[kde] [Bug 467101] New: Corrupted KCrash files appear in home directory

Thu Mar 9 09:53:41 GMT 2023

https://bugs.kde.org/show_bug.cgi?id=467101

            Bug ID: 467101
           Summary: Corrupted KCrash files appear in home directory
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Archlinux
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: ha51wl8j at anonaddy.me
  Target Milestone: ---

SUMMARY
Some time after updating to 5.27, a lot of files with corrupted filenames
appeared. Some of them only have corrupted symbols in them but most look like
this:

[KCrash]
exe=*corrupted characters*
appname=*corrupted characters*
apppath=*corrupted characters*
signal=11
pid=4365

When going into the DrKonqi intensive care application to look at crashed
processes, there are a lot of baloo_file_extractor entries. The time where it
crashed corresponds to the time where the corrupted file was created. 

STEPS TO REPRODUCE
I'm not really sure. It happened after updating to 5.27, just like in this
reddit post:
https://lr.mint.lgbt/r/kde/comments/116ss8x/files_with_strange_names_generated_in_home_after/?sort=new 
The issue of the poster is exactly the same as mine. 

OBSERVED RESULT
A lot of files with corrupted names in /home/

EXPECTED RESULT
No corrupted files in /home/ (baloo not crashing would also be great)

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 6.2.2-arch1-1 
KDE Plasma Version: 5.27.2
KDE Frameworks Version:  5.103.0
Qt Version: 5.15.8
KCrash version: kcrash-5.103.0-1
Baloo version: baloo-5.103.0-1

