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Date: Tue, 15 Mar 2022 08:46:16 +0100
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To: zsh-users@zsh.org
From: =?UTF-8?Q?Johan_Str=c3=b6m?= <johan@stromnet.se>
Subject: crash: free invalid next size (fast)
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Hi,

today noticed that several of my terminals crashed and closed when=20
writing `git <tab>` or `ls <tab>`. Managed to capture one such crash on=20
video before terminal closed, and it printed "free invalid next size=20
(fast)".

 From coredumpctl:

 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 PID: 843836=
 (zsh)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 UID: 1000 (=
johan)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 GID: 1001 (=
johan)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Signal: 6 (ABRT)
 =C2=A0=C2=A0=C2=A0=C2=A0 Timestamp: Tue 2022-03-15 08:30:03 CET (10min a=
go)
 =C2=A0 Command Line: /usr/bin/zsh
 =C2=A0=C2=A0=C2=A0 Executable: /usr/bin/zsh
 =C2=A0Control Group: /user.slice/user-1000.slice/session-1.scope
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Unit: session-1.s=
cope
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Slice: user-1000.slice
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Session: 1
 =C2=A0=C2=A0=C2=A0=C2=A0 Owner UID: 1000 (johan)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Boot ID: 0d395e288d454f299469959632=
c8080a
 =C2=A0=C2=A0=C2=A0 Machine ID: 321bfe907bef49b9a7b0d61fc2ee69c7
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Hostname: johan-amd
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Storage:=20
/var/lib/systemd/coredump/core.zsh.1000.0d395e288d454f299469959632c8080a.=
843836.1647329403000000.zst=20
(present)
 =C2=A0=C2=A0=C2=A0=C2=A0 Disk Size: 527.7K
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Message: Process 843836 (zsh) of us=
er 1000 dumped core.

 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module linux-vdso.so.1 with build-id=20
2f0b6fabb476bcc334f291e50364511afda88a31
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module computil.so with build-id=20
f0893e4d73f81c9998e397f2e929c232f5a9f744
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module rlimits.so with build-id=20
20663780de7a882ac790cf84a751c360846b3a5e
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module stat.so with build-id=20
da1132260e12b24966c7c00b663c0ae57938f2ee
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module parameter.so with build-id=20
2538dfbe08e43494407c7a571814d850372390e8
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module zutil.so with build-id=20
ab6e10296c75aea4d8b9a1ff3ca462537c3bf53e
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module complete.so with build-id=20
2574a83c1ff166c5b421ba99b7ce86680e96490c
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module zle.so with build-id=20
b775b6da8502c5d43a488f1a83512e3e992ea5fb
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module ld-linux-x86-64.so.2 with build-id=20
c09c6f50f6bcec73c64a0b4be77eadb8f7202410
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module libc.so.6 with build-id=20
85766e9d8458b16e9c7ce6e07c712c02b8471dbc
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module libm.so.6 with build-id=20
596b63a006a4386dcab30912d2b54a7a61827b07
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module libncursesw.so.6 with build-id=20
1f873ddb2c32ab39d0b7d8646d03680ffe99de7c
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module libdl.so.2 with build-id=20
bb9bd2657bfba9f60bd34d2050cc63a7eb024bc4
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module libcap.so.2 with build-id=20
eb6dae97527fc89dbb0d5bb581a15acd02ae9f56
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Module zsh with build-id=20
b15fffaf722293c62cc1c599621d6016c52f710e
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Stack trace of thread 843836:
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #0=C2=A0 0x00007f36842e534c __pthread_kill_implementat=
ion=20
(libc.so.6 + 0x8f34c)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #1=C2=A0 0x00007f36842984b8 raise (libc.so.6 + 0x424b8=
)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #2=C2=A0 0x00007f3684282534 abort (libc.so.6 + 0x2c534=
)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #3=C2=A0 0x00007f36842d9397 __libc_message (libc.so.6 =
+ 0x83397)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #4=C2=A0 0x00007f36842ef33c malloc_printerr (libc.so.6=
 +=20
0x9933c)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #5=C2=A0 0x00007f36842f104d _int_free (libc.so.6 + 0x9=
b04d)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #6=C2=A0 0x00007f36842f3be3 free (libc.so.6 + 0x9dbe3)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #7=C2=A0 0x00007f36839ffa7f unmetafy_line (zle.so + 0x=
33a7f)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #8=C2=A0 0x00007f3683a0427a n/a (zle.so + 0x3827a)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #9=C2=A0 0x00007f36839fcc34 completecall (zle.so + 0x3=
0c34)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #10 0x00007f36839ea74b execzlefunc (zle.so + 0x1e74b)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #11 0x00007f36839ec83c zlecore (zle.so + 0x2083c)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #12 0x00007f36839ed587 zleread (zle.so + 0x21587)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #13 0x000055850ef988a3 zleentry (zsh + 0x6b8a3)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #14 0x000055850ef991ad ingetc (zsh + 0x6c1ad)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #15 0x000055850ef8ba94 n/a (zsh + 0x5ea94)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #16 0x000055850efa74cf n/a (zsh + 0x7a4cf)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #17 0x000055850efcbf88 parse_event (zsh + 0x9ef88)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #18 0x000055850ef91c4e loop (zsh + 0x64c4e)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #19 0x000055850ef9aa35 zsh_main (zsh + 0x6da35)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #20 0x000055850ef440ee main (zsh + 0x170ee)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #21 0x00007f3684283310 __libc_start_call_main=20
(libc.so.6 + 0x2d310)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #22 0x00007f36842833c1 __libc_start_main@@GLIBC_2.34=20
(libc.so.6 + 0x2d3c1)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 #23 0x000055850ef4411e _start (zsh + 0x1711e)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 ELF object binary architecture: AMD x86-64
Refusing to dump core to tty (use shell redirection or specify --output).

These terminals have been running for ~5 days.
On newly opened terminals, tab completion works fine.

OS: Arch Linux 5.16.13-arch1-1
Package: zsh 5.8.1-1

Have had 5.8-1 on this machine since July, never had any issues. 5.8.1-1=20
installed on 16 Feb.


zshrc completion-related stuff:


# The following lines were added by compinstall
zstyle ':completion:*' completer _expand _complete _correct _approximate
zstyle ':completion:*' max-errors 1
zstyle :compinstall filename '/home/johan/.zshrc'

autoload -Uz compinit
compinit
# End of lines added by compinstall

# Enable proper expansion of ..<tab>
zstyle ':completion:*' special-dirs true

setopt HIST_IGNORE_DUPS
setopt HIST_FIND_NO_DUPS


The rest are mostly exports.

Not subscriber to list, so please CC in reply.

Thanks for zsh!

Johan