Re: [tor-bugs] #30494 [Circumvention/Snowflake]: Crazy snowflake-client segfault

2019-10-11 Thread Tor Bug Tracker & Wiki 
#30494: Crazy snowflake-client segfault
-+-
 Reporter:  cypherpunks  |  Owner:  (none)
 Type:  defect   | Status:  closed
 Priority:  Medium   |  Milestone:
Component:  Circumvention/Snowflake  |Version:
 Severity:  Normal   | Resolution:  wontfix
 Keywords:   |  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by arlolra):

 * status:  new => closed
 * resolution:   => wontfix


Comment:

 This looks like it was happening in cgo, which we are no longer using
 after #28942

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Re: [tor-bugs] #30494 [Circumvention/Snowflake]: Crazy snowflake-client segfault

2019-06-19 Thread Tor Bug Tracker & Wiki 
#30494: Crazy snowflake-client segfault
-+
 Reporter:  cypherpunks  |  Owner:  (none)
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Circumvention/Snowflake  |Version:
 Severity:  Normal   | Resolution:
 Keywords:   |  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+
Changes (by arlolra):

 * cc: arlolra (added)


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Re: [tor-bugs] #30494 [Circumvention/Snowflake]: Crazy snowflake-client segfault

2019-05-30 Thread Tor Bug Tracker & Wiki 
#30494: Crazy snowflake-client segfault
-+
 Reporter:  cypherpunks  |  Owner:  (none)
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Circumvention/Snowflake  |Version:
 Severity:  Normal   | Resolution:
 Keywords:   |  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+
Changes (by dcf):

 * cc: dcf (added)


Old description:

> you can find the log here:
>
> https://privatebin.net/?c3d4395e1b03977d#FUC9n8xA05QWHZjPA5CHSMyMl3918hq15MIgc5eKgCk=

New description:

 you can find the log here:

 attachment:tor.log

 
https://privatebin.net/?c3d4395e1b03977d#FUC9n8xA05QWHZjPA5CHSMyMl3918hq15MIgc5eKgCk=

--

Comment:

 Here's one of the panics extracted from the log.

 {{{
 fatal error: unexpected signal during runtime execution
 [signal SIGSEGV: segmentation violation code=0x1 addr=0xff83
 pc=0x8bbd53]

 runtime stack:
 runtime.throw(0xdf0c50, 0x2a)
 /var/tmp/dist/go/src/runtime/panic.go:608 +0x72
 runtime.sigpanic()
 /var/tmp/dist/go/src/runtime/signal_unix.go:374 +0x2f2

