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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2017-01-08 23:00:41 +0100 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2017-01-10 05:36:43 +0100 |
| commit | 2a763e947e700964bfbc7f35f7c7ec9c0ccc0c91 (patch) | |
| tree | 39b7c5a6b3621e7f91967799dd2aa19d6d74d981 /src | |
| parent | uapi: add missing userspace headers (diff) | |
| download | wireguard-monolithic-historical-2a763e947e700964bfbc7f35f7c7ec9c0ccc0c91.tar.xz wireguard-monolithic-historical-2a763e947e700964bfbc7f35f7c7ec9c0ccc0c91.zip | |
tools: error on short ret reads
Diffstat (limited to 'src')
| -rw-r--r-- | src/tools/ipc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/tools/ipc.c b/src/tools/ipc.c index c8ca431..6237961 100644 --- a/src/tools/ipc.c +++ b/src/tools/ipc.c @@ -179,6 +179,10 @@ static int userspace_set_device(struct wgdevice *dev) ret = read(fd, &ret_code, sizeof(ret_code)); if (ret < 0) goto out; + if (ret != sizeof(ret_code)) { + ret = -EBADMSG; + goto out; + } ret = ret_code; out: close(fd); |