On 03/13/2015 06:04 PM, Marc Gauthier wrote: > Other than the required 16-byte stack alignment, there's nothing in > the ABI that requires these extra 16 bytes. Perhaps there was a bad > implementation of the alloca exception handler at some point a long > time ago that prompted the extra 16 bytes?
What's the alignment of max_align_t on this architecture? Although it should be possible to get a 16-byte aligned 1-byte object in any (however misaligned) 16-byte window on the stack … -- Florian Weimer / Red Hat Product Security