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12:02:12 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Bart Schaefer Date: Wed, 15 Dec 2021 12:02:02 -0800 Message-ID: Subject: Re: segfault in 'ls' completion To: Vin Shelton Cc: "Zsh Hackers' List" Content-Type: multipart/alternative; boundary="00000000000021954c05d334c876" X-Seq: 49650 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: --00000000000021954c05d334c876 Content-Type: text/plain; charset="UTF-8" On Wed, Dec 15, 2021 at 8:47 AM Vin Shelton wrote: > ls /usr/lib/libpyzsh: segmentation fault (core dumped) /opt/bin/zsh > -f > > I was able to reproduce this; the stack trace is 161 frames deep, last 36 ending here: #0 0x000055555569614f in ca_parse_line (d=0x55555584de10, all=0x55555584de10, multi=0, first=1) at computil.c:2220 #1 0x0000555555697b16 in bin_comparguments ( nam=0x7ffff7613cf8 "comparguments", args=0x7ffff7615fc0, ops=0x7fffffff0680, func=0) at computil.c:2647 #2 0x0000555555576c5d in execbuiltin (args=0x7ffff7613d38, assigns=0x0, bn=0x5555557137c0 ) at builtin.c:506 #3 0x00005555555a1895 in execcmd_exec (state=0x7fffffff1810, eparams=0x7fffffff0bc0, input=0, output=0, how=18, last1=2, close_if_forked=-1) at exec.c:4141 #4 0x000055555559b041 in execpline2 (state=0x7fffffff1810, pcode=20995, how=18, input=0, output=0, last1=0) at exec.c:1957 #5 0x0000555555599bfa in execpline (state=0x7fffffff1810, slcode=7170, how=18, last1=0) at exec.c:1687 #6 0x0000555555598eac in execlist (state=0x7fffffff1810, dont_change_job=1, exiting=0) at exec.c:1442 #7 0x00005555555d46fe in execif (state=0x7fffffff1810, do_exec=0) at loop.c:561 #8 0x00005555555a0f3c in execcmd_exec (state=0x7fffffff1810, eparams=0x7fffffff1430, input=0, output=0, how=18, last1=2, close_if_forked=-1) at exec.c:3961 #9 0x000055555559b041 in execpline2 (state=0x7fffffff1810, pcode=20995, how=18, input=0, output=0, last1=0) at exec.c:1957 #10 0x0000555555599bfa in execpline (state=0x7fffffff1810, slcode=1342466, how=18, last1=0) at exec.c:1687 #11 0x0000555555598eac in execlist (state=0x7fffffff1810, dont_change_job=1, exiting=0) at exec.c:1442 #12 0x00005555555984d0 in execode (p=0x5555557ea7b0, dont_change_job=1, exiting=0, context=0x5555556d3faa "loadautofunc") at exec.c:1219 #13 0x00005555555a52f4 in execautofn_basic (state=0x7fffffff20f0, do_exec=0) at exec.c:5528 #14 0x00005555555a0eff in execcmd_exec (state=0x7fffffff20f0, eparams=0x7fffffff1d10, input=0, output=0, how=18, last1=2, close_if_forked=-1) at exec.c:3959 #15 0x000055555559b041 in execpline2 (state=0x7fffffff20f0, pcode=3, how=18, input=0, output=0, last1=0) at exec.c:1957 #16 0x0000555555599bfa in execpline (state=0x7fffffff20f0, slcode=3074, how=18, last1=0) at exec.c:1687 #17 0x0000555555598eac in