slab_free_chunk: Assertion `slab_read_chunk_bit(slab, chunk_idx) == 0 && "double free detected"' failed.

[ldorau]

The following failure occurred in the disjointPoolTests/umfPoolTest.multiThreadedpow2AlignedAlloc/disjoint_w_params_0_umf_ba_global test:

[ RUN      ] disjointPoolTests/umfPoolTest.multiThreadedpow2AlignedAlloc/disjoint_w_params_0_umf_ba_global
test_disjoint_pool: /home/testuser/src/pool/pool_disjoint.c:336: slab_free_chunk: Assertion `slab_read_chunk_bit(slab, chunk_idx) == 0 && "double free detected"' failed.

See: https://github.com/ldorau/unified-memory-framework/actions/runs/16927503641/job/47966104493

Environment Information

• UMF version (hash commit or a tag): ff04f52
• OS(es) version(s): Linux

Please provide a reproduction of the bug:

https://github.com/ldorau/unified-memory-framework/actions/runs/16927503641/job/47966104493

[ldorau]

It can be connected with: #1488

[ldorau]

The latest occurrence: https://github.com/ldorau/unified-memory-framework/actions/runs/17227792914/job/48875765946

[lukaszstolarczuk]

Fixed in #1543