$ cd /tmp/DF-3683 && cc -Wall -O0 -o t svi2_v0_overflow.c
svi2_v0_overflow.c: In function 'main':
svi2_v0_overflow.c:86:19: warning: conversion from 'long long unsigned int' to 'uint32_t' {aka 'unsigned int'} changes value from '11936128518282651045' to '2779096485' [-Woverflow]
   be->canary[i] = 0xA5A5A5A5A5A5A5A5ULL;
                   ^~~~~~~~~~~~~~~~~~~~~
build exit=0