Bug 493287

Summary: Kmail crashes sometimes when I try to copy a msg to a local folder
Product: [Applications] kmail2 Reporter: blinkeymv
Component: generalAssignee: kdepim bugs <kdepim-bugs>
Status: REPORTED ---    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: Kubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description blinkeymv 2024-09-17 18:21:47 UTC 
Application: kmail (5.24.5 (23.08.5))

Qt Version: 5.15.13
Frameworks Version: 5.115.0
Operating System: Linux 6.8.0-45-generic x86_64
Windowing System: X11
Distribution: Ubuntu 24.04.1 LTS
DrKonqi: 5.27.11 [KCrashBackend]

-- Information about the crash:
Same error I have got with Kubuntu 22.04 - always involves 'dirmngr'

The crash can be reproduced sometimes.

-- Backtrace:
Application: KMail (kmail), signal: Aborted

[KCrash Handler]
#4  __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
#5  __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
#6  __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#7  0x0000790a75a4526e in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#8  0x0000790a75a288ff in __GI_abort () at ./stdlib/abort.c:79
#9  0x0000790a75a297b6 in __libc_message_impl (fmt=fmt@entry=0x790a75bce8d7 "%s\n") at ../sysdeps/posix/libc_fatal.c:132
#10 0x0000790a75aa8fe5 in malloc_printerr (str=str@entry=0x790a75bd1eb8 "malloc(): unaligned tcache chunk detected") at ./malloc/malloc.c:5772
#11 0x0000790a75aad93c in tcache_get_n (ep=<optimized out>, tc_idx=<optimized out>) at ./malloc/malloc.c:3183
#12 tcache_get (tc_idx=<optimized out>) at ./malloc/malloc.c:3199
#13 __GI___libc_malloc (bytes=bytes@entry=5) at ./malloc/malloc.c:3320
#14 0x0000790a75ab434f in __GI___strdup (s=0x790a6bffdae0 "/tmp") at ./string/strdup.c:42
#15 0x0000790a75a46e77 in realpath_stk (bufs=0x790a6bffdad0, resolved=0x0, name=<optimized out>) at ./stdlib/canonicalize.c:409
#16 __GI___realpath (name=<optimized out>, resolved=0x0) at ./stdlib/canonicalize.c:431
#17 0x0000790a7645fbe7 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x0000790a763e3584 in QDir::canonicalPath() const () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x0000790a7646293c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x0000790a763e4424 in QDir::tempPath() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x0000790a7fc1901a in KMKernel::cleanupTemporaryFiles() () from /lib/x86_64-linux-gnu/libkmailprivate.so.5
#22 0x0000790a7fd7a4e9 in KCrash::defaultCrashHandler(int) () from /lib/x86_64-linux-gnu/libKF5Crash.so.5
#23 <signal handler called>
#24 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
#25 __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
#26 __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#27 0x0000790a75a4526e in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#28 0x0000790a75a288ff in __GI_abort () at ./stdlib/abort.c:79
#29 0x0000790a75a297b6 in __libc_message_impl (fmt=fmt@entry=0x790a75bce8d7 "%s\n") at ../sysdeps/posix/libc_fatal.c:132
#30 0x0000790a75aa8fe5 in malloc_printerr (str=str@entry=0x790a75bd1eb8 "malloc(): unaligned tcache chunk detected") at ./malloc/malloc.c:5772
#31 0x0000790a75aad93c in tcache_get_n (ep=<optimized out>, tc_idx=<optimized out>) at ./malloc/malloc.c:3183
#32 tcache_get (tc_idx=<optimized out>) at ./malloc/malloc.c:3199
#33 __GI___libc_malloc (bytes=16) at ./malloc/malloc.c:3320
#34 0x0000790a71bd14be in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#35 0x0000790a71bd1a96 in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#36 0x0000790a71bd328c in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#37 0x0000790a6c0fbba0 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#38 0x0000790a762db674 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x0000790a75a9ca94 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447
#40 0x0000790a75b29c3c in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 21 (Thread 0x790a690006c0 (LWP 4613) "kmail:disk$0"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x56b36de098f8) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56b36de098f8, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x0000790a75a9b7dd in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56b36de098a0, cond=0x56b36de098d0) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x56b36de098d0, mutex=0x56b36de098a0) at ./nptl/pthread_cond_wait.c:627
#5  0x0000790a6931d7ad in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#6  0x0000790a692fca8b in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#7  0x0000790a6931d6dc in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#8  0x0000790a75a9ca94 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447
#9  0x0000790a75b29c3c in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 20 (Thread 0x790a57e006c0 (LWP 4614) "QDBusConnection"):
#1  __GI___libc_read (fd=10, buf=0x790a57dff620, nbytes=8) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x0000790a720557af in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x0000790a720082ff in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x0000790a72066627 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x0000790a72006a53 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x0000790a76535296 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x0000790a764d6a7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x0000790a762da36b in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000790a760b615b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#10 0x0000790a762db674 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x0000790a75a9ca94 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447
#12 0x0000790a75b29c3c in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 19 (Thread 0x790a568006c0 (LWP 4615) "Qt bearer threa"):
#1  __GI___libc_read (fd=12, buf=0x790a567ff650, nbytes=8) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x0000790a720557af in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x0000790a720082ff in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x0000790a72066627 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x0000790a72006a53 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x0000790a76535296 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x0000790a764d6a7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x0000790a762da36b in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000790a762db674 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x0000790a75a9ca94 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447
#11 0x0000790a75b29c3c in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 18 (Thread 0x790a55e006c0 (LWP 4616) "SessionThread"):
#1  0x0000790a72005bcd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x0000790a72008196 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x0000790a72066627 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x0000790a72006a53 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x0000790a76535296 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x0000790a764d6a7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x0000790a762da36b in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x0000790a762db674 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000790a75a9ca94 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447
#10 0x0000790a75b29c3c in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 17 (Thread 0x790a554006c0 (LWP 4617) "SessionThread"):
#1  0x0000790a72005bb0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x0000790a720077cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x0000790a720665ab in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x0000790a72006a53 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x0000790a76535296 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x0000790a764d6a7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x0000790a762da36b in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x0000790a762db674 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000790a75a9ca94 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447
#10 0x0000790a75b29c3c in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 16 (Thread 0x790a54a006c0 (LWP 4631) "SessionThread"):
#1  0x0000790a72005bcd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x0000790a720077cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x0000790a720665ab in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x0000790a72006a53 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x0000790a76535296 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x0000790a764d6a7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x0000790a762da36b in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x0000790a762db674 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x0000790a75a9ca94 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447
#10 0x0000790a75b29c3c in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 15 (Thread 0x790a4ea006c0 (LWP 4641) "ThreadPoolServi"):
#1  0x0000790a734b0645 in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#2  0x0000790a734a8288 in event_base_loop () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#3  0x0000790a7a4655f1 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x0001790a4e9ff798 in ?? ()
#5  0x0000790a4e9ff6d8 in ?? ()
#6  0x0000000000000000 in ?? ()

