Re: [OpenIndiana-discuss] Firefox68esr for testing

[Carsten Grzemba via openindiana-discuss]

Am 22.03.21 09:35 schrieb Carsten Grzemba via openindiana-discuss  
<openindiana-discuss@openindiana.org>: 
> 
> 
> 
> Am 19.03.21 05:33 schrieb Bill Sommerfeld <sommerf...@hamachi.org>: 
> > 
> > On 03/18/21 21:03, Joshua M. Clulow via openindiana-discuss wrote:
> > >>(if I'm reading it correctly, it trapped in strlen()).
> > >
> > >It does look that way. If you add a "-v" to ::findstack you might see
> > >arguments, which can be helpful. If there aren't arguments this
> > >program may need to be built with -msave-args.
> > No arguments in the firefox code, but we do have them in libc and that lets 
> > us get the siginfo_t and ucontext_t out of 
> > sigacthandler()/call_user_handler():
> > 
> > [ 00007fffa8fee070 libc.so.1`_lwp_kill+0xa() ]
> > 00007fffa8fee0a0 libc.so.1`raise+0x1e(b)
> > 00007fffa8fee0f0 libxul.so`nsProfileLock::FatalSignalHandler+0xcb()
> > 00007fffa8fee180 libxul.so`WasmTrapHandler+0xf2()
> > 00007fffa8fee190 libc.so.1`__sighndlr+6()
> > 00007fffa8fee230 libc.so.1`call_user_handler+0x1db(b, 7fffa8fee608, 
> > 7fffa8fee2a0)
> > 00007fffa8fee280 libc.so.1`sigacthandler+0xee(b, 7fffa8fee608, 7fffa8fee2a0)
> > 00007fffa8fee7f0 libc.so.1`strlen+0x30()
> > 00007fffa8fee860 libspeechd.so.2.6.0`spd_list_synthesis_voices+0x1d()
> > 00007fffa8feeb80 
> > libxul.so`mozilla::dom::SpeechDispatcherService::Setup+0xc8()
> > 00007fffa8feeb90 
> > libxul.so`mozilla::detail::RunnableMethodImpl<mozilla::dom::SpeechDispatcherService*,
> >  void +0x27()
> > 00007fffa8feec90 libxul.so`nsThread::ProcessNextEvent+0x63a()
> > 00007fffa8feecc0 libxul.so`NS_ProcessNextEvent+0x2d()
> > 00007fffa8feed00 
> > libxul.so`mozilla::ipc::MessagePumpForNonMainThreads::Run+0x116()
> > 00007fffa8feed10 libxul.so`MessageLoop::RunInternal+0x13()
> > 00007fffa8feed60 libxul.so`MessageLoop::Run+0x37()
> > 00007fffa8feef70 libxul.so`nsThread::ThreadFunc+0xd8()
> > 00007fffa8feefb0 libnspr4.so`_pt_root+0xcb()
> > 00007fffa8feefe0 libc.so.1`_thrp_setup+0x6c(7fffab768a40)
> > 00007fffa8feeff0 libc.so.1`_lwp_start()
> > 
> > > 7fffa8fee608::siginfo
> > signal 11 (SEGV)
> > code 1 (from kernel)
> > errno 0 (Error 0)
> > fault address = 0x0
> > trapno = 0
> > instruction address = 0x0
> > > 7fffa8fee2a0::ucontext
> > flags = 0xf <UC_SIGMASK,UC_STACK,UC_CPU,UC_FPU>
> > link = 0x0
> > sigmask = 0x00000000 0x00000000 0x00000000 0x00000000
> > stack = sp 0x7fffa8faf000 size 0x40000 flags 0
> > mcontext = 0x7fffa8fee2e0
> > > 7fffa8fee2a0::regs -u
> > %rax = 0x00007fffa8fee7b8 %r8 = 0x0000000000000017
> > %rbx = 0x00007fff9d1eed00 %r9 = 0x000000004543494f
> > %rcx = 0x0000000000000000 %r10 = 0x0000000000000d53
> > %rdx = 0x0000000001000000 %r11 = 0x000000000000000a
> > %rsi = 0x0000000000000000 %r12 = 0x0000000000000000
> > %rdi = 0x0000000000000000 %r13 = 0x00007fff9d1eed00
> > %r14 = 0x00000000124d8e00
> > %r15 = 0x0000000000000000
> > 
> > %cs = 0x0053 %fs = 0x0000 %gs = 0x0000
> > %ds = 0x004b %es = 0x004b %ss = 0x004b
> > 
> > %rip = 0x00007fffaf35bab0 libc.so.1`strlen+0x30
> > %rbp = 0x00007fffa8fee7f0
> > %rsp = 0x00007fffa8fee788
> > 
> > %rflags = 0x00010246
> > id=0 vip=0 vif=0 ac=0 vm=0 rf=1 nt=0 iopl=0x0
> > status=<of,df,IF,tf,sf,ZF,af,PF,cf>
> > 
> > %gsbase = 0x0000000000000000
> > %fsbase = 0x00007fffab768a40
> > %trapno = 0xe
> > %err = 0x4
> > 
> > Faulting instruction is:
> > libc.so.1`strlen+0x30: pcmpeqb (%rsi),%xmm0
> > 
> > %rsi is 0
> > 
> > my read: spd_list_synthesis_voices() is most likely calling strlen(NULL).
> > 
> > _______________________________________________
> > openindiana-discuss mailing list
> > openindiana-discuss@openindiana.org
> > https://openindiana.org/mailman/listinfo/openindiana-discuss
> > 
> 
> 
> I get thist too, if I access Yandex.com with FF78. I will provide an FF78 
> build with -msave-args.
> -- 
> 

 
But if it seems it's a problem of libspeechd, if I remove this lib it works. 

 
Carsten
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