Re: vi(1) one line crasher

[Martin Husemann <martin%duskware.de@localhost>]

On Thu, Jun 22, 2023 at 08:52:12PM +0200, Martin Husemann wrote:
> env EXINIT='set nu showmatch ts=8 wl=72' vi /tmp/vi_crasher.txt
> 
> does crash for me when typing $

#2  0x00000000009a54da in vs_paint (sp=sp@entry=0x6fb6f40de000, 
    flags=flags@entry=3) at /work/src/external/bsd/nvi/dist/vi/vs_refresh.c:726
726                             abort(); /* XXX infinite recursion */
(gdb) list
721                     abort();
722             }
723     #else
724             if (vip->sc_smap == NULL) {
725                     if (F_ISSET(sp, SC_SCR_REFORMAT))
726                             abort(); /* XXX infinite recursion */
727                     F_SET(sp, SC_SCR_REFORMAT);
728                     return (vs_paint(sp, flags));
729             }
730     #endif
#3  0x00000000009983de in vs_paint (sp=sp@entry=0x6fb6f40de000, flags=3)
    at /work/src/external/bsd/nvi/dist/vi/vs_refresh.c:728
#4  0x00000000009990d5 in vs_refresh (sp=sp@entry=0x6fb6f40de000, 
    forcepaint=forcepaint@entry=0)
    at /work/src/external/bsd/nvi/dist/vi/vs_refresh.c:99
#5  0x00000000009941e6 in vi (spp=spp@entry=0x7f7fffe31740)
    at /work/src/external/bsd/nvi/dist/vi/vi.c:115
#6  0x000000000097bdf8 in editor (wp=wp@entry=0x6fb6f40f1000, 
    argc=<optimized out>, argc@entry=2, argv=<optimized out>, 
    argv@entry=0x7f7fffe319c8)
    at /work/src/external/bsd/nvi/dist/common/main.c:436
#7  0x00000000009a5864 in main (argc=2, argv=0x7f7fffe319c8)
    at /work/src/external/bsd/nvi/dist/cl/cl_main.c:134


Can you file a PR please?

Thanks!

Martin