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author | Alexey Neyman <stilor@att.net> | 2018-05-15 23:41:28 (GMT) |
---|---|---|
committer | GitHub <noreply@github.com> | 2018-05-15 23:41:28 (GMT) |
commit | d274ab06fe807b2a85223391de9aa484e9bbff08 (patch) | |
tree | 3de1fc2aadf622ce02226f254d908d39e25e3988 /packages/glibc/2.21/0013-if_nametoindex-size-check.patch | |
parent | 844c83cac209ca7f99684dee14f1c3d64c6ee27e (diff) | |
parent | 37ac0e8474883ce9202ef4e08b7d9f9f66ea8a5d (diff) |
Merge pull request #967 from stilor/fix-building-older-glibc
Fix building older glibc
Diffstat (limited to 'packages/glibc/2.21/0013-if_nametoindex-size-check.patch')
-rw-r--r-- | packages/glibc/2.21/0013-if_nametoindex-size-check.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/packages/glibc/2.21/0013-if_nametoindex-size-check.patch b/packages/glibc/2.21/0013-if_nametoindex-size-check.patch new file mode 100644 index 0000000..7976fdd --- /dev/null +++ b/packages/glibc/2.21/0013-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) + { |