tracker-extract assert failure: *** Error in `/usr/lib/tracker/tracker-extract': free(): invalid pointer: 0x0000000001842a70 ***

[Laurent Bonnaud]

tracker-extract crashed while indexing my homedir, probably while processing some PDF file.

ProblemType: Crash
DistroRelease: Ubuntu 14.10
Package: tracker-extract 1.2.2-2ubuntu1~utopic1 [origin: LP-PPA-gnome3-team-gnome3-staging]
ProcVersionSignature: Ubuntu 3.16.0-23.30-generic 3.16.4
Uname: Linux 3.16.0-23-generic x86_64
ApportVersion: 2.14.7-0ubuntu7
Architecture: amd64
AssertionMessage: *** Error in `/usr/lib/tracker/tracker-extract': free(): invalid pointer: 0x0000000001842a70 ***
CurrentDesktop: KDE
Date: Mon Oct 20 14:17:49 2014
EcryptfsInUse: Yes
ExecutablePath: /usr/lib/tracker/tracker-extract
ProcCmdline: /usr/lib/tracker/tracker-extract
Signal: 6
SourcePackage: tracker
StacktraceTop:
 __libc_message (do_abort=do_abort@entry=3, fmt=fmt@entry=0x7f354faafa40 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
 malloc_printerr (ptr=<optimized out>, str=0x7f354faabb19 "free(): invalid pointer", action=3) at malloc.c:4996
 free_check (mem=<optimized out>, caller=<optimized out>) at hooks.c:298
 TextPage::getSelectionText (this=<optimized out>, selection=selection@entry=0x7fff4725d690, style=style@entry=selectionStyleGlyph) at TextOutputDev.cc:4762
 poppler_page_get_selected_text (page=page@entry=0x134fcc0, style=style@entry=POPPLER_SELECTION_GLYPH, selection=selection@entry=0x7fff4725d6e0) at poppler-page.cc:824
Title: tracker-extract assert failure: *** Error in `/usr/lib/tracker/tracker-extract': free(): invalid pointer: 0x0000000001842a70 ***
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm autopilot cdrom dip fuse libvirtd lpadmin plugdev sambashare staff sudo

[Ubuntu GNOME (ug-bot)]

StacktraceTop:
 __libc_message (do_abort=do_abort@entry=3, fmt=fmt@entry=0x7f354faafa40 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
 malloc_printerr (ptr=<optimized out>, str=0x7f354faabb19 "free(): invalid pointer", action=3) at malloc.c:4996
 free_check (mem=<optimized out>, caller=<optimized out>) at hooks.c:298
 TextSelectionDumper::takeWordList (this=0x4e9c, nLinesOut=0x4e9c) at TextOutputDev.cc:4178
 vtable for TextSelectionVisitor () from /home/darkxst/gnome3-amd64/usr/lib/x86_64-linux-gnu/libpoppler.so.46