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pci: fix non NULL-terminated vector used as C string overflow
[vpp.git]
/
src
/
vlib
/
linux
/
vfio.c
diff --git
a/src/vlib/linux/vfio.c
b/src/vlib/linux/vfio.c
index
33de135
..
dc68c52
100644
(file)
--- a/
src/vlib/linux/vfio.c
+++ b/
src/vlib/linux/vfio.c
@@
-185,8
+185,9
@@
linux_vfio_group_get_device_fd (vlib_pci_addr_t * addr, int *fdp,
int fd;
*is_noiommu = 0;
int fd;
*is_noiommu = 0;
- s = format (s, "/sys/bus/pci/devices/%U/iommu_group", format_vlib_pci_addr,
- addr);
+ s =
+ format (s, "/sys/bus/pci/devices/%U/iommu_group%c", format_vlib_pci_addr,
+ addr, 0);
tmpstr = clib_sysfs_link_to_name ((char *) s);
if (tmpstr)
{
tmpstr = clib_sysfs_link_to_name ((char *) s);
if (tmpstr)
{
@@
-201,8
+202,8
@@
linux_vfio_group_get_device_fd (vlib_pci_addr_t * addr, int *fdp,
}
vec_reset_length (s);
}
vec_reset_length (s);
- s = format (s, "/sys/bus/pci/devices/%U/iommu_group/name",
- format_vlib_pci_addr, addr);
+ s = format (s, "/sys/bus/pci/devices/%U/iommu_group/name
%c
",
+ format_vlib_pci_addr, addr
, 0
);
err = clib_sysfs_read ((char *) s, "%s", &tmpstr);
if (err == 0)
{
err = clib_sysfs_read ((char *) s, "%s", &tmpstr);
if (err == 0)
{