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Change History

In the Linux kernel, the following vulnerability has been resolved:

nvdimm: ndtest: Return -ENOMEM if devm_kcalloc() fails in ndtest_probe()

devm_kcalloc() may fail. ndtest_probe() allocates three DMA address
arrays (dcr_dma, label_dma, dimm_dma) and later unconditionally uses
them in ndtest_nvdimm_init(), which can lead to a NULL pointer
dereference under low-memory conditions.

Check all three allocations and return -ENOMEM if any allocation fails,
jumping to the common error path. Do not emit an extra error message
since the allocator already warns on allocation failure.

https://git.kernel.org/stable/c/8aea9d512c65eed0dad98b8d65ce74fe77c01b34

https://git.kernel.org/stable/c/972cbba5cd384bacdc2eb589776e1d0a9f42714f

https://git.kernel.org/stable/c/a9e6aa994917ee602798bbb03180a194b37865bb

https://git.kernel.org/stable/c/b808a3590c2884ca91316dbadbfcc1924f5893c7

https://git.kernel.org/stable/c/bc8b56317ff83ef4bba89bda356b93978604694f

https://git.kernel.org/stable/c/e4a1e3e88160f7d7a2c33e3db8844073ed6eaf97