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* wmii(1) crashes
@ 2019-03-20  3:28 Anthony J. Bentley
  0 siblings, 0 replies; only message in thread
From: Anthony J. Bentley @ 2019-03-20  3:28 UTC (permalink / raw)
  To: tech

Hi,

Here's a table row trimmed from wmii(1):

.TS
tab(&) expand;
l lS.
T{
Mod\-Shift\-h 
T}&T{
Move the current window \fIwindow\fP
to a 
column on the \fIleft\fP
T}
.TE

If I run mandoc in a loop, I get a flurry of crashes. Most are "chunk
canary corrupted" triggering on exit, but occasionally there's an
assertion failure:

assertion "ic > 0" failed: file "term.c", line 265, function "term_fill"
Abort trap (core dumped) 

(gdb) bt
#0  thrkill () at -:3
#1  0x00000cd8fc62ae9e in _libc_abort () at /usr/src/lib/libc/stdlib/abort.c:51
#2  0x00000cd8fc6bac68 in _libc___assert2 (file=<optimized out>, 
    line=<optimized out>, func=<optimized out>, failedexpr=<optimized out>)
    at /usr/src/lib/libc/gen/assert.c:52
#3  0x00000cd6ad9233e1 in term_fill (p=<optimized out>, vtarget=64, 
    nbr=<optimized out>, vbr=<optimized out>) at term.c:265
#4  term_flushln (p=0xcd8db7d1a00) at term.c:138
#5  0x00000cd6ad92cc5f in print_man_node (p=0xcd8db7d1a00, mt=0x7f7ffffbc720, 
    n=0xcd9a9b7b400, meta=0xcd94135a800) at man_term.c:954
#6  0x00000cd6ad92cc21 in print_man_nodelist (n=0xcd9a9b7b400, 
    p=<optimized out>, mt=<optimized out>, meta=<optimized out>)
    at man_term.c:989
#7  print_man_node (p=0xcd8db7d1a00, mt=0x7f7ffffbc720, n=0xcd9721d6500, 
    meta=0xcd94135a800) at man_term.c:951
#8  0x00000cd6ad92cc21 in print_man_nodelist (n=0xcd9721d6500, 
    p=<optimized out>, mt=<optimized out>, meta=<optimized out>)
    at man_term.c:989
#9  print_man_node (p=0xcd8db7d1a00, mt=0x7f7ffffbc720, n=0xcd8b74bec00, 
    meta=0xcd94135a800) at man_term.c:951
#10 0x00000cd6ad92cc21 in print_man_nodelist (n=0xcd8b74bec00, 
    p=<optimized out>, mt=<optimized out>, meta=<optimized out>)
    at man_term.c:989
#11 print_man_node (p=0xcd8db7d1a00, mt=0x7f7ffffbc720, n=0xcd9a57db600, 
    meta=0xcd94135a800) at man_term.c:951
#12 0x00000cd6ad92cc21 in print_man_nodelist (n=0xcd9a57db600, 
    p=<optimized out>, mt=<optimized out>, meta=<optimized out>)
    at man_term.c:989
#13 print_man_node (p=0xcd8db7d1a00, mt=0x7f7ffffbc720, n=0xcd957945000, 
    meta=0xcd94135a800) at man_term.c:951
#14 0x00000cd6ad92cc21 in print_man_nodelist (n=0xcd957945000, 
    p=<optimized out>, mt=<optimized out>, meta=<optimized out>)
    at man_term.c:989
#15 print_man_node (p=0xcd8db7d1a00, mt=0x7f7ffffbc720, n=0xcd8fd1f5900, 
    meta=0xcd94135a800) at man_term.c:951
#16 0x00000cd6ad92cc21 in print_man_nodelist (n=0xcd8fd1f5900, 
    p=<optimized out>, mt=<optimized out>, meta=<optimized out>)
    at man_term.c:989
#17 print_man_node (p=0xcd8db7d1a00, mt=0x7f7ffffbc720, n=0xcd9087c9b00, 
    meta=0xcd94135a800) at man_term.c:951
#18 0x00000cd6ad92cc21 in print_man_nodelist (n=0xcd9087c9b00, 
    p=<optimized out>, mt=<optimized out>, meta=<optimized out>)
    at man_term.c:989
#19 print_man_node (p=0xcd8db7d1a00, mt=0x7f7ffffbc720, n=0xcd9a825ba00, 
    meta=0xcd94135a800) at man_term.c:951
#20 0x00000cd6ad92c4a1 in print_man_nodelist (n=0xcd9a825ba00, 
    p=<optimized out>, mt=<optimized out>, meta=<optimized out>)
    at man_term.c:989
#21 terminal_man (arg=0xcd8db7d1a00, man=0xcd94135a800) at man_term.c:182
#22 0x00000cd6ad91f6a2 in parse (curp=<optimized out>, fd=<optimized out>, 
    file=<optimized out>) at main.c:861
#23 0x00000cd6ad91e670 in main (argc=1, argv=0x7f7ffffbcbc0) at main.c:510
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