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| /openbmc/linux/drivers/media/dvb-core/ |
| H A D | dvb_vb2.c | 37238699 Wed May 18 21:17:43 CDT 2022 Hangyu Hua <hbh25y@gmail.com> media: dvb_vb2: fix possible out of bound access
vb2_core_qbuf and vb2_core_querybuf don't check the range of b->index
controlled by the user.
Fix this by adding range checking code before using them.
Fixes: 57868acc369a ("media: videobuf2: Add new uAPI for DVB streaming I/O")
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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