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authorDavid Lechner <dlechner@baylibre.com>2025-07-23 10:29:12 -0500
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2025-08-11 21:35:01 +0100
commit4e5b705cc6147f0b9173c6219079f41416bdd3c0 (patch)
tree6153a82df15b11440ff777eaad58aa6366a6cf76
parent8f5ae30d69d7543eee0d70083daf4de8fe15d585 (diff)
iio: accel: sca3300: fix uninitialized iio scan data
Fix potential leak of uninitialized stack data to userspace by ensuring that the `channels` array is zeroed before use. Fixes: edeb67fbbf4b ("iio: accel: sca3300: use IIO_DECLARE_BUFFER_WITH_TS") Signed-off-by: David Lechner <dlechner@baylibre.com> Link: https://patch.msgid.link/20250723-iio-accel-sca3300-fix-uninitialized-iio-scan-data-v1-1-12dbfb3307b7@baylibre.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
-rw-r--r--drivers/iio/accel/sca3300.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/accel/sca3300.c b/drivers/iio/accel/sca3300.c
index bda370c0f660..8380b237831c 100644
--- a/drivers/iio/accel/sca3300.c
+++ b/drivers/iio/accel/sca3300.c
@@ -477,7 +477,7 @@ static irqreturn_t sca3300_trigger_handler(int irq, void *p)
struct iio_dev *indio_dev = pf->indio_dev;
struct sca3300_data *data = iio_priv(indio_dev);
int bit, ret, val, i = 0;
- IIO_DECLARE_BUFFER_WITH_TS(s16, channels, SCA3300_SCAN_MAX);
+ IIO_DECLARE_BUFFER_WITH_TS(s16, channels, SCA3300_SCAN_MAX) = { };
iio_for_each_active_channel(indio_dev, bit) {
ret = sca3300_read_reg(data, indio_dev->channels[bit].address, &val);