Description of problem:
grep -rP 'twitter.com/home\\?' *
or
grep -rP 'twitter.com/home\?' *
(in tcsh)

Version-Release number of selected component:
grep-2.15-1.fc20

Additional info:
reporter:       libreport-2.1.10
backtrace_rating: 4
cmdline:        grep --color=auto -rP 'twitter.com/home\\\\?' 1426studios.com 1stavecontemporarygallery.com 1stclassaviation.com 2111brass.com 486school.com 4x4doctor.com aakseducation.com aascedu.com abcglobalclassroom.com abidian.com abovehawaii.com accessmotivational.com accidentreconstruction.com accordmusicstudio.com acegreenexams.com ac-me.org acreseminar.com activeep.com actscoremore.com adaadance.com adrianabellydance.com advancededucationalproductions.com advancededucationalprograms.com advancek9.com advertisingrepaircenter.com afcoemanila.com afpls.org africancce.org agreattranslation.com ahaspeakspanish.com aimmotorcycletraining.com airecastle.com al1call.com alamoagile.com alanlambwingchun.com alaskaconsumercouncil.org aldersgateum.com alexandercampbell.net algarve-oasis.com alidallas.com allegiancedesignbuild.com almost-famous-dance.com alohapsychicwaves.com amdmusica.com americannotary.com american-te.com amity-ca.com amosfortune.com anavamicenter.com andymonks.com anew-journey.com angelinadeweese.com animalhospitalashburnva.com animaxionstudioz.com annarboryoga.org annieriley.com apkadrivingschool.com apolloslist.com appsinspanish.com aquachiefs.com arcadance.com archaeosoup.com architectureganga.com argofeeds.com argosydev.com arizonalifeimprovement.com arkoeoutdoors.com arrantsolutions.com art4purpose.com artcastleschool.com artisticfinds.com artonthelevee.com arttest.com ashlandyogacenter.com aspire2healthy.com athletesedgepa.com atlanta-hip-hop-dance-classes.com atlantissportsclubnashua.com atlasprofilaxofutah.com at-tuqa.com auctioninstructor.com audienceresponseinfo.com austinkidkonnect.com australiahrm.com autoxlmichigan.com aviationrebuilders.com awakeningspiritonline.com awlogue.com axcelinstitute.com axiom-business.com backpackerpages.com badgran.com baikaikungfu.com balawatersports.com ballard-edu.com banyanmontessori.com barkavenuekennels.com basketballcombinetraining.com bbtbenefits.com beamyoga.com becomepowerful.com beechhillfarm.com bellabdecor.com bennett-travel.com bernardsvilletestprep.com bestpcmice.com betconsulting.net beverlyhillsviolinlessons.com beyond-roots.com bhvorff.net biantaichi.com big-careers.com bigdreamsandlilwonders.com bikramyogaauburn.com bioexpertsnet.com biofinpharma.com biophiliafitness.com birthbeginnings.com birthnaturallywithhypnobabies.com blairhealthstudio.com blazinbullets.com bluespiritwheel.com bluevalleygallery.com bluewavesdriving.com bodyandbirth.com bohpathletics.com bostonartscanvas.com bostonflightsimulator.com botanique-de-sardac.com bowie-cert.com bppsjag.com braddock-body-process.com briansfitness.com brightideas-za.com broskiclay.com btwclassof1967.com btwdriving.com bubblingwellbeadandteabar.com buffalocreekguitar.com bureaueducation.com burrridgedogtraining.com businessspokesperson.com butlersoncall.com calkenkenya.com cammiemckenzie.com campcoverage.com can-arian.com candiasanders.com capacitytolearn.com asrigging.com carotidultrasoundseminars.com casnepal.org castingclasses.com cdtamathura.com cebulanguages.com centerforgifted.org cerconline.org certmasterit.com cgaux9wr.com chandler-studios.com channingrodman.com charlottewattshealth.com chellysw.com chicagobusinessexpo.com chiflows.com childcrisiselp.org childrensprogram.net childrensvisualartacademy.com chinesemedicineusa.com chiro-miami.com chobeauty.com chooseapeacefulbirth.com christianchurchsongs.com christinelafuente.com chs-classof1961.com cincinnatifitkids.com cinderellaonthecouch.com claire-dries.com claretcenter.org clarity2act.com claudiazamara.com clearingwebshop.com clearlytalking.com cletc.net cmcolive.com cmpersonaltrainingchapelhill.com coastalmountainwrestling.com coliegedegree.com collectivehorsemanship.com collectiveyarns.com college-searching.org coloradotechunivesity.com communitycareoptions.com connectnr.com consepsys-im.com consultants-india.com cookingclassthyme.com coquitlambootcamp.com corethree60.com cottonwoodcreekmorgans.com co
crash_function: Pexecute
executable:     /usr/bin/grep
kernel:         3.11.10-301.fc20.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (7 frames)
 #2 Pexecute at pcresearch.c:189
 #3 do_execute at main.c:1068
 #4 grepbuf at main.c:1103
 #5 grep at main.c:1214
 #6 grepdesc at main.c:1467
 #7 grepdirent at main.c:1355
 #8 grepdesc at main.c:1418