[Bug 1865300] Re: gnome-shell-hotplug-sniffer crashed with SIGSEGV in g_str_hash() from g_hash_table_lookup() from deep_count_more_files_callback()

[Launchpad Bug Tracker]

This bug was fixed in the package gnome-shell - 3.36.3-1ubuntu2

---------------
gnome-shell (3.36.3-1ubuntu2) groovy; urgency=medium

  * d/p/shell-mime-sniffer-Ignore-invalid-file-content-type.patch:
    - gnome-shell-sniffer, don't crash when opening files with invalid content
      type (LP: #1865300)

 -- Marco Trevisan (Treviño) <marco at ubuntu.com>  Fri, 05 Jun 2020
20:14:47 +0200

** Changed in: gnome-shell (Ubuntu)
       Status: Fix Committed => Fix Released

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Title:
  gnome-shell-hotplug-sniffer crashed with SIGSEGV in g_str_hash() from
  g_hash_table_lookup() from deep_count_more_files_callback()

Status in GNOME Shell:
  Unknown
Status in glib2.0 package in Ubuntu:
  Invalid
Status in gnome-shell package in Ubuntu:
  Fix Released
Status in gnome-shell source package in Focal:
  Fix Committed

Bug description:
  [ Impact ]

  gnome-shell-hotplug-sniffer crashes when attaching some device that
  may have files with unknown content type

  [ Test case ]

  - Plug a media, but it's not yet known which kind of files cause this issue,
    so we should just monitor the e.u.c crash:
    https://errors.ubuntu.com/problem/2edf29b9677e3de0d55d2114024f39c4c52b45e9

  [ Regression potential ]

  - No valid application for opening a media is shown by gnome-shell

  ---

  This is for 3.34:

  https://errors.ubuntu.com/problem/b6069e75f805530e3c7722835d567cfdb84f2fec

  ---

  Happened during normal use of the desktop.

  ProblemType: CrashDistroRelease: Ubuntu 20.04
  Package: gnome-shell 3.34.3-1ubuntu1
  ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
  Uname: Linux 5.4.0-14-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair wl
  ApportVersion: 2.20.11-0ubuntu18
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Feb 29 19:51:58 2020
  DisplayManager: gdm3
  ExecutablePath: /usr/lib/gnome-shell/gnome-shell-hotplug-sniffer
  InstallationDate: Installed on 2020-01-25 (35 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200117)
  ProcCmdline: /usr/lib/gnome-shell/gnome-shell-hotplug-sniffer
  RelatedPackageVersions: mutter-common 3.34.3-1ubuntu1
  SegvAnalysis:
   Segfault happened at: 0x7f5f54fa6444 <g_str_hash+4>:	movsbl (%rdi),%eax
   PC (0x7f5f54fa6444) ok
   source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11SourcePackage: gnome-shell
  StacktraceTop:
   g_str_hash () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
   g_hash_table_lookup () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
   ?? ()
   ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
   ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
  Title: gnome-shell-hotplug-sniffer crashed with SIGSEGV in g_str_hash()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip docker lpadmin lxd plugdev sambashare sudo
  separator:

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