From 3f39bdd3928f3bb219d72d40125940b0653e9267 Mon Sep 17 00:00:00 2001 From: Thanos Makatos Date: Wed, 2 Dec 2020 06:26:41 -0500 Subject: emit warning when receiving extraneous file descriptors Signed-off-by: Thanos Makatos --- lib/libvfio-user.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'lib') diff --git a/lib/libvfio-user.c b/lib/libvfio-user.c index 25b8e12..a3f2af7 100644 --- a/lib/libvfio-user.c +++ b/lib/libvfio-user.c @@ -1033,7 +1033,13 @@ process_request(vfu_ctx_t *vfu_ctx) for (i = 0; i < nr_fds; i++) { if (fds[i] != -1) { - vfu_log(vfu_ctx, LOG_INFO, "closing fd=%d", fds[i]); + if (ret < 0) { + vfu_log(vfu_ctx, LOG_WARNING, + "closing unexpected fd %d (index %zu) from cmd %u", + fds[i], i, hdr.cmd); + } else { + vfu_log(vfu_ctx, LOG_DEBUG, "closing fd %d", fds[i]); + } close(fds[i]); } } -- cgit v1.1