Commit 55ba70c4 authored by Dan Carpenter's avatar Dan Carpenter Committed by Dave Airlie
Browse files

drm/radeon: use after free in radeon_vm_bo_add() 



"bo_va" is dereferenced in the error message.

Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent b5215ef1

drivers/gpu/drm/radeon/radeon_gart.c

+1 −1
Original line number Diff line number Diff line
@@ -494,10 +494,10 @@ int radeon_vm_bo_add(struct radeon_device *rdev, 
		}

		if (bo_va->soffset >= tmp->soffset && bo_va->soffset < tmp->eoffset) {

			/* bo and tmp overlap, invalid offset */

			kfree(bo_va);

			dev_err(rdev->dev, "bo %p va 0x%08X conflict with (bo %p 0x%08X 0x%08X)\n",

				bo, (unsigned)bo_va->soffset, tmp->bo,

				(unsigned)tmp->soffset, (unsigned)tmp->eoffset);

			kfree(bo_va);

			mutex_unlock(&vm->mutex);

			return -EINVAL;

		}

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