On Fri, Sep 04, 2026, Chaithanya Lagisetty wrote: > uffd_setup_demand_paging() passes the element size as the first argument > to calloc() and the element count as the second: > > uffd_desc->pipefds = calloc(sizeof(int), num_readers); > > calloc() expects the number of elements first and the size of each element > second. The product, and therefore the allocation size, is the same either > way, so this is not a functional change, but the arguments are misleading > and GCC 14 diagnoses them with -Wcalloc-transposed-args, which is enabled > by -Wextra.
Heh, the calloc() implementation provided by tools/include/nolibc/stdlib.h gets this wrong. But KVM selftests don't use nolibc, i.e. that's someone else's problem to deal with.
