diff options
| author | Philipp Maier <pmaier@sysmocom.de> | 2018-05-28 17:50:09 +0200 |
|---|---|---|
| committer | Philipp Maier <pmaier@sysmocom.de> | 2018-05-28 17:50:09 +0200 |
| commit | 6a2856bab55b00cb56fe057cb55e0ecf0b705471 (patch) | |
| tree | 28895b815bd83b73e174dbf0037c303b645e8517 | |
| parent | 0d95ca59f98defc38475442d220618212813994a (diff) | |
ggsn: make sure ipcp_option_hdr and and ipcp_hdr are packed
struct ipcp_option_hdr and struct ipcp_hdr are not declared as
packed explicitly, but they are used to parse memory blobs by
casting pointers. Add __attribute__((packed)) to ensure that
those structs are stored packed.
Change-Id: I14e10bb3ce482347b3f0c4d3a75168a55df15f20
Related: OS#3288
| -rw-r--r-- | ggsn/ggsn.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ggsn/ggsn.c b/ggsn/ggsn.c index 3a8c4be..14bf04f 100644 --- a/ggsn/ggsn.c +++ b/ggsn/ggsn.c @@ -403,14 +403,14 @@ struct ipcp_option_hdr { uint8_t type; uint8_t len; uint8_t data[0]; -}; +} __attribute__ ((packed)); struct ipcp_hdr { uint8_t code; uint8_t id; uint16_t len; uint8_t options[0]; -}; +} __attribute__ ((packed)); /* determine if IPCP contains given option */ static struct ipcp_option_hdr *ipcp_contains_option(struct ipcp_hdr *ipcp, enum ipcp_options opt) |