Check for files not containing any header

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/formats/ctf/ctf.c b/formats/ctf/ctf.c
index 2048d6a0f2de776a8e440233e8e514ed039c472a..adff1eb7ce86cd0a1e158fd49777175f454d3633 100644 (file)
--- a/formats/ctf/ctf.c
+++ b/formats/ctf/ctf.c
@@ -784,6 +784,9 @@ int create_stream_packet_index(struct ctf_trace *td,
        if (ret < 0)
                return ret;
 
+       if (filestats.st_size < MAX_PACKET_HEADER_LEN / CHAR_BIT)
+               return -EINVAL;
+
        for (pos->mmap_offset = 0; pos->mmap_offset < filestats.st_size; ) {
                uint64_t stream_id = 0;