Comment # 4 on bug 1227979 from Ruediger Oertel

nope, different issue, I think:

                Stack trace of thread 4:
                #0  0x000056350f8ad994
_ZN7sandbox19CrashSIGSYS_HandlerERK17arch_seccomp_dataPv (chrome + 0xae0e994)
                #1  0x000056350f8b4012
_ZN7sandbox4Trap6SigSysEiP9siginfo_tP10ucontext_t (chrome + 0xae15012)
                #2  0x00007ff60f457980 __restore_rt (libc.so.6 + 0x57980)
                #3  0x00007ff60f4f61b7 alarm (libc.so.6 + 0xf61b7)
                #4  0x000056350dc06e58
_ZN4base5debug12_GLOBAL__N_122StackDumpSignalHandlerEiP9siginfo_tPv (chrome +
0x9167e58)
                #5  0x00007ff60f457980 __restore_rt (libc.so.6 + 0x57980)
                #6  0x000056350e2ce6d4
_ZN4mojo8internal15SendMojoMessageERNS_15MessageReceiverERNS_7MessageE (chrome
+ 0x982f6d4)
                #7  0x00005635095ebd53
_ZN7network5mojom14URLLoaderProxy24ResumeReadingBodyFromNetEv (chrome +
0x4b4cd53)
                #8  0x000056350a55f579
_ZN7content5mojom24ChildProcessStubDispatch6AcceptEPNS0_12ChildProcessEPN4mojo7MessageE
(chrome + 0x5ac0579)
                #9  0x000056350e2b4b4e
_ZN4mojo23InterfaceEndpointClient22HandleValidatedMessageEPNS_7MessageE (chrome
+ 0x9815b4e)
                #10 0x000056350e2bc25d
_ZN4mojo17MessageDispatcher6AcceptEPNS_7MessageE (chrome + 0x981d25d)
                #11 0x000056350e2b63cc
_ZN4mojo23InterfaceEndpointClient21HandleIncomingMessageEPNS_7MessageE (chrome
+ 0x98173cc)
                #12 0x000056350e2bfbf8
_ZN4mojo8internal15MultiplexRouter22ProcessIncomingMessageEPNS1_14MessageWrapperENS1_18ClientCallBehaviorEPN4base19SequencedTaskRun>
                #13 0x000056350e2bf2ed
_ZN4mojo8internal15MultiplexRouter6AcceptEPNS_7MessageE (chrome + 0x98202ed)
                #14 0x000056350e2bc25d
_ZN4mojo17MessageDispatcher6AcceptEPNS_7MessageE (chrome + 0x981d25d)
                #15 0x000056350e2b2799
_ZN4mojo9Connector15DispatchMessageENS_16ScopedHandleBaseINS_13MessageHandleEEE
(chrome + 0x9813799)
                #16 0x000056350e2b2f60
_ZN4mojo9Connector24ReadAllAvailableMessagesEv (chrome + 0x9813f60)
                #17 0x000056350e2b2db2
_ZN4mojo9Connector20OnWatcherHandleReadyEPKcj (chrome + 0x9813db2)
                #18 0x00005635099fdd86
_ZNKR4base17RepeatingCallbackIFvN2ui15ClipboardBufferEEE3RunES2_ (chrome +
0x4f5ed86)
                #19 0x00005635091c59b0
_ZNKR4base17RepeatingCallbackIFvN3net15MDnsTransaction6ResultEPKNS1_12RecordParsedEEE3RunES3_S6_
(chrome + 0x47269b0)
                #20 0x000056350e2d3e96
_ZN4mojo13SimpleWatcher13OnHandleReadyEijRKNS_18HandleSignalsStateE (chrome +
0x9834e96)
                #21 0x000056350e2d4053
_ZN4mojo13SimpleWatcher7Context6NotifyEj22MojoHandleSignalsStatej (chrome +
0x9835053)
                #22 0x000056350e2d33d0
_ZN4mojo13SimpleWatcher7Context10CallNotifyEPK13MojoTrapEvent (chrome +
0x98343d0)
                #23 0x000056350920b2de
