On Wed, Sep 2, 2020 at 1:55 AM Leon Romanovsky <l...@kernel.org> wrote: > > This trace is seen because n_function value provided by GCC through > __gcov_init() is ridiculously high, in my case it was 2698213824, > which probably means that the field is not initialized.
This seems to be wrong - since a different (smaller) uninitialized value will succeed in the kcalloc, but will then walk some random array size when copying and fail later instead. So this doesn't actually seem to _fix_ anything, it just hides one special case of bogus values. Linus