[Fontforge-devel] Crash with CID-keyed CFF font

[Barry S. <che...@ch...>]

With a FontForge-generated font such as (but not limited to) the
following,

   http://home.comcast.net/~crudfactory/CyberCaligraphic.cid.cff

if I load it into fontforge and press ctl-K to start up a metrics
window, then try typing some text, fontforge is not happy:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f7764c2c740 (LWP 29293)]
0x00000000005794bf in MVSelectSubtableForScript (mv=0x1ac8d50, script=1818326126) at metricsview.c:511
/home/trashman/src/Fonts/fontforge/cvs/fontforge/fontforge/metricsview.c:511:17636:beg:0x5794bf
(gdb) bt
#0  0x00000000005794bf in MVSelectSubtableForScript (mv=0x1ac8d50, script=1818326126) at metricsview.c:511
#1  0x000000000057a7c4 in MVRemetric (mv=0x1ac8d50) at metricsview.c:742
#2  0x0000000000585526 in MVResize (mv=0x1ac8d50) at metricsview.c:3606
#3  0x000000000058ae2b in MetricsViewCreate (fv=0x1714070, sc=0x0, bdf=0x0) at metricsview.c:4624
#4  0x0000000000524573 in FVMenuOpenMetrics (gw=0x17146a0, mi=0x192bca0, e=0x0) at fontview.c:1068
#5  0x00007f77640f5611 in GMenuBarCheckKey (g=0x1704e10, event=0x7fff6cc5c3c0) at gmenu.c:1360
#6  0x00007f77640bac08 in _GWidget_TopLevel_Key (top=0x17146a0, ew=0x192c800, event=0x7fff6cc5c3c0) at gcontainer.c:491
#7  0x00007f77640ba351 in _GWidget_Container_eh (gw=0x192c800, event=0x7fff6cc5c3c0) at gcontainer.c:337
#8  0x00007f7764137861 in dispatchEvent (gdisp=0xb09b20, event=0x7fff6cc5c490) at gxdraw.c:3682
#9  0x00007f7764137c23 in GXDrawEventLoop (gd=0xb09b20) at gxdraw.c:3781
#10 0x00007f77640beb36 in GDrawEventLoop (gdisp=0xb09b20) at gdraw.c:744
#11 0x000000000060fddd in main (argc=2, argv=0x7fff6cc5cb68) at startui.c:1367
(gdb)