execlist (state=0x7fffffff20f0, dont_change_job=1, exiting=0) at exec.c:1442 #18 0x00005555555984d0 in execode (p=0x5555557a8900, dont_change_job=1, exiting=0, context=0x5555556d412a "shfunc") at exec.c:1219 #19 0x00005555555a6d29 in runshfunc (prog=0x5555557a8900, wrap=0x0, name=0x7ffff7613168 "_arguments") at exec.c:6063 #20 0x000055555566b6d0 in comp_wrapper (prog=0x5555557a8900, w=0x0, name=0x7ffff7613168 "_arguments") at complete.c:1588 #21 0x00005555555a6b12 in runshfunc (prog=0x5555557a8900, wrap=0x5555557134a0 , name=0x7ffff7613168 "_arguments") at exec.c:6047 #22 0x00005555555a62e6 in doshfunc (shfunc=0x5555557a7fb0, doshargs=0x7ffff761e050, noreturnval=0) at exec.c:5913 #23 0x00005555555a5085 in execshfunc (shf=0x5555557a7fb0, args=0x7ffff761e050) at exec.c:5482 #24 0x00005555555a113f in execcmd_exec (state=0x7fffffff2ff0, eparams=0x7fffffff2c10, input=0, output=0, how=18, last1=2, close_if_forked=-1) at exec.c:4012 #25 0x000055555559b041 in execpline2 (state=0x7fffffff2ff0, pcode=13379, how=18, input=0, output=0, last1=0) at exec.c:1957 #26 0x0000555555599bfa in execpline (state=0x7fffffff2ff0, slcode=7170, how=18, last1=0) at exec.c:1687 #27 0x0000555555598eac in execlist (state=0x7fffffff2ff0, dont_change_job=1, exiting=0) at exec.c:1442 #28 0x00005555555984d0 in execode (p=0x5555557ab7b0, dont_change_job=1, exiting=0, context=0x5555556d3faa "loadautofunc") at exec.c:1219 #29 0x00005555555a52f4 in execautofn_basic (state=0x7fffffff38d0, do_exec=0) at exec.c:5528 #30 0x00005555555a0eff in execcmd_exec (state=0x7fffffff38d0, eparams=0x7fffffff34f0, input=0, output=0, how=18, last1=2, close_if_forked=-1) at exec.c:3959 #31 0x000055555559b041 in execpline2 (state=0x7fffffff38d0, pcode=3, how=18, input=0, output=0, last1=0) at exec.c:1957 #32 0x0000555555599bfa in execpline (state=0x7fffffff38d0, slcode=3074, how=18, last1=0) at exec.c:1687 #33 0x0000555555598eac in execlist (state=0x7fffffff38d0, dont_change_job=1, exiting=0) at exec.c:1442 #34 0x00005555555984d0 in execode (p=0x5555557fb5f0, dont_change_job=1, exiting=0, context=0x5555556d412a "shfunc") at exec.c:1219 #35 0x00005555555a6d29 in runshfunc (prog=0x5555557fb5f0, wrap=0x0, name=0x7ffff761b168 "_ls") at exec.c:6063 #36 0x000055555566b6d0 in comp_wrapper (prog=0x5555557fb5f0, w=0x0, name=0x7ffff761b168 "_ls") at complete.c:1588 --00000000000021954c05d334c876 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
On Wed, Dec 15, 2021 at 8:47 AM Vin Shelt= on <acs@alumni.princeton.edu= > wrote:
ls /usr/lib/libpy&l= t;TAB>zsh: segmentation fault (core dumped) =C2=A0/opt/bin/zsh -f=


I was able to reproduce this; the stack trace is 161 frames deep, = last 36 ending here:

#0 =C2=A00x00005555556961= 4f in ca_parse_line (d=3D0x55555584de10, all=3D0x55555584de10,
