Fix: Uninitialized ctf_stream_pos structure in ctf_float_write()

This structure is passed to _ctf_float_copy() which uses the
uninitialized mmap_offset and offset values to read the source
floating point value.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/formats/ctf/types/float.c b/formats/ctf/types/float.c
index 2daadf91e40de1325832d39e867ab6ff38e826f0..689028360d4fe8f258d307e014e54103fb03201e 100644 (file)
--- a/formats/ctf/types/float.c
+++ b/formats/ctf/types/float.c
@@ -232,7 +232,7 @@ int ctf_float_write(struct bt_stream_pos *ppos, struct bt_definition *definition
        union doubleIEEE754 u;
        struct bt_definition *tmpdef;
        struct definition_float *tmpfloat;
-       struct ctf_stream_pos srcp;
+       struct ctf_stream_pos srcp = { { 0 } };
        struct mmap_align mma;
        int ret;