[Bug 1635812] Re: atril-thumbnailer crashed with SIGSEGV in cmsGetColorSpace()

[Vlad Orlov]

BTW, the patch is finally accepted upstream, it's available in poppler
0.50 (though neither Debian nor Ubuntu picked that version yet). There's
a correction for this patch as well in the repo.

Patch:
https://cgit.freedesktop.org/poppler/poppler/commit/?id=9b016440725de086fa87fcbf776e27acee2c01b7

Correction:
https://cgit.freedesktop.org/poppler/poppler/commit/?id=1511523450f40b539fb1d58950a907f3712fd5c7

Looks like it does no harm, so maybe that correction should be added to
Ubuntu patches as well.

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Title:
  atril-thumbnailer crashed with SIGSEGV in cmsGetColorSpace()

Status in Poppler:
  Unknown
Status in poppler package in Ubuntu:
  Fix Released

Bug description:
  atril-thumbnailer crashed with SIGSEGV in cmsGetColorSpace()

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: atril 1.12.2-1
  ProcVersionSignature: Ubuntu 4.4.0-45.66-generic 4.4.21
  Uname: Linux 4.4.0-45-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: MATE
  Date: Sat Oct 22 09:43:08 2016
  ExecutablePath: /usr/bin/atril-thumbnailer
  InstallationDate: Installed on 2016-05-14 (160 days ago)
  InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  ProcCmdline: atril-thumbnailer -s 128 file:///home/username/Documents/jedi_complaint.pdf /tmp/.mate_desktop_thumbnail.8JDPPY
  SegvAnalysis:
   Segfault happened at: 0x7fdcb0258990 <cmsGetColorSpace>:	mov    0x50(%rdi),%eax
   PC (0x7fdcb0258990) ok
   source "0x50(%rdi)" (0x00000050) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: atril
  StacktraceTop:
   cmsGetColorSpace () from /usr/lib/x86_64-linux-gnu/liblcms2.so.2
   GfxICCBasedColorSpace::parse(Array*, OutputDev*, GfxState*, int) () from /usr/lib/x86_64-linux-gnu/libpoppler.so.58
   GfxColorSpace::parse(GfxResources*, Object*, OutputDev*, GfxState*, int) () from /usr/lib/x86_64-linux-gnu/libpoppler.so.58
   Page::loadThumb(unsigned char**, int*, int*, int*) () from /usr/lib/x86_64-linux-gnu/libpoppler.so.58
   poppler_page_get_thumbnail () from /usr/lib/x86_64-linux-gnu/libpoppler-glib.so.8
  Title: atril-thumbnailer crashed with SIGSEGV in cmsGetColorSpace()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo wireshark

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