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  1. MariaDB Server
  2. MDEV-26271

Crashes in net_field_length since commit 295f3e4cfb4a8f132f36d53475efc92f2487aa97

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Not a Bug
    • Affects Version/s: 10.6.3
    • Fix Version/s: N/A
    • Component/s: libmariadb
    • Labels:
    • Environment:
      Linux x86_64

      Description

      Since commit 295f3e4cfb4a8f132f, mariadb crashes (and has severe performance issues) when scanning the DigiKam database. The initial scan (with ~5000 pics) used to take <1 second with MariaDB 10.5, now it takes 10 seconds to reach 10% and then crashes

      (gdb) bt
      #0  net_field_length (packet=packet@entry=0x7fffffffd1c8) at /usr/src/debug/server/libmariadb/libmariadb/mariadb_lib.c:296
      #1  0x00007fff6749d6dc in ps_fetch_string (r_param=0x55555b44b988, field=<optimized out>, row=0x7fffffffd1c8)
          at /usr/src/debug/server/libmariadb/libmariadb/ma_stmt_codec.c:1195
      #2  0x00007fff67497ca7 in mthd_stmt_fetch_to_bind (stmt=0x55555b3d0a90, row=<optimized out>)
          at /usr/src/debug/server/libmariadb/libmariadb/mariadb_stmt.c:423
      #3  0x00007fff674997b7 in mysql_stmt_fetch (stmt=0x55555b3d0a90) at /usr/src/debug/server/libmariadb/libmariadb/mariadb_stmt.c:1463
      #4  0x00007fff840192ed in  () at /usr/lib/qt/plugins/sqldrivers/libqsqlmysql.so
      #5  0x00007ffff70c1819 in Digikam::BdEngineBackend::readToList(Digikam::DbEngineSqlQuery&) () at /usr/lib/libdigikamcore.so.7.3.0
      #6  0x00007ffff70c1942 in Digikam::BdEngineBackend::handleQueryResult(Digikam::DbEngineSqlQuery&, QList<QVariant>*, QVariant*) ()
          at /usr/lib/libdigikamcore.so.7.3.0
      #7  0x00007ffff70c305b in Digikam::BdEngineBackend::execSql(QString const&, QVariant const&, QList<QVariant>*, QVariant*) ()
          at /usr/lib/libdigikamcore.so.7.3.0
      #8  0x00007ffff756f835 in Digikam::CoreDB::getItemPosition(long long, QFlags<Digikam::DatabaseFields::ItemPositionsField>) const ()
          at /usr/lib/libdigikamdatabase.so.7.3.0
      #9  0x00007ffff75e7312 in  () at /usr/lib/libdigikamdatabase.so.7.3.0
      #10 0x00007ffff75e7a3c in Digikam::ItemPosition::ItemPosition(long long) () at /usr/lib/libdigikamdatabase.so.7.3.0
      #11 0x00007ffff75d011c in Digikam::ItemInfo::imagePosition() const () at /usr/lib/libdigikamdatabase.so.7.3.0
      #12 0x00007ffff75d0432 in Digikam::ItemInfo::hasCoordinates() const () at /usr/lib/libdigikamdatabase.so.7.3.0
      #13 0x00007ffff7d48e2c in  () at /usr/lib/libdigikamgui.so.7.3.0
      #14 0x00007ffff55774ff in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
      #15 0x00007ffff601ed62 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
      #16 0x00007ffff554a3aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
      #17 0x00007ffff554d4a9 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
      #18 0x00007ffff55a39a4 in  () at /usr/lib/libQt5Core.so.5
      #19 0x00007fffe449210c in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
      --Type <RET> for more, q to quit, c to continue without paging--
      #20 0x00007fffe44e5b99 in  () at /usr/lib/libglib-2.0.so.0
      #21 0x00007fffe448f871 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
      #22 0x00007ffff55a2fd6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
      #23 0x00007ffff5548d1c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
      #24 0x00007ffff7a3afea in Digikam::ScanController::completeCollectionScanCore(bool, bool) () at /usr/lib/libdigikamgui.so.7.3.0
      #25 0x00007ffff7bcc4e9 in Digikam::NewItemsFinder::slotStart() () at /usr/lib/libdigikamgui.so.7.3.0
      #26 0x00007ffff55774ff in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
      #27 0x00007ffff601ed62 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
      #28 0x00007ffff554a3aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
      #29 0x00007ffff554d4a9 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
      #30 0x00007ffff55a39a4 in  () at /usr/lib/libQt5Core.so.5
      #31 0x00007fffe449210c in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
      #32 0x00007fffe44e5b99 in  () at /usr/lib/libglib-2.0.so.0
      #33 0x00007fffe448f871 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
      #34 0x00007ffff55a2fd6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
      #35 0x00007ffff5548d1c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
      #36 0x00007ffff623325e in QDialog::exec() () at /usr/lib/libQt5Widgets.so.5
      #37 0x00007ffff70498e3 in Digikam::FilesDownloader::startDownload() () at /usr/lib/libdigikamcore.so.7.3.0
      #38 0x000055555555a71b in  ()
      #39 0x00007ffff4eb9b25 in __libc_start_main () at /usr/lib/libc.so.6
      #40 0x000055555555bece in _start ()
      

      Downstream report: https://bugs.kde.org/show_bug.cgi?id=440296

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              Assignee:
              georg Georg Richter
              Reporter:
              arojas Antonio Rojas
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                Dates

                Created:
                Updated:
                Resolved:

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