On Wed, 18 May 2022 12:16:54 +0200 David Marchand <david.march...@redhat.com> wrote:
> GCC 12 raises the following warning: > > ../drivers/vdpa/ifc/ifcvf_vdpa.c: In function ‘vdpa_enable_vfio_intr’: > ../drivers/vdpa/ifc/ifcvf_vdpa.c:383:62: error: writing 4 bytes into a > region of size 0 [-Werror=stringop-overflow=] > 383 | fd_ptr[RTE_INTR_VEC_RXTX_OFFSET + i] = fd; > | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~ > ../drivers/vdpa/ifc/ifcvf_vdpa.c:348:14: note: at offset 32 into > destination object ‘irq_set_buf’ of size 32 > 348 | char irq_set_buf[MSIX_IRQ_SET_BUF_LEN]; > | ^~~~~~~~~~~ > > Validate number of vrings to avoid out of bound access. > > Cc: sta...@dpdk.org > > Signed-off-by: David Marchand <david.march...@redhat.com> Acked-by: Stephen Hemminger <step...@networkplumber.org>
