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[tor-bugs] #33552 [Core Tor/Torsocks]: Unsupported syscall number 229 on Debian on torsocks 2.3.0



#33552: Unsupported syscall number 229 on Debian on torsocks 2.3.0
----------------------------+-----------------------------------
 Reporter:  secureyourself  |          Owner:  (none)
     Type:  defect          |         Status:  new
 Priority:  Very Low        |      Component:  Core Tor/Torsocks
  Version:  0.4.2.6         |       Severity:  Normal
 Keywords:                  |  Actual Points:
Parent ID:                  |         Points:
 Reviewer:                  |        Sponsor:
----------------------------+-----------------------------------
 arch is x64.
 Versions:
 Tor 0.4.2.6 running on Linux with Libevent 2.1.8-stable, OpenSSL 1.1.1d,
 Zlib 1.2.11, Liblzma 5.2.4, and Libzstd 1.3.8.

 I'm testing Interactive Brokers' TWS software on Tails OS (just for fun, I
 see it's not a use case, however, I hope this can help), but I've met a
 problem launching it:

 1583671114 WARNING torsocks[25196]: [syscall] Unsupported syscall number
 229. Denying the call (in tsocks_syscall() at syscall.c:605)
 1583671115 ERROR torsocks[25196]: Unable to resolve. Status reply: 4 (in
 socks5_recv_resolve_reply() at socks5.c:677)

 The application show an error message: Update Failed. Check log file for
 details: /home/amnesia/Jts/.intall4j/updater.log (see below).

 ----

 Steps to reproduce:
 1. Launch Tails 4.3.
 2. Download tws-latest-linux-x64.sh or tws-stable-linux-x64.sh from
 [https://www.interactivebrokers.com/en/index.php?f=14099#tws-software the
 official website].
 3. Run the installer: for example,
 {{{
 ./tws-stable-linux-x64.sh
 }}}

 4. After the installation, launch the application: from the installer or
 from Terminal:

 {{{
 torify "/home/amnesia/Jts/tws" -J-DjtsConfigDir="/home/amnesia/Jts" %U
 }}}

 or

 {{{
 . torsocks on
 "/home/amnesia/Jts/tws" -J-DjtsConfigDir="/home/amnesia/Jts" %U
 }}}


 5. You get:

 {{{
 1583672301 WARNING torsocks[26808]: [syscall] Unsupported syscall number
 229. Denying the call (in tsocks_syscall() at syscall.c:605)
 1583672301 ERROR torsocks[26808]: Unable to resolve. Status reply: 4 (in
 socks5_recv_resolve_reply() at socks5.c:677)
 1583672301 ERROR torsocks[26808]: Unable to resolve. Status reply: 4 (in
 socks5_recv_resolve_reply() at socks5.c:677)
 1583672302 ERROR torsocks[26808]: Unable to resolve. Status reply: 4 (in
 socks5_recv_resolve_reply() at socks5.c:677)
 1583672379 PERROR torsocks[26808]: socks5 libc connect: Invalid argument
 (in socks5_connect() at socks5.c:202)
 }}}

