diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2022-09-01 08:20:09 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-09-24 11:02:57 +0300 |
| commit | 3ad290194bb06979367622e47357462836c1d3b4 (patch) | |
| tree | c16031abf63a99e90c87888554f1a56a41f54fae | |
| parent | ba6856aab1a7edebf1a27c0b6bffaa8a6ea80de7 (diff) | |
media: atomisp: prevent integer overflow in sh_css_set_black_frame()
The "height" and "width" values come from the user so the "height * width"
multiplication can overflow.
Link: https://lore.kernel.org/r/YxBBCRnm3mmvaiuR@kili
Fixes: a49d25364dfb ("staging/atomisp: Add support for the Intel IPU v2")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
| -rw-r--r-- | drivers/staging/media/atomisp/pci/sh_css_params.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/media/atomisp/pci/sh_css_params.c b/drivers/staging/media/atomisp/pci/sh_css_params.c index 0e7c38b2bfe3..67915d76a87f 100644 --- a/drivers/staging/media/atomisp/pci/sh_css_params.c +++ b/drivers/staging/media/atomisp/pci/sh_css_params.c @@ -950,8 +950,8 @@ sh_css_set_black_frame(struct ia_css_stream *stream, params->fpn_config.data = NULL; } if (!params->fpn_config.data) { - params->fpn_config.data = kvmalloc(height * width * - sizeof(short), GFP_KERNEL); + params->fpn_config.data = kvmalloc(array3_size(height, width, sizeof(short)), + GFP_KERNEL); if (!params->fpn_config.data) { IA_CSS_ERROR("out of memory"); IA_CSS_LEAVE_ERR_PRIVATE(-ENOMEM); |