=C2=A0 = =C2=A0 multi=3D0, first=3D1) at computil.c:2220
#1 =C2=A00x0000555555697= b16 in bin_comparguments (
=C2=A0 =C2=A0 nam=3D0x7ffff7613cf8 "comp= arguments", args=3D0x7ffff7615fc0,
=C2=A0 =C2=A0 ops=3D0x7fffffff0= 680, func=3D0) at computil.c:2647
#2 =C2=A00x0000555555576c5d in execbui= ltin (args=3D0x7ffff7613d38, assigns=3D0x0,
=C2=A0 =C2=A0 bn=3D0x555555= 7137c0 <bintab>) at builtin.c:506
#3 =C2=A00x00005555555a1895 in e= xeccmd_exec (state=3D0x7fffffff1810,
=C2=A0 =C2=A0 eparams=3D0x7fffffff= 0bc0, input=3D0, output=3D0, how=3D18, last1=3D2,
=C2=A0 =C2=A0 close_i= f_forked=3D-1) at exec.c:4141
#4 =C2=A00x000055555559b041 in execpline2 = (state=3D0x7fffffff1810, pcode=3D20995,
=C2=A0 =C2=A0 how=3D18, input= =3D0, output=3D0, last1=3D0) at exec.c:1957
#5 =C2=A00x0000555555599bfa = in execpline (state=3D0x7fffffff1810, slcode=3D7170,
=C2=A0 =C2=A0 how= =3D18, last1=3D0) at exec.c:1687
#6 =C2=A00x0000555555598eac in execlist= (state=3D0x7fffffff1810, dont_change_job=3D1,
=C2=A0 =C2=A0 exiting=3D= 0) at exec.c:1442
#7 =C2=A00x00005555555d46fe in execif (state=3D0x7ffff= fff1810, do_exec=3D0)
=C2=A0 =C2=A0 at loop.c:561
#8 =C2=A00x00005555= 555a0f3c in execcmd_exec (state=3D0x7fffffff1810,
=C2=A0 =C2=A0 eparams= =3D0x7fffffff1430, input=3D0, output=3D0, how=3D18, last1=3D2,
=C2=A0 = =C2=A0 close_if_forked=3D-1) at exec.c:3961
#9 =C2=A00x000055555559b041 = in execpline2 (state=3D0x7fffffff1810, pcode=3D20995,
=C2=A0 =C2=A0 how= =3D18, input=3D0, output=3D0, last1=3D0) at exec.c:1957
#10 0x0000555555= 599bfa in execpline (state=3D0x7fffffff1810, slcode=3D1342466,
=C2=A0 = =C2=A0 how=3D18, last1=3D0) at exec.c:1687
#11 0x0000555555598eac in exe= clist (state=3D0x7fffffff1810, dont_change_job=3D1,
=C2=A0 =C2=A0 exiti= ng=3D0) at exec.c:1442
#12 0x00005555555984d0 in execode (p=3D0x5555557e= a7b0, dont_change_job=3D1,
=C2=A0 =C2=A0 exiting=3D0, context=3D0x55555= 56d3faa "loadautofunc") at exec.c:1219
#13 0x00005555555a52f4 = in execautofn_basic (state=3D0x7fffffff20f0, do_exec=3D0)
=C2=A0 =C2=A0 = at exec.c:5528
#14 0x00005555555a0eff in execcmd_exec (state=3D0x7ffffff= f20f0,
=C2=A0 =C2=A0 eparams=3D0x7fffffff1d10, input=3D0, output=3D0, h= ow=3D18, last1=3D2,
=C2=A0 =C2=A0 close_if_forked=3D-1) at exec.c:3959<= br>#15 0x000055555559b041 in execpline2 (state=3D0x7fffffff20f0, pcode=3D3,= how=3D18,
=C2=A0 =C2=A0 input=3D0, output=3D0, last1=3D0) at exec.c:19= 57
#16 0x0000555555599bfa in execpline (state=3D0x7fffffff20f0, slcode= =3D3074,
=C2=A0 =C2=A0 how=3D18, last1=3D0) at exec.c:1687
#17 0x000= 0555555598eac in execlist (state=3D0x7fffffff20f0, dont_change_job=3D1, =C2=A0 =C2=A0 exiting=3D0) at exec.c:1442
#18 0x00005555555984d0 in exe= code (p=3D0x5555557a8900, dont_change_job=3D1,
