This bug was fixed in the package grep - 2.22-1ubuntu2
---------------
grep (2.22-1ubuntu2) xenial; urgency=medium
* Mark tests/long-pattern-perf as expensive, instead of lowering the
build options (patch taken from upstream).
-- Matthias Klose <[email protected]> Wed, 10 Feb 2016 17:22:07 +0100
** Changed in: grep (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1526548
Title:
grep 2.22 infinite loop
Status in grep package in Ubuntu:
Fix Released
Bug description:
Christian Boltz discovered that grep 2.22 can be sent into an infinite
loop. 2.21 does not have this issue. The reproducer we have available
so far:
grep -obUa -P '\x04\x08\x00profile\x00\x07' /etc/apparmor.d/cache/*
Probably one of the files in that directory will report infinite
output in the style of:
# grep -obUa -P '\x04\x08\x00profile\x00\x07' cache--usr.sbin.smbldap-useradd
16profile
27801profile
27801profile
27801profile
27801profile
27801profile
...
Thanks
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