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media: imx: csc/scaler: fix v4l2_ctrl_handler memory leak 

[ Upstream commit 4797a3dd46f220e6d83daf54d70c5b33db6deb01 ]

CVE-2024-27076

Free the memory allocated in v4l2_ctrl_handler_init on release.

Fixes: a8ef0488cc ("media: imx: add csc/scaler mem2mem device")
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Huang Cun <cunhuang@tencent.com>
Signed-off-by: Jianping Liu <frankjpliu@tencent.com>
This commit is contained in:
Lucas Stach 2024-01-31 13:00:33 +01:00 committed by Jianping Liu
parent 5dea219b6d
commit 7615677328
1 changed files with 1 additions and 0 deletions
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drivers/staging/media/imx/imx-media-csc-scaler.c
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@ -800,6 +800,7 @@ static int ipu_csc_scaler_release(struct file *file)
dev_dbg(priv->dev, "Releasing instance %p\n", ctx);
v4l2_ctrl_handler_free(&ctx->ctrl_hdlr);
v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
v4l2_fh_del(&ctx->fh);
v4l2_fh_exit(&ctx->fh);