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[BUG] Crash when allocating arrays with transposed strides #404

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nvlukasz opened this issue Dec 20, 2024 · 0 comments
Open

[BUG] Crash when allocating arrays with transposed strides #404

nvlukasz opened this issue Dec 20, 2024 · 0 comments
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nvlukasz commented Dec 20, 2024

Bug Description

The following snippet causes memory corruption because the allocated array capacity is too small:

import warp as wp

@wp.kernel
def foo(arr:wp.array(dtype=wp.int32, ndim=2)):
    i, j = wp.tid()
    arr[i, j] = i * j

with wp.ScopedDevice("cpu"):
    arr = wp.zeros(shape=(3, 3), strides=(4, 12), dtype=wp.int32)
    wp.launch(foo, dim=arr.shape, inputs=(arr,))
    print(arr)

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@nvlukasz nvlukasz added the bug Something isn't working label Dec 20, 2024
@nvlukasz nvlukasz self-assigned this Dec 20, 2024
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