atril crashed with SIGSEGV in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::size()

[David Kastrup]

Happened while atril was on a non-visible virtual xfce4 desktop, I think. Either that, or the apport popup took an inrodinately large time to appear.

ProblemType: Crash
DistroRelease: Ubuntu 24.04
Package: atril 1.26.0-2fakesync1
ProcVersionSignature: Ubuntu 6.5.0-10.10.1-lowlatency 6.5.3
Uname: Linux 6.5.0-10-lowlatency x86_64
ApportVersion: 2.27.0-0ubuntu6
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: XFCE
Date: Mon Nov 13 21:39:24 2023
ExecutablePath: /usr/bin/atril
InstallationDate: Installed on 2011-10-14 (4413 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111011)
JournalErrors: -- No entries --
ProcCmdline: atril /tmp/PDF.js\ viewer.pdf
SegvAnalysis:
 Segfault happened at: 0x7f76011d0204 <_ZNK10UnicodeMap5matchERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+4>: mov 0x8(%rdi),%rdx
 PC (0x7f76011d0204) ok
 source "0x8(%rdi)" (0x63696c6c71) not located in a known VMA region (needed readable region)!
 destination "%rdx" ok
 Stack memory exhausted (SP below stack segment)
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: atril
StacktraceTop:
 UnicodeMap::match(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const () at /lib/x86_64-linux-gnu/libpoppler.so.130
 GlobalParams::getUnicodeMap(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) () at /lib/x86_64-linux-gnu/libpoppler.so.130
 TextPage::coalesce(bool, double, bool, double) () at /lib/x86_64-linux-gnu/libpoppler.so.130
 TextOutputDev::endPage() () at /lib/x86_64-linux-gnu/libpoppler.so.130
 ??? () at /lib/x86_64-linux-gnu/libpoppler-glib.so.8
Title: atril crashed with SIGSEGV in UnicodeMap::match()
UpgradeStatus: Upgraded to noble on 2023-11-04 (9 days ago)
UserGroups: adm admin audio cdrom dialout fax floppy fuse lpadmin lxd netdev plugdev pulse-access sambashare video
separator:

[Apport retracing service (apport)]

StacktraceTop:
 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::size (this=<optimized out>, this=<optimized out>) at /usr/include/c++/13/bits/basic_string.h:1059
 std::operator==<char, std::char_traits<char>, std::allocator<char> > (__rhs=..., __lhs=...) at /usr/include/c++/13/bits/basic_string.h:3702
 UnicodeMap::match (this=0x63696c6c69, encodingNameA=...) at /usr/src/poppler-23.08.0-2ubuntu1/poppler/UnicodeMap.cc:233
 UnicodeMapCache::getUnicodeMap (encodingName=..., this=0x7f75ec003030) at /usr/src/poppler-23.08.0-2ubuntu1/poppler/UnicodeMap.cc:291
 GlobalParams::getUnicodeMap (encodingName=..., this=0x55ef74999070) at /usr/src/poppler-23.08.0-2ubuntu1/poppler/GlobalParams.cc:1342