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[Bug 1033198] mtr crashes in libncurses
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Thu, 04 May 2017 02:22:54 +0000
  • Message-id: <>

--- Comment #16 from Gary Ching-Pang Lin <glin@xxxxxxxx> ---
I encountered the similar crash with cscope, so I updated ncurses from
Base:System. Now cscope works as expected. However, mutt starts to crash :-(

The backtrace of "gdb mutt":

Program received signal SIGSEGV, Segmentation fault.
_nc_init_acs_sp (sp=sp@entry=0x55555588aad0) at ../ncurses/tinfo/lib_acs.c:95
95 real_map[j] = 0;
(gdb) bt
#0 0x00007ffff797ec72 in _nc_init_acs_sp (sp=sp@entry=0x55555588aad0) at
#1 0x00007ffff7bbb775 in _nc_setupscreen_sp (spp=spp@entry=0x7fffffffd478,
slines=<optimized out>, scolumns=<optimized out>,
output=output@entry=0x7ffff65875e0 <_IO_2_1_stdout_>, filtered=<optimized out>,
slk_format=slk_format@entry=0) at ../ncurses/base/lib_set_term.c:587
#2 0x00007ffff7bb6c21 in newterm_sp (sp=<optimized out>,
name=name@entry=0x7fffffffeafc "xterm-256color", ofp=<optimized out>,
ifp=<optimized out>)
at ../ncurses/base/lib_newterm.c:222
#3 0x00007ffff7bb715c in newterm (name=name@entry=0x7fffffffeafc
"xterm-256color", ofp=<optimized out>, ifp=<optimized out>) at
#4 0x00007ffff7bb2c86 in initscr () at ../ncurses/base/lib_initscr.c:89
#5 0x000055555556cfdd in start_curses () at main.c:147
#6 0x000055555556cfdd in main (argc=1, argv=0x7fffffffdda8) at main.c:412
(gdb) p real_map[0]
Cannot access memory at address 0x80ffff00
(gdb) p real_map
$1 = (chtype *) 0x80ffff00

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