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Pau Espin Pedrol gerrit-no-reply at lists.osmocom.org
Review at https://gerrit.osmocom.org/6072
gtp.c: gtp_gpdu_ind: Early return to avoid use of uninitialized var
If the version received is not known, pdp is then uninitalized so we
should not be using it. Let's return an error to inform the caller.
Change-Id: Ib3e23b61a3521bd3c9002d3165ca8eff4361a35e
---
M gtp/gtp.c
1 file changed, 2 insertions(+), 1 deletion(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ggsn refs/changes/72/6072/1
diff --git a/gtp/gtp.c b/gtp/gtp.c
index a2526a3..9dabcd2 100644
--- a/gtp/gtp.c
+++ b/gtp/gtp.c
@@ -2696,7 +2696,7 @@
struct sockaddr_in *peer, int fd, void *pack, unsigned len)
{
- int hlen = GTP1_HEADER_SIZE_SHORT;
+ int hlen;
/* Need to include code to verify packet src and dest addresses */
struct pdp_t *pdp;
@@ -2732,6 +2732,7 @@
default:
GTP_LOGPKG(LOGL_ERROR, peer, pack, len,
"Unknown version: %d\n", version);
+ return EOF;
}
/* If the GPDU was not from the peer GSN tell him to delete context */
--
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Ib3e23b61a3521bd3c9002d3165ca8eff4361a35e
Gerrit-PatchSet: 1
Gerrit-Project: osmo-ggsn
Gerrit-Branch: master
Gerrit-Owner: Pau Espin Pedrol <pespin at sysmocom.de>