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| author | Dave Airlie <airlied@redhat.com> | 2024-04-12 06:11:25 +1000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-13 12:50:17 +0200 |
| commit | e6721ea845fcb93a764a92bd40f1afc0d6c69751 (patch) | |
| tree | eb80aad936111b6e7b2b740b1ab7e6c52cc45680 | |
| parent | 931e5381cb30355332f20854f80a0a1f18f6f1f1 (diff) | |
| download | linux-stable-e6721ea845fcb93a764a92bd40f1afc0d6c69751.tar.gz linux-stable-e6721ea845fcb93a764a92bd40f1afc0d6c69751.tar.bz2 linux-stable-e6721ea845fcb93a764a92bd40f1afc0d6c69751.zip | |
amdkfd: use calloc instead of kzalloc to avoid integer overflow
commit 3b0daecfeac0103aba8b293df07a0cbaf8b43f29 upstream.
This uses calloc instead of doing the multiplication which might
overflow.
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index 297b36c26a05..840dfe8524e4 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -923,8 +923,8 @@ static int kfd_ioctl_get_process_apertures_new(struct file *filp, * nodes, but not more than args->num_of_nodes as that is * the amount of memory allocated by user */ - pa = kzalloc((sizeof(struct kfd_process_device_apertures) * - args->num_of_nodes), GFP_KERNEL); + pa = kcalloc(args->num_of_nodes, sizeof(struct kfd_process_device_apertures), + GFP_KERNEL); if (!pa) return -ENOMEM; |