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sagb / alttab

The task switcher for minimalistic window managers or standalone X11 session
GNU General Public License v3.0
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Segfault when pressing alt-tab after focusing window on another desktop #5

Closed GridCruncher closed 7 years ago

GridCruncher commented 7 years ago

After focusing a window belonging to the group (desktop) other than current group, pressing alt-tab causes segfault. WM: ratpoison Command that changes focus to window on another desktop, without switching to that desktop: firefox-esr -new-tab ...

Program received signal SIGSEGV, Segmentation fault.
0xb7e651f9 in XftCharIndex () from /usr/lib/i386-linux-gnu/libXft.so.2
(gdb) bt

0 0xb7e651f9 in XftCharIndex () from /usr/lib/i386-linux-gnu/libXft.so.2

1 0xb7e618c5 in XftTextExtentsUtf8 () from /usr/lib/i386-linux-gnu/libXft.so.2

2 0x0804cc8f in drawMultiLine (dpy=0x10, dpy@entry=0x8054008, d=119, d@entry=12582929,

font=0xbfffd4fc, font@entry=0x10, xftcolor=0x8053ab0 <g+4208>,  
str=0x8070cd0 "ws rel", x1=0, y1=5, width=109, height=4294967291) at util.c:313

3 0x0804d6b5 in drawMultiLine (dpy=0x8054008, d=12582929, font=0x10,

xftcolor=0x8053ab0 <g+4208>, str=0x8070cd0 "ws rel", x1=0, y1=5, width=109,  
height=4294967291) at util.c:307

4 0x0804b0fb in uiShow (dpy=0x8054008, root=627, direction=false) at gui.c:315

5 0x08049a27 in main (argc=1, argv=0xbfffefc4) at alttab.c:299

sagb commented 7 years ago

Variables in struct g from option_max_reclevel and below are corrupted by sortlist stuff. Fix in progress.