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@anakrish thanks for looking at this. I think in this case it is okay.
I assume you are referring to:
Aal::prefetch(&(n_tame->next_object));
Because of the & and -> this boils down to n_tame + offsetof(next_object). So in this case, we will be sending a prefetch hint to the null page. My understanding is that prefetch should not cause an access violation.
The following code indicates that on line 184
n_tame
could be null but goes on to access it unchecked on line 190.snmalloc/src/snmalloc/mem/freelist.h
Lines 182 to 191 in d9bca64
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