 goroutine 21 [syscall]:
 runtime.cgocall(0x66f3b0, 0xc4bc40, 0xc7ccf0)
 /var/tmp/dist/go/src/runtime/cgocall.go:128 +0x5e fp=0xc4bc08
 sp=0xc4bbd0 pc=0x4440be
 github.com/keroserene/go-webrtc._Cfunc_CGO_InitializePeer(0x1, 0x0)
 _cgo_gotypes.go:581 +0x4e fp=0xc4bc40 sp=0xc4bc08
 pc=0x658bbe
 github.com/keroserene/go-webrtc.NewPeerConnection(0xc94340, 0x0, 0x0,
 0x0)
 /var/tmp/dist/gopath/src/github.com/keroserene/go-
 webrtc/peerconnection.go:157 +0x97 fp=0xc4bcb0 sp=0xc4bc40
 pc=0x65b487
 main.(*WebRTCPeer).preparePeerConnection(0xc000126000, 0x2, 0x2)
 /var/tmp/build/snowflake-6077141f4aff/client/webrtc.go:157 +0x49
 fp=0xc4bd28 sp=0xc4bcb0 pc=0x66bdf9
 main.(*WebRTCPeer).Connect(0xc000126000, 0xc7cdb0, 0xc000126000)
 /var/tmp/build/snowflake-6077141f4aff/client/webrtc.go:135 +0xa4
 fp=0xc4bd78 sp=0xc4bd28 pc=0x66bca4
 main.WebRTCDialer.Catch(0xc7cdb0, 0xc94340, 0xc16200, 0x37,
 0x0, 0x0)
 /var/tmp/build/snowflake-6077141f4aff/client/rendezvous.go:143
 +0xb2 fp=0xc4bda8 sp=0xc4bd78 pc=0x668b22
 main.(*WebRTCDialer).Catch(0xc7acf0, 0x2, 0x2, 0xc24020, 0x2)
 :1 +0x45 fp=0xc4bde8 sp=0xc4bda8 pc=0x66dee5
 main.(*Peers).Collect(0xc94300, 0x0, 0x0, 0x0, 0x0)
 /var/tmp/build/snowflake-6077141f4aff/client/peers.go:56 +0x306
 fp=0xc4bed8 sp=0xc4bde8 pc=0x6678d6
 main.ConnectLoop(0xe2db80, 0xc94300)
 /var/tmp/build/snowflake-6077141f4aff/client/snowflake.go:38 +0x49
 fp=0xc4bfd0 sp=0xc4bed8 pc=0x6692d9
 runtime.goexit()
 /var/tmp/dist/go/src/runtime/asm_amd64.s:1333 +0x1 fp=0xc4bfd8
 sp=0xc4bfd0 pc=0x498101
 created by main.main
 /var/tmp/build/snowflake-6077141f4aff/client/snowflake.go:186
 +0x66a

 goroutine 1 [runnable]:
 os/signal.signal_enable(0xd3d6a954000f)
 /var/tmp/dist/go/src/runtime/sigqueue.go:207 +0x6f
 os/signal.enableSignal(0xf)
 /var/tmp/dist/go/src/os/signal/signal_unix.go:50 +0x2a
 os/signal.Notify.func1(0xf)
 /var/tmp/dist/go/src/os/signal/signal.go:135 +0x8d
 os/signal.Notify(0xc92300, 0xcd5eb8, 0x1, 0x1)
 /var/tmp/dist/go/src/os/signal/signal.go:147 +0x148
 main.main()
 /var/tmp/build/snowflake-6077141f4aff/client/snowflake.go:219
 +0x888

 goroutine 19 [syscall]:
 os/signal.signal_recv(0x0)
 /var/tmp/dist/go/src/runtime/sigqueue.go:139 +0x9c
 os/signal.loop()
 /var/tmp/dist/go/src/os/signal/signal_unix.go:23 +0x22
 created by os/signal.init.0
 /var/tmp/dist/go/src/os/signal/signal_unix.go:29 +0x41

 goroutine 20 [select]:
 main.(*BytesSyncLogger).Log(0xc94480)
 /var/tmp/build/snowflake-6077141f4aff/client/util.go:59 +0x182
 created by main.main
 /var/tmp/build/snowflake-6077141f4aff/client/snowflake.go:184
 +0x639

 goroutine 22 [runnable]:
 main.socksAcceptLoop(0xc7ad40, 0xe2db80, 0xc94300, 0x0, 0x0)
 /var/tmp/build/snowflake-6077141f4aff/client/snowflake.go:54
 created by main.main
 /var/tmp/build/snowflake-6077141f4aff/client/snowflake.go:207
 +0xbe8
 }}}

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Re: [tor-bugs] #30494 [Circumvention/Snowflake]: Crazy snowflake-client segfault

2019-05-30 Thread Tor Bug Tracker & Wiki 
#30494: Crazy snowflake-client segfault
-+
 Reporter:  cypherpunks  |  Owner:  (none)
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Circumvention/Snowflake  |Version:
 Severity:  Normal   | Resolution:
 Keywords:   |  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+
Changes (by dcf):

 * Attachment "tor.log" added.

 
https://privatebin.net/?c3d4395e1b03977d#FUC9n8xA05QWHZjPA5CHSMyMl3918hq15MIgc5eKgCk=

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