ADDITIONAL INFORMATION
In the comment of the previously mentioned post someone mentioned that not
doing an offline update might be the cause but at least for me, this issue is
still present even after multiple restarts and daily use.
There are the same kcrash files with corrupted entries in
"~/.cache/kcrash-metadata/", however in this case they have non corrupted
filenames (like 10020.ini). 
I'm not sure what exactly is causing this. In case it helps here is a backtrace
of the latest time /usr/lib/baloo_file_extractor crashed:
#0  __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:76
#1  0x00007f1473a72ba1 in __printf_buffer (buf=buf at entry=0x7ffd2da5dd40,
format=format at entry=0x7f1474cec176 "%s ", ap=ap at entry=0x7ffd2da5de40,
mode_flags=mode_flags at entry=2)
    at /usr/src/debug/glibc/glibc/stdio-common/vfprintf-process-arg.c:423
#2  0x00007f1473a7311a in __vfprintf_internal (s=0x7f1473bf24c0
<_IO_2_1_stderr_>, format=0x7f1474cec176 "%s ", ap=ap at entry=0x7ffd2da5de40,
mode_flags=2) at vfprintf-internal.c:1474
#3  0x00007f1473b2f1d3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized
out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007f1474ceb31a in fprintf (__fmt=0x7f1474cec176 "%s ",
__stream=<optimized out>) at /usr/include/bits/stdio2.h:79
#5  KCrash::defaultCrashHandler (sig=11) at
/usr/src/debug/kcrash/kcrash-5.103.0/src/kcrash.cpp:575
#6  <signal handler called>
#7  0x00007f1474e9e325 in wl_map_insert_at (map=map at entry=0x564715cfd8f0,
flags=flags at entry=1, i=23, data=<optimized out>) at
../wayland-1.21.0/src/wayland-util.c:276
#8  0x00007f1474e9e483 in proxy_destroy (proxy=proxy at entry=0x564715d59110) at
../wayland-1.21.0/src/wayland-client.c:510
#9  0x00007f1474ea0020 in wl_proxy_destroy_caller_locks (proxy=0x564715d59110)
at ../wayland-1.21.0/src/wayland-client.c:530
#10 wl_proxy_marshal_array_flags (proxy=proxy at entry=0x564715d59110,
opcode=opcode at entry=0, interface=interface at entry=0x0, version=version at entry=1,
flags=flags at entry=1, 
    args=args at entry=0x7ffd2da5ec20) at
../wayland-1.21.0/src/wayland-client.c:868
#11 0x00007f1474ea0afa in wl_proxy_marshal_flags (proxy=0x564715d59110,
opcode=0, interface=0x0, version=1, flags=1) at
../wayland-1.21.0/src/wayland-client.c:791
#12 0x00007f146e50d603 in org_kde_kwin_idle_timeout_release
(org_kde_kwin_idle_timeout=0x564715d59110)
    at
/usr/src/debug/kidletime/build/src/plugins/wayland/wayland-idle-client-protocol.h:208
#13 QtWayland::ext_idle_notification_v1::destroy (this=0x564715d46f10) at
/usr/src/debug/kidletime/build/src/plugins/wayland/qwayland-ext-idle-notify-v1.cpp:134
#14 IdleTimeoutExt::~IdleTimeoutExt (this=<optimized out>, this=<optimized
out>) at
/usr/src/debug/kidletime/kidletime-5.103.0/src/plugins/wayland/poller.cpp:77
#15 IdleTimeoutExt::~IdleTimeoutExt (this=<optimized out>, this=<optimized
out>) at
/usr/src/debug/kidletime/kidletime-5.103.0/src/plugins/wayland/poller.cpp:78
#16 0x00007f146e50d38b in QtSharedPointer::ExternalRefCountData::destroy
(this=0x564715d59250) at /usr/include/qt/QtCore/qsharedpointer_impl.h:149
#17 QSharedPointer<IdleTimeout>::deref (dd=0x564715d59250) at
/usr/include/qt/QtCore/qsharedpointer_impl.h:458
#18 QSharedPointer<IdleTimeout>::deref (dd=0x564715d59250) at
/usr/include/qt/QtCore/qsharedpointer_impl.h:454
#19 QSharedPointer<IdleTimeout>::deref (this=<optimized out>) at
/usr/include/qt/QtCore/qsharedpointer_impl.h:453
#20 QSharedPointer<IdleTimeout>::~QSharedPointer (this=<optimized out>,
this=<optimized out>) at /usr/include/qt/QtCore/qsharedpointer_impl.h:310
#21 QHashNode<int, QSharedPointer<IdleTimeout> >::~QHashNode (this=<optimized
out>, this=<optimized out>) at /usr/include/qt/QtCore/qhash.h:147
#22 QHash<int, QSharedPointer<IdleTimeout> >::deleteNode2 (node=<optimized
out>) at /usr/include/qt/QtCore/qhash.h:595
#23 0x00007f1474120b0c in QHashData::free_helper(void (*)(QHashData::Node*)) ()
from /usr/lib/libQt5Core.so.5
#24 0x00007f146e50df19 in QHash<int, QSharedPointer<IdleTimeout> >::freeData
(x=<optimized out>, this=0x564715d587f0) at /usr/include/qt/QtCore/qhash.h:619
#25 QHash<int, QSharedPointer<IdleTimeout> >::~QHash (this=<optimized out>,
this=<optimized out>) at /usr/include/qt/QtCore/qhash.h:250
#26 QHash<int, QSharedPointer<IdleTimeout> >::~QHash (this=<optimized out>,
this=<optimized out>) at /usr/include/qt/QtCore/qhash.h:250
#27 Poller::~Poller (this=<optimized out>, this=<optimized out>) at
/usr/src/debug/kidletime/kidletime-5.103.0/src/plugins/wayland/poller.cpp:136
#28 0x00007f146e50df6d in Poller::~Poller (this=<optimized out>,
this=<optimized out>) at
/usr/src/debug/kidletime/kidletime-5.103.0/src/plugins/wayland/poller.cpp:136
#29 0x00007f1474289488 in ?? () from /usr/lib/libQt5Core.so.5
#30 0x00007f147428998f in ?? () from /usr/lib/libQt5Core.so.5
#31 0x00007f1473a53f23 in __cxa_finalize (d=0x7f147451e000) at
cxa_finalize.c:82
#32 0x00007f14740ca9e8 in ?? () from /usr/lib/libQt5Core.so.5
#33 0x00007f1474cd6510 in ?? ()
#34 0x00007f1474eb80e2 in _dl_call_fini (closure_map=0x7ffd2da5efb0,
closure_map at entry=0x7f1474cd6510) at dl-call_fini.c:43
#35 0x00007f1474ebbf4e in _dl_fini () at dl-fini.c:114
#36 0x00007f1473a54445 in __run_exit_handlers (status=0, listp=0x7f1473bf1660
<__exit_funcs>, run_list_atexit=run_list_atexit at entry=true,
run_dtors=run_dtors at entry=true) at exit.c:108
#37 0x00007f1473a545b0 in __GI_exit (status=<optimized out>) at exit.c:138
--Type <RET> for more, q to quit, c to continue without paging--
#38 0x00007f1473a3c797 in __libc_start_call_main
(main=main at entry=0x564714bc6050 <main(int, char**)>, argc=argc at entry=1,
argv=argv at entry=0x7ffd2da5f438)
    at ../sysdeps/nptl/libc_start_call_main.h:74
#39 0x00007f1473a3c84a in __libc_start_main_impl (main=0x564714bc6050
<main(int, char**)>, argc=1, argv=0x7ffd2da5f438, init=<optimized out>,
fini=<optimized out>, 
    rtld_fini=<optimized out>, stack_end=0x7ffd2da5f428) at
../csu/libc-start.c:360
#40 0x0000564714bc6e15 in _start ()

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