR(asd)) { phy_err(phy, "Failed to add subdev to notifier\n"); ret = PTR_ERR(asd); -- 2.27.0
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