Package: dselect
Version: 1.13.23
Hi,
apparently latest dselect update is not completely happy on my box.
It crashes because somebody calls strlen(NULL) when trying to open
dselect's [S]elect. It was working fine before update (hour ago).
Thanks,
Petr Vandrovec
dselect[3737]: segfault at 0000000000000000 rip 00000000f7d382b3 rsp
00000000ff9f352c error 4
debian:~# gdb /usr/bin/dselect core
GNU gdb 6.4.90-debian
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This GDB was configured as "i486-linux-gnu"...(no debugging symbols
found)
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
warning: Can't read pathname for load map: Input/output error.
Reading symbols from /lib/libncurses.so.5...(no debugging symbols
found)...done.
Loaded symbols for /lib/libncurses.so.5
Reading symbols from /usr/lib/libstdc++.so.6...(no debugging symbols
found)...done.
Loaded symbols for /usr/lib/libstdc++.so.6
Reading symbols from /lib/tls/i686/cmov/libm.so.6...(no debugging
symbols found)...done.
Loaded symbols for /lib/tls/i686/cmov/libm.so.6
Reading symbols from /lib/libgcc_s.so.1...(no debugging symbols
found)...done.
Loaded symbols for /lib/libgcc_s.so.1
Reading symbols from /lib/tls/i686/cmov/libc.so.6...(no debugging
symbols found)...done.
Loaded symbols for /lib/tls/i686/cmov/libc.so.6
Reading symbols from /lib/tls/i686/cmov/libdl.so.2...(no debugging
symbols found)...done.
Loaded symbols for /lib/tls/i686/cmov/libdl.so.2
Reading symbols from /lib/ld-linux.so.2...Reading symbols from
/usr/lib/debug/lib/ld-2.3.6.so...
(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib/ld-linux.so.2
warning: Lowest section in system-supplied DSO at 0xffffe000 is .hash at
ffffe0b4
(no debugging symbols found)
Core was generated by `dselect'.
Program terminated with signal 11, Segmentation fault.
#0 0xf7d382b3 in strlen () from /lib/tls/i686/cmov/libc.so.6
(gdb) bt
#0 0xf7d382b3 in strlen () from /lib/tls/i686/cmov/libc.so.6
#1 0x08055d0a in operator new ()
#2 0x08052298 in operator new ()
#3 0x0805267c in operator new ()
#4 0x0804e25f in operator new ()
#5 0x0804dfa2 in operator new ()
#6 0x0804e1b5 in operator new ()
#7 0xf7ce1ea8 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#8 0x0804aa81 in ?? ()
(gdb) x /10i $eip
0xf7d382b3 <strlen+51>: mov (%eax),%ecx
0xf7d382b5 <strlen+53>: mov $0xfefefeff,%edx
0xf7d382ba <strlen+58>: add %ecx,%edx
0xf7d382bc <strlen+60>: jae 0xf7d38317 <strlen+151>
0xf7d382be <strlen+62>: xor %ecx,%edx
0xf7d382c0 <strlen+64>: or $0xfefefeff,%edx
0xf7d382c6 <strlen+70>: inc %edx
0xf7d382c7 <strlen+71>: jne 0xf7d38317 <strlen+151>
0xf7d382c9 <strlen+73>: mov 0x4(%eax),%ecx
0xf7d382cc <strlen+76>: mov $0xfefefeff,%edx
(gdb) info registers
eax 0x0 0
ecx 0x0 0
edx 0x0 0
ebx 0x0 0
esp 0xff9f352c 0xff9f352c
ebp 0xff9f3568 0xff9f3568
esi 0xff9f35a4 -6343260
edi 0xff9f3550 -6343344
eip 0xf7d382b3 0xf7d382b3 <strlen+51>
eflags 0x10246 [ PF ZF IF RF ]
cs 0x23 35
ss 0x2b 43
ds 0x2b 43
es 0x2b 43
fs 0x0 0
gs 0x63 99
(gdb)
debian:~# cat /etc/apt/sources.list
deb file:/mirrors/debian unstable main contrib non-free
#deb file:/mirrors/debian unstable/non-US main
deb-src file:/mirrors/debian unstable main contrib non-free
#deb-src file:/mirrors/debian unstable/non-US main
deb http://petr-dev3.eng.vmware.com/debian unstable main contrib
non-free
deb-src http://petr-dev3.eng.vmware.com/debian unstable main contrib
non-free
#deb cdrom:[Debian GNU/Linux 3.0 r2 _Woody_ - Official i386 Binary-1
(20031201)]/ unstable contrib main non-US/contrib non-US/main
#deb http://master/debian unstable main contrib non-free
#deb http://master/debi2 unstable main contrib non-free
deb http://www.debian-multimedia.org/ sid main
deb http://ftp.cz.debian.org/debian sid main contrib non-free
deb http://ftp.debian.org/debian sid main contrib non-free
#deb-src http://master/debian unstable main contrib non-free
#deb-src http://master/debi2 unstable main contrib non-free
deb-src http://www.debian-multimedia.org/ sid main
deb-src http://ftp.cz.debian.org/debian sid main contrib non-free
deb-src http://ftp.debian.org/debian sid main contrib non-free
# deb http://non-us.debian.org/debian-non-US woody/non-US main contrib
# non-free
# deb http://security.debian.org/ stable/updates main
debian:~#
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