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1 comment:

• Patchset:

  • Patch Set #2:

    Related:

    https://stackoverflow.com/questions/64859526/does-linux-kernel-list-implementation-cause-ub
    https://www.kernel.org/doc/html/v7.2/dev-tools/ubsan.html

    
    Quote from the 2nd link:

    Detection of unaligned accesses controlled through the separate option -CONFIG_UBSAN_ALIGNMENT. It’s off by default on architectures that support unaligned accesses (CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y). One could still enable it in config, just note that it will produce a lot of UBSAN reports.

    We need to decide how much do we care about this, especially given that this is a false positive.

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