_ZN4mojo4core11ipcz_driver8MojoTrap20DispatchOrQueueEventERNS2_7TriggerERK13MojoTrapEvent
(chrome + 0x476c2de)
                #24 0x000056350920bc3c
_ZN4mojo4core11ipcz_driver8MojoTrap11HandleEventERK13IpczTrapEvent (chrome +
0x476cc3c)
                #25 0x000056350925aad6 _ZN4ipcz19TrapEventDispatcherD2Ev
(chrome + 0x47bbad6)
                #26 0x0000563509252e6a
_ZN4ipcz6Router19AcceptInboundParcelERKNS_16OperationContextESt10unique_ptrINS_6ParcelESt14default_deleteIS5_EE
(chrome + 0x47b3e6a)
                #27 0x000056350924556f
_ZN4ipcz8NodeLink20AcceptCompleteParcelENS_11StrongAliasINS_12SublinkIdTagEmEESt10unique_ptrINS_6ParcelESt14default_deleteIS5_EE
(c>
                #28 0x0000563509244b81
_ZN4ipcz8NodeLink14OnAcceptParcelERNS_3msg12AcceptParcelE (chrome + 0x47a5b81)
                #29 0x000056350924d31b
_ZN4ipcz3msg19NodeMessageListener18OnTransportMessageERKNS_15DriverTransport10RawMessageERKS2_
(chrome + 0x47ae31b)
                #30 0x0000563509232ea5
_ZN4ipcz12_GLOBAL__N_115NotifyTransportEmPKvmPKmmjS2_ (chrome + 0x4793ea5)
                #31 0x0000563509210ddc
_ZN4mojo4core11ipcz_driver9Transport16OnChannelMessageEPKvmSt6vectorINS_14PlatformHandleESaIS6_EE
(chrome + 0x4771ddc)
                #32 0x00005635091f4c41
_ZN4mojo4core7Channel18TryDispatchMessageEN4base4spanIKcLm18446744073709551615EPS4_EEPm
(chrome + 0x4755c41)
                #33 0x00005635091f4a26
_ZN4mojo4core7Channel14OnReadCompleteEmPm (chrome + 0x4755a26)
                #34 0x0000563509229890
_ZN4mojo4core12ChannelPosix28OnFileCanReadWithoutBlockingEi (chrome +
0x478a890)
                #35 0x000056350dc17b76
_ZN4base16MessagePumpEpoll11HandleEventEibbPNS_19MessagePumpLibevent17FdWatchControllerE
(chrome + 0x9178b76)
                #36 0x000056350dc1780e
_ZN4base16MessagePumpEpoll12OnEpollEventERNS0_15EpollEventEntryEj (chrome +
0x917880e)
                #37 0x000056350dc17358
_ZN4base16MessagePumpEpoll18WaitForEpollEventsENS_9TimeDeltaE (chrome +
0x9178358)
                #38 0x000056350dc16f6a
_ZN4base16MessagePumpEpoll3RunEPNS_11MessagePump8DelegateE (chrome + 0x9177f6a)
                #39 0x000056350dbb1f2f
_ZN4base16sequence_manager8internal35ThreadControllerWithMessagePumpImpl3RunEbNS_9TimeDeltaE
(chrome + 0x9112f2f)
                #40 0x000056350db75ba9 _ZN4base7RunLoop3RunERKNS_8LocationE
(chrome + 0x90d6ba9)
                #41 0x000056350dbd4165 _ZN4base6Thread3RunEPNS_7RunLoopE
(chrome + 0x9135165)
                #42 0x0000563510f204ed
_ZN7content12_GLOBAL__N_113ChildIOThread3RunEPN4base7RunLoopE (chrome +
0xc4814ed)
                #43 0x000056350dbd437f _ZN4base6Thread10ThreadMainEv (chrome +
0x913537f)
                #44 0x000056350dbe96fa _ZN4base12_GLOBAL__N_110ThreadFuncEPv
(chrome + 0x914a6fa)
                #45 0x00007ff60f4a761c start_thread (libc.so.6 + 0xa761c)
                #46 0x00007ff60f52e8f0 __clone (libc.so.6 + 0x12e8f0)