 ----

 See the log (Jts/.intall4j/updater.log):
 {{{
 [INFO] com.install4j.runtime.beans.actions.control.SetVariableAction [ID
 4839]: Execute action
        Property script: com.install4j.script.I4jScript_Internal_62
        Property variableName: updateDescriptorUrl
        Property failIfNull: true
        Property onlyIfUndefined: false
        Property responseFileVariable: false
        Property rollbackSupported: false
        Variable changed:
 updateDescriptorUrl=https://download2.interactivebrokers.com/installers/tws/stable
 /tws-stable-linux-x64.xml[class java.lang.String]
        Execute action successful after 3 ms
 [INFO] com.install4j.runtime.beans.actions.update.CheckForUpdateAction [ID
 479]: Execute action
        Property connectTimeout: 10000
        Property connectionFailureScript: null
        Property readTimeout: 20000
        Property requestHeaders: []
        Property url:
 https://download2.interactivebrokers.com/installers/tws/stable/tws-stable-
 linux-x64.xml
        Property variable: updateDescriptor
        Property acceptAllCertificates: false
        Property askForProxy: true
        Property rollbackSupported: false
        Property showError: true
 [ERROR] com.install4j.runtime.beans.actions.update.CheckForUpdateAction
 [ID 479]: could not download file
         java.net.ConnectException: Invalid argument (connect failed)
 java.net.ConnectException: Invalid argument (connect failed)
         at java.net.PlainSocketImpl.socketConnect(Native Method)
         at
 java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
         at
 java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
         at
 java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
         at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
         at java.net.Socket.connect(Socket.java:589)
         at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:673)
         at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
         at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
         at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
         at
 sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:264)
         at
 sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367)
         at
 sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191)
         at
 sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
         at
 sun.net.www.protocol.http.HttpURLConnection$6.run(HttpURLConnection.java:1040)
         at
 sun.net.www.protocol.http.HttpURLConnection$6.run(HttpURLConnection.java:1038)
         at java.security.AccessController.doPrivileged(Native Method)
         at
 java.security.AccessController.doPrivilegedWithCombiner(AccessController.java:782)
         at
 sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1037)
         at
 sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177)
         at
 sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162)
         at
 com.install4j.runtime.installer.helper.content.HttpRequestHandler.getURLConnection(HttpRequestHandler.java:288)
         at
 com.install4j.runtime.installer.helper.content.HttpRequestHandler.connect(HttpRequestHandler.java:135)
         at
 com.install4j.runtime.installer.helper.content.Downloader.connect(Downloader.java:155)
         at
 com.install4j.runtime.installer.helper.content.Downloader.connect(Downloader.java:24)
         at
 com.install4j.runtime.installer.helper.content.HttpRequestHandler.connect(HttpRequestHandler.java:128)
         at
 com.install4j.runtime.installer.helper.content.Downloader.connect(Downloader.java:150)
         at
 com.install4j.runtime.beans.actions.update.CheckForUpdateAction.execute(CheckForUpdateAction.java:35)
         at
 com.install4j.runtime.beans.actions.SystemInstallOrUninstallAction.install(SystemInstallOrUninstallAction.java:29)
         at
 com.install4j.runtime.installer.ContextImpl$9.executeAction(ContextImpl.java:1727)
         at
 com.install4j.runtime.installer.ContextImpl$9.fetchValue(ContextImpl.java:1718)
         at
 com.install4j.runtime.installer.ContextImpl$9.fetchValue(ContextImpl.java:1715)
         at
 com.install4j.runtime.installer.helper.comm.actions.FetchObjectAction.execute(FetchObjectAction.java:14)
         at
 com.install4j.runtime.installer.helper.comm.HelperCommunication.executeActionDirect(HelperCommunication.java:271)
         at
 com.install4j.runtime.installer.helper.comm.HelperCommunication.executeActionInt(HelperCommunication.java:246)
         at
 com.install4j.runtime.installer.helper.comm.HelperCommunication.executeActionChecked(HelperCommunication.java:184)
         at
 com.install4j.runtime.installer.helper.comm.HelperCommunication.fetchObjectChecked(HelperCommunication.java:167)
         at
 com.install4j.runtime.installer.ContextImpl.performActionIntStatic(ContextImpl.java:1715)
         at
 com.install4j.runtime.installer.InstallerContextImpl.performActionInt(InstallerContextImpl.java:159)
         at
 com.install4j.runtime.installer.ContextImpl.performAction(ContextImpl.java:1143)
         at
 com.install4j.runtime.installer.controller.Controller.executeAction(Controller.java:398)
         at
 com.install4j.runtime.installer.controller.Controller.executeActions(Controller.java:364)
         at
 com.install4j.runtime.installer.controller.Controller.handleCommand(Controller.java:221)
         at
 com.install4j.runtime.installer.controller.Controller.handleStartup(Controller.java:142)
         at
 com.install4j.runtime.installer.controller.Controller.start(Controller.java:98)
         at
 com.install4j.runtime.installer.Application.runApplication(Application.java:91)
         at
 com.install4j.runtime.installer.Application.main(Application.java:51)
         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
         at
 sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
         at
 sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
         at java.lang.reflect.Method.invoke(Method.java:498)
         at com.exe4j.runtime.LauncherEngine.launch(LauncherEngine.java:85)
         at
 com.install4j.runtime.launcher.UnixLauncher.start(UnixLauncher.java:66)
         at install4j.App3118837495Id443.main(Unknown Source)
         Execute action not successful after 10500 ms
 [INFO] Canceled
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33552>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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