Each field of PCIHostDeviceAddress is an unsigned int, therefore
while a valid address is limited to 13 characters, an invalid
address could exceed the specified format, up to:
ffffffff:ffffffff:ffffffff.ffffffff<NUL>
This requires 36 characters with the terminator.
Signed-off-by: Akihiko Odaki <[email protected]>
Reviewed-by: Alex Williamson <[email protected]>
---
hw/vfio/pci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index c89f3fbea348..94c174a773fb 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -2739,7 +2739,7 @@ void vfio_pci_post_reset(VFIOPCIDevice *vdev)
bool vfio_pci_host_match(PCIHostDeviceAddress *addr, const char *name)
{
- char tmp[13];
+ char tmp[36];
sprintf(tmp, "%04x:%02x:%02x.%1x", addr->domain,
addr->bus, addr->slot, addr->function);
--
2.53.0
