| Summary: | kio_http seem to hang with "HTTP/1.1 401 Malformed security token" responses using 100% cpu | ||
|---|---|---|---|
| Product: | [Unmaintained] kio | Reporter: | Sten Heinze <sten.heinze> |
| Component: | http | Assignee: | kdelibs bugs <kdelibs-bugs> |
| Status: | RESOLVED FIXED | ||
| Severity: | normal | CC: | ahartmetz, auxsvr, brendon, magnus.kessler, pascal |
| Priority: | NOR | ||
| Version: | unspecified | ||
| Target Milestone: | --- | ||
| Platform: | Debian testing | ||
| OS: | Linux | ||
| Latest Commit: | Version Fixed In: | ||
| Sentry Crash Report: | |||
| Attachments: | Captured network traffic | ||
Created attachment 32299 [details]
Captured network traffic
Network traffic containing the "HTTP/1.1 401 Malformed security token" responses
I have exactly the same problem in KDE 4.2.1, the kio_http processes are left looping and eating bandwidth, and prevent konqueror from exiting. I traced back a process in gdb (up + finish) and it stops here:
Run till exit from #1 0xb5e0aa41 in HTTPProtocol::proceedUntilResponseHeader (this=0xbfe94580)
at /usr/src/debug/kdelibs-4.2.1/kioslave/http/http.cpp:568
Disabling cache fixed it. SVN commit 949948 by ahartmetz: Don't loop if we get no auth request (that we understand) together with a 401/407 status code. Some whitespace cleanup. BUG:187753 M +24 -14 http.cpp M +3 -0 http.h WebSVN link: http://websvn.kde.org/?view=rev&revision=949948 Thanks for this fix, which fine and solves this annoying issue with many blogspot (Google friendconnect functionality) and other sites. Could this be backported to the KDE 4.2 branch, please? I have created a patch for Gentoo, that can be found at http://git.overlays.gentoo.org/gitweb/?p=proj/kde.git;a=blob_plain;f=kde-base/kdelibs/files/kdelibs-4.2-fix_kio_http_401.patch;hb=c1657311b5ad04e24dd8178e051e5cd5c905bae4 I've backported the fix to 4.2 this morning. *** Bug 190501 has been marked as a duplicate of this bug. *** *** Bug 190941 has been marked as a duplicate of this bug. *** |
Version: (using KDE 4.2.1) Compiler: gcc 4.3.3-3 (from Debian testing) OS: Linux Installed from: Debian testing/unstable Packages kio_http seem to hang when when it receives "HTTP/1.1 401 Malformed security token" responses while consuming increasing amount of cpu time: I had 15 kio_http processing running, while 2 used ~10% cpu each when I noticed it. Over the course of a few hours this increased to ~50% per process. Attaching gdb to one of the processes resulted in the following two backtraces: $ gdb attach 25143 [...] (gdb) bt #0 0xb7f74b7d in QCoreApplicationPrivate::removePostedEvents_unlocked (receiver=0x9bd9440, eventType=0, data=0x8cf7a88) at kernel/qcoreapplication.cpp:1301 #1 0xb7f8be12 in ~QObject (this=0x9bd9440) at kernel/qobject.cpp:890 #2 0xb7f0a438 in ~QIODevice (this=0x9bd9440) at io/qiodevice.cpp:395 #3 0xb7ef5a1d in ~QBuffer (this=0x9bd9440) at io/qbuffer.cpp:199 #4 0xb7ef6155 in ~QDataStream (this=0xbf985b08) at io/qdatastream.cpp:320 #5 0xb79d88b7 in KIO::SlaveBase::infoMessage (this=0xbf986178, _msg=@0xbf985d0c) at ../../kio/kio/slavebase.cpp:640 #6 0xb6067a1e in HTTPProtocol::sendQuery (this=0xbf986170) at ../../../kioslave/http/http.cpp:2440 #7 0xb6071677 in HTTPProtocol::proceedUntilResponseHeader (this=0xbf986170) at ../../../kioslave/http/http.cpp:565 #8 0xb6072a1e in HTTPProtocol::proceedUntilResponseContent (this=0xbf986170, dataInternal=false) at ../../../kioslave/http/http.cpp:536 #9 0xb6073791 in HTTPProtocol::post (this=0xbf986170, url=@0xbf985fc8) at ../../../kioslave/http/http.cpp:1375 #10 0xb6073cb6 in HTTPProtocol::special (this=0xbf986170, data=@0xbf986130) at ../../../kioslave/http/http.cpp:3865 #11 0xb79e0a36 in KIO::SlaveBase::dispatch (this=0xbf986178, command=77, data=@0xbf986130) at ../../kio/kio/slavebase.cpp:1159 #12 0xb79df44c in KIO::SlaveBase::dispatchLoop (this=0xbf986178) at ../../kio/kio/slavebase.cpp:282 #13 0xb605aa5b in kdemain (argc=4, argv=0x8d1c508) at ../../../kioslave/http/http.cpp:110 #14 0x0804dce1 in launch (argc=4, _name=0x8d1c8ec "kio_http", args=0x8d1c96b "", cwd=0x0, envc=0, envs=0x8d1c970 "", reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x8050a03 "0") at ../../kinit/kinit.cpp:692 #15 0x0804e41d in handle_launcher_request (sock=7) at ../../kinit/kinit.cpp:1273 #16 0x0804e93a in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1466 #17 0x0804f0ac in main (argc=2, argv=0xbf986a34, envp=0xbf986a40) at ../../kinit/kinit.cpp:1951 (gdb) continue Continuing. ^C Program received signal SIGINT, Interrupt. [Switching to Thread 0xb61f3b00 (LWP 25143)] 0xb806a424 in __kernel_vsyscall () (gdb) bt #0 0xb806a424 in __kernel_vsyscall () #1 0xb6a673d3 in write () from /lib/i686/cmov/libc.so.6 #2 0xb67f91f1 in ?? () from /usr/lib/libQtNetwork.so.4 #3 0xb67e3078 in ?? () from /usr/lib/libQtNetwork.so.4 #4 0xb67f179c in ?? () from /usr/lib/libQtNetwork.so.4 #5 0xb67f1b36 in ?? () from /usr/lib/libQtNetwork.so.4 #6 0xb67f29bd in QAbstractSocket::waitForBytesWritten () from /usr/lib/libQtNetwork.so.4 #7 0xb78ece6b in KIO::SocketConnectionBackend::sendCommand (this=0x8da8690, task=@0xbf9859b8) at ../../kio/kio/connection.cpp:294 #8 0xb78ecc53 in KIO::Connection::sendnow (this=0x8da604c, _cmd=26, data=@0xbf985a58) at ../../kio/kio/connection.cpp:502 #9 0xb78ed9ef in KIO::Connection::send (this=0x8da604c, cmd=26, data=@0xbf985a58) at ../../kio/kio/connection.cpp:486 #10 0xb79d7fdd in KIO::SlaveBase::send (this=0xbf986178, cmd=26, arr=@0xbf985a58) at ../../kio/kio/slavebase.cpp:1330 #11 0xb79d88af in KIO::SlaveBase::infoMessage (this=0xbf986178, _msg=@0xbf985b0c) at ../../kio/kio/slavebase.cpp:640 #12 0xb605b1fa in HTTPProtocol::sendBody (this=0xbf986170) at ../../../kioslave/http/http.cpp:3742 #13 0xb60679c4 in HTTPProtocol::sendQuery (this=0xbf986170) at ../../../kioslave/http/http.cpp:2438 #14 0xb6071677 in HTTPProtocol::proceedUntilResponseHeader (this=0xbf986170) at ../../../kioslave/http/http.cpp:565 #15 0xb6072a1e in HTTPProtocol::proceedUntilResponseContent (this=0xbf986170, dataInternal=false) at ../../../kioslave/http/http.cpp:536 #16 0xb6073791 in HTTPProtocol::post (this=0xbf986170, url=@0xbf985fc8) at ../../../kioslave/http/http.cpp:1375 #17 0xb6073cb6 in HTTPProtocol::special (this=0xbf986170, data=@0xbf986130) at ../../../kioslave/http/http.cpp:3865 #18 0xb79e0a36 in KIO::SlaveBase::dispatch (this=0xbf986178, command=77, data=@0xbf986130) at ../../kio/kio/slavebase.cpp:1159 #19 0xb79df44c in KIO::SlaveBase::dispatchLoop (this=0xbf986178) at ../../kio/kio/slavebase.cpp:282 #20 0xb605aa5b in kdemain (argc=4, argv=0x8d1c508) at ../../../kioslave/http/http.cpp:110 #21 0x0804dce1 in launch (argc=4, _name=0x8d1c8ec "kio_http", args=0x8d1c96b "", cwd=0x0, envc=0, envs=0x8d1c970 "", reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x8050a03 "0") at ../../kinit/kinit.cpp:692 #22 0x0804e41d in handle_launcher_request (sock=7) at ../../kinit/kinit.cpp:1273 #23 0x0804e93a in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1466 #24 0x0804f0ac in main (argc=2, argv=0xbf986a34, envp=0xbf986a40) at ../../kinit/kinit.cpp:1951 Trying to debug this with help of christoph4 did not gave more results: (gdb) break ../../../kioslave/http/http.cpp:566 Breakpoint 1 at 0xb60715f1: file ../../../kioslave/http/http.cpp, line 566. (gdb) break ../../../kioslave/http/http.cpp:577 Breakpoint 2 at 0xb6071606: file ../../../kioslave/http/http.cpp, line 577. (gdb) break ../../../kioslave/http/http.cpp:580 Breakpoint 3 at 0xb607160f: file ../../../kioslave/http/http.cpp, line 580. (gdb) continue Continuing. Program exited normally. A list of open files before the exit of the program gave (among others): $ lsof |grep 25143 kio_http 25143 mheinzes 21u IPv4 568298 0t0 TCP 160.129.138.82:49497->qw-in-f118.google.com:www (ESTABLISHED) I will send the captured network traffic showing the "HTTP/1.1 401 Malformed security token" responses in a follow-up mail to the bug report. Regards, Sten