https://bugs.kde.org/show_bug.cgi?id=516584

TraceyC <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDSINFO                   |REPORTED
         Resolution|BACKTRACE                   |---

--- Comment #3 from TraceyC <[email protected]> ---
Searchable backtrace


Thread 32 "KIO::WorkerThre" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff8bfff6c0 (LWP 45306)]
0x00007ffff47de63c in QMimeDatabasePrivate::findByData(QByteArray const&, int*)
[clone .constprop.0] (
    this=0x7ffff4834500
<_ZZN13QGlobalStaticIN14QtGlobalStatic6HolderIN12_GLOBAL__N_125Q_QGS_staticQMimeDatabaseEEEE8instanceEvE6holder.lto_priv.0>,
data=..., accuracyPtr=0x7fff8bffdf64)
    at /workspace/build/src/corelib/mimetypes/qmimedatabase.cpp:347
warning: 347    /workspace/build/src/corelib/mimetypes/qmimedatabase.cpp: No
such file or directory

(gdb) info threads
  Id   Target Id                                           Frame
  1    Thread 0x7fffeba95540 (LWP 45270) "gwenview"        _dl_close_worker
(map=<optimized out>, map@entry=0x555555833e70, force=force@entry=false) at
./elf/dl-close.c:741
* 32   Thread 0x7fff8bfff6c0 (LWP 45306) "KIO::WorkerThre" 0x00007ffff47de63c
in QMimeDatabasePrivate::findByData(QByteArray const&, int*) [clone
.constprop.0] (
    this=0x7ffff4834500
<_ZZN13QGlobalStaticIN14QtGlobalStatic6HolderIN12_GLOBAL__N_125Q_QGS_staticQMimeDatabaseEEEE8instanceEvE6holder.lto_priv.0>,
data=..., accuracyPtr=0x7fff8bffdf64)
    at /workspace/build/src/corelib/mimetypes/qmimedatabase.cpp:347

(gdb) bt
#0  0x00007ffff47de63c in QMimeDatabasePrivate::findByData(QByteArray const&,
int*) [clone .constprop.0]
    (this=0x7ffff4834500
<_ZZN13QGlobalStaticIN14QtGlobalStatic6HolderIN12_GLOBAL__N_125Q_QGS_staticQMimeDatabaseEEEE8instanceEvE6holder.lto_priv.0>,
data=..., accuracyPtr=0x7fff8bffdf64)
    at /workspace/build/src/corelib/mimetypes/qmimedatabase.cpp:347
#1  0x00007ffff44bfab4 in operator() (__closure=__closure@entry=0x7fff8bffe060,
device=device@entry=0x7fff8bffe000) at
/workspace/build/src/corelib/mimetypes/qmimedatabase.cpp:392
#2  0x00007ffff44bfd70 in QMimeDatabasePrivate::mimeTypeForFileNameAndData
    (this=this@entry=0x7ffff4834500
<_ZZN13QGlobalStaticIN14QtGlobalStatic6HolderIN12_GLOBAL__N_125Q_QGS_staticQMimeDatabaseEEEE8instanceEvE6holder.lto_priv.0>,
fileName=..., device=device@entry=0x0)
    at /workspace/build/src/corelib/mimetypes/qmimedatabase.cpp:428
#3  0x00007ffff44bff5e in QMimeDatabasePrivate::mimeTypeForFile
    (this=0x7ffff4834500
<_ZZN13QGlobalStaticIN14QtGlobalStatic6HolderIN12_GLOBAL__N_125Q_QGS_staticQMimeDatabaseEEEE8instanceEvE6holder.lto_priv.0>,
fileName=..., fileInfo=..., mode=mode@entry=QMimeDatabase::MatchDefault)
    at /workspace/build/src/corelib/mimetypes/qmimedatabase.cpp:497
#4  0x00007ffff44c0500 in QMimeDatabase::mimeTypeForFile (this=0x7fff8bffe2b8,
fileName=..., mode=QMimeDatabase::MatchDefault) at
/workspace/build/src/corelib/mimetypes/qmimedatabase.cpp:651
#5  0x00007fffa858df8b in createUDSEntry (filename=..., path=..., entry=...,
details=..., fullPath=...) at
/workspace/build/src/kioworkers/file/file_unix.cpp:289
#6  0x00007fffa8591112 in FileProtocol::listDir (this=0x7fff80001360, url=...)
at /workspace/build/src/kioworkers/file/file_unix.cpp:849
#7  0x00007ffff6d05ff6 in KIO::WorkerSlaveBaseBridge::listDir
(this=0x7fff80001420, url=...) at /workspace/build/src/core/workerbase_p.h:121
#8  0x00007ffff6cfc843 in KIO::SlaveBase::dispatch (this=0x7fff80001420,
command=71, data=...) at /workspace/build/src/core/slavebase.cpp:1177
#9  0x00007ffff6cf738d in KIO::SlaveBase::dispatchLoop (this=0x7fff80001420) at
/workspace/build/src/core/slavebase.cpp:330
#10 0x00007ffff6e16e01 in KIO::WorkerThread::run (this=0x55555665a300) at
/workspace/build/src/core/workerthread.cpp:47
#11 0x00007ffff45d1937 in operator() (__closure=<optimized out>) at
/workspace/build/src/corelib/thread/qthread_unix.cpp:448
#12 (anonymous
namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> >
(t=<optimized out>) at /workspace/build/src/corelib/thread/qthread_unix.cpp:373
#13 QThreadPrivate::start (arg=0x55555665a300) at
/workspace/build/src/corelib/thread/qthread_unix.cpp:422
#14 0x00007ffff3a9caa4 in start_thread (arg=<optimized out>) at
./nptl/pthread_create.c:447
#15 0x00007ffff3b29c6c in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

