================================================================= ==9522== ERROR: AddressSanitizer: heap-use-after-free on address 0x604600049418 at pc 0x919b9d bp 0x7fff9137a510 sp 0x7fff9137a508 READ of size 8 at 0x604600049418 thread T0 #0 0x919b9c in Ms::Score::parentScore() const /home/antonio/MuseScore/libmscore/score.h:850 #1 0x11b5c81 in Ms::Score::rootScore() const /home/antonio/MuseScore/libmscore/score.cpp:1835 #2 0x11b5d9b in Ms::Score::sigmap() const /home/antonio/MuseScore/libmscore/score.cpp:1882 #3 0xcd753a in Ms::Ruler::pix2pos(int) const /home/antonio/MuseScore/mscore/ruler.cpp:177 #4 0xcd790a in Ms::Ruler::paintEvent(QPaintEvent*) /home/antonio/MuseScore/mscore/ruler.cpp:219 #5 0x7f13428bf80f in ?? ??:0 #6 0x7f1342888b53 in ?? ??:0 #7 0x7f134288bfe5 in ?? ??:0 #8 0x7f134464bdd3 in ?? ??:0 #9 0x7f13428bc6ea in ?? ??:0 #10 0x7f13428bd433 in ?? ??:0 #11 0x7f13428bd1ce in ?? ??:0 #12 0x7f13428bd1ce in ?? ??:0 #13 0x7f13428bc4ed in ?? ??:0 #14 0x7f13428bd433 in ?? ??:0 #15 0x7f13428bc4ed in ?? ??:0 #16 0x7f1342894d98 in ?? ??:0 #17 0x7f13428b47dd in ?? ??:0 #18 0x7f13428bfbde in ?? ??:0 #19 0x7f13429dc86a in ?? ??:0 #20 0x7f1342888b53 in ?? ??:0 #21 0x7f134288bfe5 in ?? ??:0 #22 0x7f134464bdd3 in ?? ??:0 #23 0x7f134464e688 in ?? ??:0 #24 0x7f1344695ed2 in ?? ??:0 #25 0x7f133c8a1d52 in ?? ??:0 #26 0x7f133c8a209f in ?? ??:0 #27 0x7f133c8a2163 in ?? ??:0 #28 0x7f1344696313 in ?? ??:0 #29 0x7f134464ab6a in ?? ??:0 #30 0x7f134464ebbd in ?? ??:0 #31 0xacae77 in main /home/antonio/MuseScore/mscore/musescore.cpp:4916 #32 0x7f133e26576c in __libc_start_main /build/buildd/eglibc-2.15/csu/libc-start.c:226 #33 0x8a5648 in _start ??:0 0x604600049418 is located 24 bytes inside of 1200-byte region [0x604600049400,0x6046000498b0) freed by thread T0 here: #0 0x7f13451e9b1a in ?? ??:0 #1 0x11acc17 in Ms::Score::~Score() /home/antonio/MuseScore/libmscore/score.cpp:423 #2 0xab02d8 in Ms::MuseScore::removeTab(int) /home/antonio/MuseScore/mscore/musescore.cpp:1953 #3 0x8aa380 in Ms::MuseScore::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) /home/antonio/MuseScore/build.debug/mscore/moc_musescore.cpp:782 #4 0x7f1344673260 in ?? ??:0 previously allocated by thread T0 here: #0 0x7f13451e995a in ?? ??:0 #1 0xdd734a in Ms::MuseScore::readScore(QString const&) /home/antonio/MuseScore/mscore/file.cpp:311 #2 0xab16a3 in Ms::loadScores(QStringList const&) /home/antonio/MuseScore/mscore/musescore.cpp:2046 #3 0xacac8b in main /home/antonio/MuseScore/mscore/musescore.cpp:4885 #4 0x7f133e26576c in __libc_start_main /build/buildd/eglibc-2.15/csu/libc-start.c:226 Shadow bytes around the buggy address: 0x0c0940001230: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0c0940001240: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0c0940001250: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0c0940001260: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0c0940001270: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa =>0x0c0940001280: fd fd fd[fd]fd fd fd fd fd fd fd fd fd fd fd fd 0x0c0940001290: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0c09400012a0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0c09400012b0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0c09400012c0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0c09400012d0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Heap righ redzone: fb Freed Heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack partial redzone: f4 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 ASan internal: fe ==9522== ABORTING