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-rw-r--r--src/plugins/snort/main.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/src/plugins/snort/main.c b/src/plugins/snort/main.c
index d05b6310891..6b7e49a23ad 100644
--- a/src/plugins/snort/main.c
+++ b/src/plugins/snort/main.c
@@ -195,9 +195,18 @@ snort_deq_ready (clib_file_t *uf)
snort_per_thread_data_t *ptd =
vec_elt_at_index (sm->per_thread_data, vm->thread_index);
u64 counter;
+ ssize_t bytes_read;
- if (read (uf->file_descriptor, &counter, sizeof (counter)) < 0)
- return clib_error_return (0, "client closed socket");
+ bytes_read = read (uf->file_descriptor, &counter, sizeof (counter));
+ if (bytes_read < 0)
+ {
+ return clib_error_return (0, "client closed socket");
+ }
+
+ if (bytes_read < sizeof (counter))
+ {
+ return clib_error_return (0, "unexpected truncated read");
+ }
clib_interrupt_set (ptd->interrupts, uf->private_data);
vlib_node_set_interrupt_pending (vm, snort_deq_node.index);