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[Bug 1352504] Re: Regression in 2.11.1-0ubuntu7.14; segfault in getservbyname

 

Package fails to build due to a test suite error:

...
root@hephaestion:~/eglibc-2.11.1# cat scripts/data/localplt-i386-linux-gnu.data
libc.so: _Unwind_Find_FDE
libc.so: calloc
libc/crypt/libcrypt.so | \
          LC_ALL=C sort | \
          diff -u ../scripts/data/localplt-i386-linux-gnu.data - > /tmp/buildd/eglibc-2.11.1/build-tree/i386-libc/elf/check-localplt.out
make[3]: *** [/tmp/buildd/eglibc-2.11.1/build-tree/i386-libc/elf/check-localplt.out] Error 1
make[3]: Target `tests' not remade because of errors.
make[3]: Leaving directory `/tmp/buildd/eglibc-2.11.1/elf'
make[2]: *** [elf/tests] Error 2


libc.so: free
libc.so: malloc
libc.so: memalign
libc.so: realloc
libm.so: matherr
root@hephaestion:~/eglibc-2.11.1# cat /tmp/buildd/eglibc-2.11.1/build-tree/i386-libc/elf/check-localplt.out
--- ../scripts/data/localplt-i386-linux-gnu.data        2006-08-17 01:18:26.000000000 +0000
+++ -   2014-08-04 23:51:17.224429361 +0000
@@ -1,7 +1,9 @@
 libc.so: _Unwind_Find_FDE
 libc.so: calloc
+libc.so: feof
 libc.so: free
 libc.so: malloc
 libc.so: memalign
+libc.so: memmem
 libc.so: realloc
 libm.so: matherr

I cannot see any call on memmem or feof in the patch I've introduced,
nor any commits in upstream close to this one to explain why these are
being exposed.

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https://bugs.launchpad.net/bugs/1352504

Title:
  Regression in 2.11.1-0ubuntu7.14; segfault in getservbyname

Status in “eglibc” package in Ubuntu:
  In Progress

Bug description:
  After taking security updates to 2.11.1-0ubuntu7.14 on Lucid, calls to
  getservbyname() are causing segfaults; backtrace attached.  I suspect
  a failure in debian/patches/any/CVE-2013-4357.diff

  nscd is installed and in use as a caching layer for openldap, which
  use used for passwd, group, and shadow but not services.

  Needless to say, a security update that causes a regression which
  makes 'apt-get' segfault is quite unfortunate.

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References