Thread 14 (Thread 0x790a4d6006c0 (LWP 4643) "Chrome_IOThread"):
#1  __GI___lll_lock_wait_private (futex=0x790a75c05700 <_IO_stdfile_2_lock>) at ./nptl/lowlevellock.c:34
#2  0x0000790a75a6b755 in __vfprintf_internal (s=0x790a75c044e0 <_IO_2_1_stderr_>, format=0x790a734c49d2 "[%s] %s\n", ap=ap@entry=0x790a4d5fef80, mode_flags=2) at ./stdio-common/vfprintf-internal.c:1552
#3  0x0000790a75b36cc3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at ./debug/fprintf_chk.c:33
#4  0x0000790a734ac46e in event_logv_ () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x0000790a734ac64f in event_warn () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x0000790a734b07d4 in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x0000790a734a8288 in event_base_loop () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x0000790a7a465650 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x0001790a4d5ff778 in ?? ()
#10 0x0000790a4d5ff6b8 in ?? ()
#11 0x0000790a4d5ff6f0 in ?? ()
#12 0x0000790a75aad6e4 in __GI___libc_malloc (bytes=133084259294416) at ./malloc/malloc.c:3336
#13 0x0000790a7a427fcc in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x0000790a4d5ff840 in ?? ()
#15 0x0000790a4d5ff840 in ?? ()
#16 0x0000790a4d5ff770 in ?? ()
#17 0x0000790a4d5ff778 in ?? ()
#18 0x0000790a4d5ff7e0 in ?? ()
#19 0x0000790a7a3ffe14 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#20 0x0000790a4d5ff7c8 in ?? ()
#21 0x0000000000000000 in ?? ()

