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`verb=(--) declare -ax verb` causes an ENOTSOCK segfault


From: Wiley Young
Subject: `verb=(--) declare -ax verb` causes an ENOTSOCK segfault
Date: Thu, 15 Jun 2023 22:02:44 -0700

Configuration Information [Automatically generated, do not change]:
Machine: x86_64
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS: -O2 -flto=auto -ffat-lto-objects -fexceptions -g
-grecord-gcc-switches -pipe -Wall -Werror=format-security
-Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS
-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong
-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64  -mtune=generic
-fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection
-fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
uname output: Linux localhost-live 6.2.9-300.fc38.x86_64 #1 SMP
PREEMPT_DYNAMIC Thu Mar 30 22:32:58 UTC 2023 x86_64 GNU/Linux
Machine Type: x86_64-redhat-linux-gnu

Bash Version: 5.2
Patch Level: 15
Release Status: release

Description:
   `verb=(--) declare -ax verb` causes bash to crash and closes the active
terminal tab. strace output includes this error: "getpeername(0,
0x7ffc74d185d0, [16])    = -1 ENOTSOCK (Socket operation on non-socket)"

Repeat-By:
  Occurs every time. xfce4-terminal 1.0.4 on Fedora 38

Thank you, you wizards,
  Wiley


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