(gdb) thread 1
[Switching to thread 1 (Thread 0x7fffeba95540 (LWP 45270))]
#0  _dl_close_worker (map=<optimized out>, map@entry=0x555555833e70,
force=force@entry=false) at ./elf/dl-close.c:741
warning: 741    ./elf/dl-close.c: No such file or directory

(gdb) bt
#0  _dl_close_worker (map=<optimized out>, map@entry=0x555555833e70,
force=force@entry=false) at ./elf/dl-close.c:741
#1  0x00007ffff7fc77be in _dl_close_worker (force=false, map=0x555555833e70) at
./elf/dl-close.c:120
#2  _dl_close (_map=0x555555833e70) at ./elf/dl-close.c:793
#3  0x00007ffff7fc651c in __GI__dl_catch_exception
(exception=exception@entry=0x7fffffffc8c0, operate=0x7ffff7fc7750 <_dl_close>,
args=0x555555833e70) at ./elf/dl-catch.c:237
#4  0x00007ffff7fc6669 in _dl_catch_error (objname=0x7fffffffc928,
errstring=0x7fffffffc930, mallocedp=0x7fffffffc927, operate=<optimized out>,
args=<optimized out>) at ./elf/dl-catch.c:256
#5  0x00007ffff3a97c83 in _dlerror_run (operate=<optimized out>,
args=<optimized out>) at ./dlfcn/dlerror.c:138
#6  0x00007ffff3a979b6 in __dlclose (handle=<optimized out>) at
./dlfcn/dlclose.c:31
#7  0x00007ffff54fbc5a in ??? () at /lib/x86_64-linux-gnu/libEGL.so.1
#8  0x00007ffff7fc60f2 in _dl_call_fini
(closure_map=closure_map@entry=0x7ffff6f4e830) at ./elf/dl-call_fini.c:43
#9  0x00007ffff7fca578 in _dl_fini () at ./elf/dl-fini.c:114
#10 0x00007ffff3a47a76 in __run_exit_handlers (status=0, listp=<optimized out>,
run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at
./stdlib/exit.c:108
#11 0x00007ffff3a47bbe in __GI_exit (status=<optimized out>) at
./stdlib/exit.c:138
#12 0x00007ffff3a2a1d1 in __libc_start_call_main
(main=main@entry=0x5555556083b3 <main(int, char**)>, argc=argc@entry=2,
argv=argv@entry=0x7fffffffd4f8) at ../sysdeps/nptl/libc_start_call_main.h:74
#13 0x00007ffff3a2a28b in __libc_start_main_impl (main=0x5555556083b3
<main(int, char**)>, argc=2, argv=0x7fffffffd4f8, init=<optimized out>,
fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffd4e8)
    at ../csu/libc-start.c:360
#14 0x000055555559cbe5 in _start ()

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