Thread 13 (Thread 0x790a43e006c0 (LWP 4645) "ThreadPoolForeg"):
#1  __futex_abstimed_wait_common (cancel=true, private=30986, abstime=0x790a43dff5c0, clockid=30986, expected=0, futex_word=0x790a43dff798) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x790a43dff798, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x790a43dff5c0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x0000790a75a9bc7e in __pthread_cond_wait_common (abstime=0x790a43dff5c0, clockid=1, mutex=0x790a43dff748, cond=0x790a43dff770) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x790a43dff770, mutex=0x790a43dff748, abstime=0x790a43dff5c0) at ./nptl/pthread_cond_wait.c:652
#5  0x0000790a7a4536f4 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00000000000007d8 in ?? ()
#7  0x000000003540c9d9 in ?? ()
#8  0x00000000000007b7 in ?? ()
#9  0x000000003540c9d9 in ?? ()
#10 0x0000790a43dff6d0 in ?? ()
#11 0x0000000000000000 in ?? ()

Thread 12 (Thread 0x790a40c006c0 (LWP 4649) "CompositorTileW"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x56b36e12747c) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56b36e12747c, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x0000790a75a9b7dd in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56b36e1273b8, cond=0x56b36e127450) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x56b36e127450, mutex=0x56b36e1273b8) at ./nptl/pthread_cond_wait.c:627
#5  0x0000790a7a453597 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x0000790a40bff890 in ?? ()
#7  0x000056b36ecfc758 in ?? ()
#8  0x000056b36e12b050 in ?? ()
#9  0x0000790a30001c40 in ?? ()
#10 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x790a37e006c0 (LWP 4650) "VideoCaptureThr"):
#1  __futex_abstimed_wait_common (cancel=true, private=30986, abstime=0x0, clockid=0, expected=0, futex_word=0x790a37dff668) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x790a37dff668, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x0000790a75a9b7dd in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x790a37dff618, cond=0x790a37dff640) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x790a37dff640, mutex=0x790a37dff618) at ./nptl/pthread_cond_wait.c:627
#5  0x0000790a7a453597 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x0000790a00000000 in ?? ()
#7  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x790a36a006c0 (LWP 4652) "Chrome_InProcGp"):
#1  __futex_abstimed_wait_common (cancel=true, private=30986, abstime=0x790a369ff4b0, clockid=30986, expected=0, futex_word=0x790a369ff688) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x790a369ff688, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x790a369ff4b0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x0000790a75a9bc7e in __pthread_cond_wait_common (abstime=0x790a369ff4b0, clockid=1, mutex=0x790a369ff638, cond=0x790a369ff660) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x790a369ff660, mutex=0x790a369ff638, abstime=0x790a369ff4b0) at ./nptl/pthread_cond_wait.c:652
#5  0x0000790a7a4536f4 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00000000000007d5 in ?? ()
#7  0x00000000358991de in ?? ()
#8  0x00000000000007b7 in ?? ()
#9  0x00000000358a070e in ?? ()
#10 0x0000790a00000574 in ?? ()
#11 0x0000790a7a424ea3 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x790a360006c0 (LWP 4654) "Chrome_ChildIOT"):
#1  __GI___lll_lock_wait_private (futex=0x790a75c05700 <_IO_stdfile_2_lock>) at ./nptl/lowlevellock.c:34
#2  0x0000790a75a6b755 in __vfprintf_internal (s=0x790a75c044e0 <_IO_2_1_stderr_>, format=0x790a734c49d2 "[%s] %s\n", ap=ap@entry=0x790a35ffefc0, mode_flags=2) at ./stdio-common/vfprintf-internal.c:1552
#3  0x0000790a75b36cc3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at ./debug/fprintf_chk.c:33