=C2=A0 =C2=A0 exiting=3D= 0, context=3D0x5555556d412a "shfunc") at exec.c:1219
#19 0x000= 05555555a6d29 in runshfunc (prog=3D0x5555557a8900, wrap=3D0x0,
=C2=A0 = =C2=A0 name=3D0x7ffff7613168 "_arguments") at exec.c:6063
#20 0x000055555566b6d0 in comp_wrapper (prog=3D0x5555557a8900, w=3D0x0, =
=C2=A0 =C2=A0 name=3D0x7ffff7613168 "_arguments") at complete= .c:1588
#21 0x00005555555a6b12 in runshfunc (prog=3D0x5555557a8900,
= =C2=A0 =C2=A0 wrap=3D0x5555557134a0 <wrapper>, name=3D0x7ffff7613168 = "_arguments")
=C2=A0 =C2=A0 at exec.c:6047
#22 0x0000555555= 5a62e6 in doshfunc (shfunc=3D0x5555557a7fb0,
=C2=A0 =C2=A0 doshargs=3D0= x7ffff761e050, noreturnval=3D0) at exec.c:5913
#23 0x00005555555a5085 in= execshfunc (shf=3D0x5555557a7fb0, args=3D0x7ffff761e050)
=C2=A0 =C2=A0 = at exec.c:5482
#24 0x00005555555a113f in execcmd_exec (state=3D0x7ffffff= f2ff0,
=C2=A0 =C2=A0 eparams=3D0x7fffffff2c10, input=3D0, output=3D0, h= ow=3D18, last1=3D2,
=C2=A0 =C2=A0 close_if_forked=3D-1) at exec.c:4012<= br>#25 0x000055555559b041 in execpline2 (state=3D0x7fffffff2ff0, pcode=3D13= 379,
=C2=A0 =C2=A0 how=3D18, input=3D0, output=3D0, last1=3D0) at exec.= c:1957
#26 0x0000555555599bfa in execpline (state=3D0x7fffffff2ff0, slco= de=3D7170,
=C2=A0 =C2=A0 how=3D18, last1=3D0) at exec.c:1687
#27 0x0= 000555555598eac in execlist (state=3D0x7fffffff2ff0, dont_change_job=3D1, <= br>=C2=A0 =C2=A0 exiting=3D0) at exec.c:1442
#28 0x00005555555984d0 in e= xecode (p=3D0x5555557ab7b0, dont_change_job=3D1,
=C2=A0 =C2=A0 exiting= =3D0, context=3D0x5555556d3faa "loadautofunc") at exec.c:1219
= #29 0x00005555555a52f4 in execautofn_basic (state=3D0x7fffffff38d0, do_exec= =3D0)
=C2=A0 =C2=A0 at exec.c:5528
#30 0x00005555555a0eff in execcmd_= exec (state=3D0x7fffffff38d0,
=C2=A0 =C2=A0 eparams=3D0x7fffffff34f0, i= nput=3D0, output=3D0, how=3D18, last1=3D2,
=C2=A0 =C2=A0 close_if_forke= d=3D-1) at exec.c:3959
#31 0x000055555559b041 in execpline2 (state=3D0x7= fffffff38d0, pcode=3D3, how=3D18,
=C2=A0 =C2=A0 input=3D0, output=3D0, = last1=3D0) at exec.c:1957
#32 0x0000555555599bfa in execpline (state=3D0= x7fffffff38d0, slcode=3D3074,
=C2=A0 =C2=A0 how=3D18, last1=3D0) at exe= c.c:1687
#33 0x0000555555598eac in execlist (state=3D0x7fffffff38d0, don= t_change_job=3D1,
=C2=A0 =C2=A0 exiting=3D0) at exec.c:1442
#34 0x00= 005555555984d0 in execode (p=3D0x5555557fb5f0, dont_change_job=3D1,
=C2= =A0 =C2=A0 exiting=3D0, context=3D0x5555556d412a "shfunc") at exe= c.c:1219
#35 0x00005555555a6d29 in runshfunc (prog=3D0x5555557fb5f0, wra= p=3D0x0,
=C2=A0 =C2=A0 name=3D0x7ffff761b168 "_ls") at exec.c= :6063
#36 0x000055555566b6d0 in comp_wrapper (prog=3D0x5555557fb5f0, w= =3D0x0,
=C2=A0 =C2=A0 name=3D0x7ffff761b168 "_ls") at complet= e.c:1588
--00000000000021954c05d334c876--