[Pkg-virtualbox-devel] Bug#889791: virtualbox: PulseAudio-related segmentation fault from PowerShell beeps

[Gianfranco Costamagna]

Hello,

On Tue, 06 Feb 2018 16:29:09 -0700 Kevin Locke <kevin at kevinlocke.name> wrote:
> Package: virtualbox
> Version: 5.2.6-dfsg-3+b1
> Severity: normal
> 
> Dear Maintainer,
> 
> When running a Windows 7 guest using the PulseAudio host audio driver
> and either "ICH AC97" or "Intel HD Audio" audio controller, running
> PowerShell and causing repeated beeping (e.g. by invoking ^G repeatedly)
> will cause VirtualBox to crash with SIGSEGV.  I was able to reproduce
> the issue using the Microsoft-provided "IE8 on Win7 (x86)" VM image[1]
> but was unable to reproduce it from terminal beeps using a Linux image.
> 


Can you please try 5.1.8?

G.

> The backtrace from the core dump is as follows:
> 
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  pa_threaded_mainloop_signal (m=0x191, wait_for_accept=0)
>     at pulse/thread-mainloop.c:196
> [Current thread is 1 (Thread 0x7f46e76aa700 (LWP 20306))]
> #0  0x00007f47001ebbde in pa_threaded_mainloop_signal (m=0x191, wait_for_accept=0) at pulse/thread-mainloop.c:196
> #1  0x00007f47001e2a95 in pa_stream_simple_ack_callback (pd=pd at entry=0x7f46e00017f0, command=command at entry=2, tag=tag at entry=634, t=t at entry=0x7f46e00028d0, userdata=userdata at entry=0x7f46e000cf00) at pulse/stream.c:2258
> #2  0x00007f46f0cba621 in run_action (pd=0x7f46e00017f0, r=0x7f46e000aac0, command=2, ts=0x7f46e00028d0) at pulsecore/pdispatch.c:288
> #3  0x00007f46f0cba99b in pa_pdispatch_run (pd=0x7f46e00017f0, packet=packet at entry=0x7f46e000bd90, ancil_data=ancil_data at entry=0x7f46e0000e88, userdata=userdata at entry=0x7f4710613640) at pulsecore/pdispatch.c:341
> #4  0x00007f47001c836e in pstream_packet_callback (p=<optimized out>, packet=0x7f46e000bd90, ancil_data=0x7f46e0000e88, userdata=0x7f4710613640)
>     at pulse/context.c:349
> #5  0x00007f46f0cbd5ef in do_read (p=p at entry=0x7f46e0000bf0, re=re at entry=0x7f46e0000db8) at pulsecore/pstream.c:1012
> #6  0x00007f46f0cc00ab in do_pstream_read_write (p=0x7f46e0000bf0)
>     at pulsecore/pstream.c:248
> #7  0x00007f46f0cc0449 in srb_callback (srb=<optimized out>, userdata=0x7f46e0000bf0) at pulsecore/pstream.c:287
> #8  0x00007f46f0cc0ccf in srbchannel_rwloop (sr=0x7f46e000bbe0)
>     at pulsecore/srbchannel.c:190
> #9  0x00007f47001dd338 in dispatch_pollfds (m=0x7f4710613490)
>     at pulse/mainloop.c:655
> #10 0x00007f47001dd338 in pa_mainloop_dispatch (m=m at entry=0x7f4710613490)
>     at pulse/mainloop.c:898
> #11 0x00007f47001dd70e in pa_mainloop_iterate (m=0x7f4710613490, block=<optimized out>, retval=0x0) at pulse/mainloop.c:929
> #12 0x00007f47001dd790 in pa_mainloop_run (m=0x7f4710613490, retval=retval at entry=0x0) at pulse/mainloop.c:944
> #13 0x00007f47001eb5f9 in thread (userdata=0x7f4710613450)
>     at pulse/thread-mainloop.c:100
> #14 0x00007f46f0cd0c58 in internal_thread_func (userdata=0x7f4710615c60)
>     at pulsecore/thread-posix.c:81
> #15 0x00007f476ea4051a in start_thread (arg=0x7f46e76aa700)
>     at pthread_create.c:465
> #16 0x00007f476e5743ef in clone ()
>     at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
> 
> I could host the entire core dump if it would be useful.  The host
> system has pulseaudio 11.1-4 installed.
> 
> Let me know if I should report the issue upstream.  I couldn't find a
> way to run the distro-agnostic binary package without installing it,
> which I'm hesitant to do.  So I have filed the issue here to start.
> 
> Thanks,
> Kevin
> 
> 1.  https://developer.microsoft.com/en-us/microsoft-edge/tools/vms/
> 
> 
> -- System Information:

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