[Bug 98779] qemu-system-x86 segfaults in libspice-server.so.1.12.0

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Dec 7 05:00:11 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=98779

--- Comment #5 from jbash <jbash at velvet.com> ---
I'm seeing what's almost certainly the same problem starting Whonix-Gateway on
Fedora 25.

libvirt-2.2.0-2.fc25.x86_64
qemu-system-x86-2.7.0-7.fc25.x86_64
spice-server-0.13.2-1.fc25.x86_64

Here's a trace:

(gdb) where
#0  0x00007f281d8be41d in spice_server_set_agent_file_xfer
(reds=0x557ef1ecb180, enable=enable at entry=0) at reds.c:4024
#1  0x0000557eeeb3895e in qemu_spice_init () at
/usr/src/debug/qemu-2.7.0/ui/spice-core.c:754
#2  0x0000557eee8af15a in main (argc=<optimized out>, argv=<optimized out>,
envp=<optimized out>) at /usr/src/debug/qemu-2.7.0/vl.c:4338

In Fedora's source package for spice 0.13.2-1, line 4024 of reds.c is

    reds->agent_dev->priv->write_filter.file_xfer_enabled =
reds->config->agent_file_xfer;

and in the source package for qemu 2.7.0-7, line 754 of spice-core.c is

    spice_server_set_agent_file_xfer(spice_server, false);

That's conditionally *compiled* on SPICE_SERVER_VERSION >= 0x000c04, and
conditionally *executed* on qemu_opt_get_bool(opts, "disable-agent-file-xfer",
0).

... which is conditio

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