Package: info
Version: 4.7-2.2
Followup-For: Bug #259561

Not sure if it's helpful but I hit the same bug with these steps:

1) info gcc
2) / -O1 RET
3) / RET
4) RET RET
5) BACKSPACE

More info:

I built info with debugging symbols with

DEB_BUILD_OPTIONS="nostrip debug noopt" fakeroot apt-get --build source info

and now i can see the following with GDB:

#0  0x0805bbd3 in info_menu_digit (window=0x8085760, count=1, key=48 '0') at 
session.c:1973
1973          if (entry->line_number > 0)
(gdb) bt
#0  0x0805bbd3 in info_menu_digit (window=0x8085760, count=1, key=48 '0') at 
session.c:1973
#1  0x0805a67b in backward_move_node_structure (window=0x8085760, behaviour=0) 
at session.c:1085
#2  0x0805a8ab in _scroll_backward (window=0x8085760, count=1, key=127 '\177', 
behaviour=0) at session.c:1190
#3  0x0805a9ef in info_scroll_backward (window=0x8085760, count=1, key=127 
'\177') at session.c:1239
#4  0x08060286 in info_dispatch_on_key (key=127 '\177', map=0x80752b0) at 
session.c:4646
#5  0x08058e80 in info_read_and_dispatch () at session.c:227
#6  0x08058d82 in info_session () at session.c:175
#7  0x08058d5e in display_startup_message_and_start () at session.c:166
#8  0x08058d17 in begin_info_session (initial_node=0x8075290) at session.c:153
#9  0x0805169e in main (argc=2, argv=0xbffffb94) at info.c:507
(gdb) print entry
$1 = (REFERENCE *) 0x0

Please ask for more info if you are unable to reproduce this.


-- System Information:
Debian Release: 3.1
Architecture: i386 (i686)
Kernel: Linux 2.6.8met2
Locale: LANG=C, LC_CTYPE=fi_FI (charmap=ISO-8859-1)

Versions of packages info depends on:
ii  libc6                 2.3.2.ds1-22sarge3 GNU C Library: Shared libraries an
ii  libncurses5           5.4-4              Shared libraries for terminal hand

-- no debconf information


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