Re: [PATCH v2 14/33] kmsan: Support SLAB_POISON

On Tue, Nov 21, 2023 at 11:02 PM Ilya Leoshkevich wrote: > > Avoid false KMSAN negatives with SLUB_DEBUG by allowing > kmsan_slab_free() to poison the freed memory, and by preventing > init_object() from unpoisoning new allocations. The usage of > memset_no_sanitize_memory() does not degrade the

[PATCH v2 14/33] kmsan: Support SLAB_POISON

Avoid false KMSAN negatives with SLUB_DEBUG by allowing kmsan_slab_free() to poison the freed memory, and by preventing init_object() from unpoisoning new allocations. The usage of memset_no_sanitize_memory() does not degrade the generated code quality. There are two alternatives to this