[Pkg-libvirt-maintainers] Bug#866949: gvncviewer segfaults on Unix sockets

[Sakari Ailus]

Package: gvncviewer
Version: 0.6.0-3

gvncviewer crashes with SIGSEGV when trying to connect to Unix sockets.
With strace (/home/sailus/kvm/kekkonen is the Unix socket):

----------8<-----------
...
clock_gettime(CLOCK_MONOTONIC, {tv_sec=23050, tv_nsec=537731854}) = 0
poll([{fd=3, events=POLLIN}, {fd=4, events=POLLIN}, {fd=5, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(3, {msg_namelen=0}, 0)          = -1 EAGAIN (Resource temporarily unavailable)
clock_gettime(CLOCK_MONOTONIC, {tv_sec=23050, tv_nsec=537937678}) = 0
poll([{fd=3, events=POLLIN}, {fd=4, events=POLLIN}, {fd=5, events=POLLIN}], 3, 0) = 0 (Timeout)
recvmsg(3, {msg_namelen=0}, 0)          = -1 EAGAIN (Resource temporarily unavailable)
clock_gettime(CLOCK_MONOTONIC, {tv_sec=23050, tv_nsec=538133305}) = 0
poll([{fd=3, events=POLLIN}, {fd=4, events=POLLIN}, {fd=5, events=POLLIN}], 3, 0) = 0 (Timeout)
mmap2(NULL, 16777216, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf2d00000
sigprocmask(SIG_BLOCK, NULL, [])        = 0
sigprocmask(SIG_BLOCK, NULL, [])        = 0
sigprocmask(SIG_SETMASK, [], [])        = 0
socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0) = 10
fcntl64(10, F_GETFL)                    = 0x2 (flags O_RDWR)
fcntl64(10, F_SETFL, O_RDWR|O_NONBLOCK) = 0
clock_gettime(CLOCK_MONOTONIC, {tv_sec=23050, tv_nsec=538741209}) = 0
connect(10, {sa_family=AF_UNIX, sun_path="/home/sailus/kvm/kekkonen"}, 110) = 0
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x8} ---
+++ killed by SIGSEGV +++
Segmentation fault
----------8<-----------

This started happening on Stretch; on Jessie and before it this worked
fine.

I'm using i386 architecture version of the gvncviewer.

-- 
Sakari Ailus
e-mail: sakari.ailus at iki.fi	XMPP: sailus at retiisi.org.uk