core: Initialise packet->next to NULL
The memory returned from the platform allocator is unlikely to be
zeroed, so explicitly initialise the NULL pointer.
This fixes an issue when traversing the tx packet queue, we may
dereference an invalid pointer.
Reported-by: Deepak Kodihalli <dkodihal@in.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
diff --git a/core.c b/core.c
index 72b511c..3e2e02e 100644
--- a/core.c
+++ b/core.c
@@ -72,6 +72,7 @@
buf->start = MCTP_PKTBUF_BINDING_PAD;
buf->end = buf->start + len;
buf->mctp_hdr_off = buf->start;
+ buf->next = NULL;
return buf;
}