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Bug#208428: libc6: getgrnam() hangs and consumes more and more memory when line in /etc/group longer then 800_bytes

Package: libc6
Version: 2.3.2-4
Severity: normal
Tags: sid

When invoking groupdel the system consumes more and more memory.
I have 512_MB memory + 1_GB swap. In 5_minutes the kernel has killed the 
process. Using ltrace/strace I realised that file /etc/groups is periodicly
read in function getgrnam(). After deleting a long line (> ~800_bytes), groupdel works as expected.

-- System Information:
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux aplik 2.4.20piii #1 Tue Jun 17 18:42:47 CEST 2003 i686
Locale: LANG=C, LC_CTYPE=cs_CZ

Versions of packages libc6 depends on:
ii  libdb1-compat                 2.1.3-7    The Berkeley database routines [gl

-- no debconf information

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