[Bug 1788528] [NEW] krunner crashed with SIGSEGV in tcache_get()

[Alexander Browne]

Public bug reported:

Krunner crash message appeared. I don't remember doing anything recently
with it other than use it to open apps.

ProblemType: Crash
DistroRelease: Ubuntu 18.10
Package: plasma-workspace 4:5.13.4-0ubuntu1
ProcVersionSignature: Ubuntu 4.17.0-7.8-generic 4.17.12
Uname: Linux 4.17.0-7-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.10-0ubuntu7
Architecture: amd64
CurrentDesktop: KDE
Date: Wed Aug 22 18:30:35 2018
ExecutablePath: /usr/bin/krunner
InstallationDate: Installed on 2018-08-18 (4 days ago)
InstallationMedia: Kubuntu 18.10 "Cosmic Cuttlefish" - Alpha amd64 (20180818)
ProcCmdline: /usr/bin/krunner
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f1ece0aa93c <malloc_consolidate+44>:	mov    0x8(%rax),%rsi
 PC (0x7f1ece0aa93c) ok
 source "0x8(%rax)" (0x55710eb2a239) not located in a known VMA region (needed readable region)!
 destination "%rsi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: plasma-workspace
StacktraceTop:
 tcache_get (tc_idx=0) at malloc.c:2943
 __GI___libc_malloc (bytes=24) at malloc.c:3050
 QArrayData::allocate(unsigned long, unsigned long, unsigned long, QFlags<QArrayData::AllocationOption>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
 QByteArray::fromRawData(char const*, int) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
 ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
Title: krunner crashed with SIGSEGV in tcache_get()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

** Affects: plasma-workspace (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-crash cosmic need-amd64-retrace

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/1788528

Title:
  krunner crashed with SIGSEGV in tcache_get()

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