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charset="utf-8" input_fd & output_fd may be the same FD. In that case, mark both as -1 when closing one. That avoids a dangling FD reference. Signed-off-by: Jason Andryuk --- tools/libvchan/vchan-socket-proxy.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/libvchan/vchan-socket-proxy.c b/tools/libvchan/vchan-soc= ket-proxy.c index 3552783ec2..e1d959c6d1 100644 --- a/tools/libvchan/vchan-socket-proxy.c +++ b/tools/libvchan/vchan-socket-proxy.c @@ -349,6 +349,8 @@ int data_loop(struct vchan_proxy_state *state) libxenvchan_wait(state->ctrl); } close(state->input_fd); + if (state->input_fd =3D=3D state->output_fd) + state->output_fd =3D -1; state->input_fd =3D -1; /* TODO: maybe signal the vchan client somehow? */ break; --=20 2.25.1