diff options
Diffstat (limited to 'packages/glibc/2.22/0013-if_nametoindex-size-check.patch')
| -rw-r--r-- | packages/glibc/2.22/0013-if_nametoindex-size-check.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/packages/glibc/2.22/0013-if_nametoindex-size-check.patch b/packages/glibc/2.22/0013-if_nametoindex-size-check.patch new file mode 100644 index 00000000..7976fddc --- /dev/null +++ b/packages/glibc/2.22/0013-if_nametoindex-size-check.patch @@ -0,0 +1,29 @@ +commit 2180fee114b778515b3f560e5ff1e795282e60b0 +Author: Steve Ellcey <sellcey@caviumnetworks.com> +Date: Wed Nov 15 08:58:48 2017 -0800 + + Check length of ifname before copying it into to ifreq structure. + + [BZ #22442] + * sysdeps/unix/sysv/linux/if_index.c (__if_nametoindex): + Check if ifname is too long. + +--- + sysdeps/unix/sysv/linux/if_index.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +--- a/sysdeps/unix/sysv/linux/if_index.c ++++ b/sysdeps/unix/sysv/linux/if_index.c +@@ -43,6 +43,12 @@ + if (fd < 0) + return 0; + ++ if (strlen (ifname) >= IFNAMSIZ) ++ { ++ __set_errno (ENODEV); ++ return 0; ++ } ++ + strncpy (ifr.ifr_name, ifname, sizeof (ifr.ifr_name)); + if (__ioctl (fd, SIOCGIFINDEX, &ifr) < 0) + { |