Fix: use after free in channel release

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

diff --git a/lttng-abi.c b/lttng-abi.c
index 79d6e7ffd1cb24ad242fe4d52fbe7c0065d02f62..3c7cd5b4fd9f0c936a6e4b59504e7bfb724cc3a2 100644 (file)
--- a/lttng-abi.c
+++ b/lttng-abi.c
@@ -1286,8 +1286,8 @@ int lttng_metadata_channel_release(struct inode *inode, struct file *file)
        struct lttng_channel *channel = file->private_data;
 
        if (channel) {
-               lttng_metadata_channel_destroy(channel);
                fput(channel->session->file);
+               lttng_metadata_channel_destroy(channel);
        }
 
        return 0;