Same here. Kubuntu 13.10

Here's a backtrace:

Program received signal SIGSEGV, Segmentation fault.
[Switching to LWP 22748]
memchr () at ../sysdeps/x86_64/memchr.S:39
39      ../sysdeps/x86_64/memchr.S: No such file or directory.
(gdb) bt
#0  memchr () at ../sysdeps/x86_64/memchr.S:39
#1  0x00007ffff787a267 in __GI__IO_getline_info (fp=fp@entry=0x7fffe4001370, 
buf=buf@entry=0x7fffeb3898f0 "kazaa", n=n@entry=2047, delim=delim@entry=10, 
extract_delim=extract_delim@entry=1, eof=eof@entry=0x0) at iogetline.c:94
#2  0x00007ffff787a398 in __GI__IO_getline (fp=fp@entry=0x7fffe4001370, 
buf=buf@entry=0x7fffeb3898f0 "kazaa", n=n@entry=2047, delim=delim@entry=10, 
extract_delim=extract_delim@entry=1) at iogetline.c:38
#3  0x00007ffff787ecbc in __GI_fgets_unlocked (buf=buf@entry=0x7fffeb3898f0 
"kazaa", n=n@entry=2048, fp=0x7fffe4001370) at iofgets_u.c:55
#4  0x00007fffea98265d in internal_getent (result=result@entry=0x7fffeb38a530, 
buffer=buffer@entry=0x7fffeb3898f0 "kazaa", buflen=buflen@entry=2048, 
errnop=errnop@entry=0x7fffeb38b680) at nss_files/files-XXX.c:207
#5  0x00007fffea982a44 in _nss_files_getservbyname_r (name=0x7fffeb9f8812 
"sane-port", proto=0x7ffff798a03e <gaih_inet_typeproto+30> "tcp", 
result=0x7fffeb38a530, buffer=0x7fffeb3898f0 "kazaa", buflen=2048, 
errnop=0x7fffeb38b680) at nss_files/files-service.c:41
#6  0x00007ffff7920bc2 in __getservbyname_r (name=name@entry=0x7fffeb9f8812 
"sane-port", proto=proto@entry=0x7ffff798a03e <gaih_inet_typeproto+30> "tcp", 
resbuf=resbuf@entry=0x7fffeb38a530, buffer=buffer@entry=0x7fffeb3898f0 "kazaa", 
buflen=buflen@entry=2048,
    result=result@entry=0x7fffeb38a520) at ../nss/getXXbyYY_r.c:266
#7  0x00007ffff78d62cb in gaih_inet_serv (servicename=0x7fffeb9f8812 
"sane-port", tp=tp@entry=0x7ffff798a034 <gaih_inet_typeproto+20>, 
st=st@entry=0x7fffeb38a5b0, req=<optimised out>) at 
../sysdeps/posix/getaddrinfo.c:164
#8  0x00007ffff78d6633 in gaih_inet (name=name@entry=0x7fffe4001138 
"kuutio.local", service=0x7fffeb38a7f0, req=req@entry=0x7fffeb38a950, 
pai=pai@entry=0x7fffeb38a7b0, naddrs=naddrs@entry=0x7fffeb38a790) at 
../sysdeps/posix/getaddrinfo.c:341
#9  0x00007ffff78da914 in __GI_getaddrinfo (name=0x7fffe4001138 "kuutio.local", 
service=<optimised out>, hints=0x7fffeb38a950, pai=0x7fffeb38a948) at 
../sysdeps/posix/getaddrinfo.c:2473
#10 0x00007fffeb9f4c3c in ?? () from 
/usr/lib/x86_64-linux-gnu/sane/libsane-net.so.1
#11 0x00007fffeb9f4f48 in ?? () from 
/usr/lib/x86_64-linux-gnu/sane/libsane-net.so.1
#12 0x00007fffeb5da5db in avahi_service_resolver_event () from 
/usr/lib/x86_64-linux-gnu/libavahi-client.so.3
#13 0x00007fffeb5d5ecc in ?? () from 
/usr/lib/x86_64-linux-gnu/libavahi-client.so.3
#14 0x00007fffeb39a9e6 in dbus_connection_dispatch () from 
/lib/x86_64-linux-gnu/libdbus-1.so.3
#15 0x00007fffeb5dc606 in ?? () from 
/usr/lib/x86_64-linux-gnu/libavahi-client.so.3
#16 0x00007fffeb7e9668 in avahi_simple_poll_dispatch () from 
/usr/lib/x86_64-linux-gnu/libavahi-common.so.3
#17 0x00007fffeb7e994d in avahi_simple_poll_loop () from 
/usr/lib/x86_64-linux-gnu/libavahi-common.so.3
#18 0x00007fffeb7e9a14 in ?? () from 
/usr/lib/x86_64-linux-gnu/libavahi-common.so.3
#19 0x00007ffff6ab1f6e in start_thread (arg=0x7fffeb38b700) at 
pthread_create.c:311
#20 0x00007ffff79049cd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Sane versions at the client:

tuomas@epsilon:~ $ dpkg -l | grep sane
ii  libksane-data                             4:4.11.2-0ubuntu1                 
         all          scanner library (data files)
ii  libksane0                                 4:4.11.2-0ubuntu1                 
         amd64        scanner library (runtime)
ii  libsane:amd64                             1.0.23-0ubuntu3                   
         amd64        API library for scanners
ii  libsane-common                            1.0.23-0ubuntu3                   
         amd64        API library for scanners -- documentation and support 
files
ii  libsane-dev                               1.0.23-0ubuntu3                   
         amd64        API development library for scanners [development files]
ii  libsane-hpaio                             3.13.9-1ubuntu0.1                 
         amd64        HP SANE backend for multi-function peripherals
ii  sane-utils                                1.0.23-0ubuntu3                   
         amd64        API library for scanners -- utilities
ii  xsane                                     0.998-5ubuntu1                    
         amd64        featureful graphical frontend for SANE (Scanner Access 
Now Easy)
ii  xsane-common                              0.998-5ubuntu1                    
         all          featureful graphical frontend for SANE (Scanner Access 
Now Easy)

The Sane server is Debian Wheeze 7.5 with sane 1.0.22-7.4 and libsane-
hpaio 3.12.6-3.1+deb7u1.

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https://bugs.launchpad.net/bugs/1224764

Title:
  scanimage crashed with SIGSEGV in memchr()

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