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sockets: avoid formatting buffer that may not be NUL terminated
The 'sun_path' field in the sockaddr_un struct is not required
to be NUL termianted, so when reporting an error, we must use
the separate 'path' variable which is guaranteed terminated.
Fixes a bug spotted by coverity that was introduced in
commit ad9579aaa1
Author: Daniel P. Berrange <berrange@redhat.com>
Date: Thu May 25 16:53:00 2017 +0100
sockets: improve error reporting if UNIX socket path is too long
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <20170626103756.22974-1-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
parent
24f7ca4907
commit
56382bd577
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@ -897,7 +897,7 @@ static int unix_listen_saddr(UnixSocketAddress *saddr,
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strncpy(un.sun_path, path, sizeof(un.sun_path));
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if (bind(sock, (struct sockaddr*) &un, sizeof(un)) < 0) {
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error_setg_errno(errp, errno, "Failed to bind socket to %s", un.sun_path);
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error_setg_errno(errp, errno, "Failed to bind socket to %s", path);
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goto err;
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}
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if (listen(sock, 1) < 0) {
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