#4  0x0000790a734ac46e in event_logv_ () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x0000790a734ac64f in event_warn () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x0000790a734b07d4 in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x0000790a734a8288 in event_base_loop () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x0000790a7a465650 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x0001790a35fff7b8 in ?? ()
#10 0x0000790a35fff6f8 in ?? ()
#11 0x0000790a35fff730 in ?? ()
#12 0x0000790a75aad6e4 in __GI___libc_malloc (bytes=133084594845312) at ./malloc/malloc.c:3336
#13 0x0000790a7a427fcc in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x0000790a35fff840 in ?? ()
#15 0x0000790a20003d60 in ?? ()
#16 0x0000790a35fff7b0 in ?? ()
#17 0x0000790a35fff7b8 in ?? ()
#18 0x0000790a35fff820 in ?? ()
#19 0x0000790a7a3ffe14 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#20 0x0000790a2c000030 in ?? ()
#21 0xfffffffffffffeb8 in ?? ()
#22 0x0000790a20003f20 in ?? ()
#23 0x0000790a35fff840 in ?? ()
#24 0x0000790a35fff7e0 in ?? ()
#25 0x0000790a75aad6e4 in __GI___libc_malloc (bytes=1) at ./malloc/malloc.c:3336
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 8 (Thread 0x790a356006c0 (LWP 4655) "VizCompositorTh"):
#1  __futex_abstimed_wait_common (cancel=true, private=30986, abstime=0x0, clockid=0, expected=0, futex_word=0x790a355ff668) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x790a355ff668, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x0000790a75a9b7dd in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x790a355ff618, cond=0x790a355ff640) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x790a355ff640, mutex=0x790a355ff618) at ./nptl/pthread_cond_wait.c:627
#5  0x0000790a7a453597 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x790a34c006c0 (LWP 4656) "NetworkService"):
#1  __GI___libc_write (fd=2, buf=0x790a34bfeef0, nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:24
#2  0x0000790a75a93965 in _IO_new_file_write (f=0x790a75c044e0 <_IO_2_1_stderr_>, data=0x790a34bfeef0, n=39) at ./libio/fileops.c:1181
#3  0x0000790a75a93bca in new_do_write (to_do=<optimized out>, data=0x790a34bfeef0 "[warn] epoll_wait: Bad file descriptor\n", fp=0x790a75c044e0 <_IO_2_1_stderr_>) at ./libio/libioP.h:1030
#4  _IO_new_file_xsputn (n=39, data=<optimized out>, f=<optimized out>) at ./libio/fileops.c:1255
#5  _IO_new_file_xsputn (f=0x790a75c044e0 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at ./libio/fileops.c:1197
#6  0x0000790a75a60cb9 in __printf_buffer_flush_to_file (buf=0x790a34bfeec0) at ../libio/libioP.h:1030
#7  __printf_buffer_to_file_done (buf=buf@entry=0x790a34bfeec0) at ./stdio-common/printf_buffer_to_file.c:120
#8  0x0000790a75a6b59a in __vfprintf_internal (s=0x790a75c044e0 <_IO_2_1_stderr_>, format=0x790a734c49d2 "[%s] %s\n", ap=ap@entry=0x790a34bfefc0, mode_flags=2) at ./stdio-common/vfprintf-internal.c:1560
#9  0x0000790a75b36cc3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at ./debug/fprintf_chk.c:33
#10 0x0000790a734ac46e in event_logv_ () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#11 0x0000790a734ac64f in event_warn () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#12 0x0000790a734b07d4 in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#13 0x0000790a734a8288 in event_base_loop () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#14 0x0000790a7a465520 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x0001790a34bff7b8 in ?? ()
#16 0x0000790a34bff6f8 in ?? ()
#17 0x0000790a34bff730 in ?? ()
#18 0x0000000028bdb335 in ?? ()
#19 0x00000000000002ab in ?? ()
#20 0x000000000007f275 in ?? ()
#21 0x0000790a34bff770 in ?? ()
#22 0x000056b36e32a7c0 in ?? ()
#23 0x7fffffffffffffff in ?? ()
#24 0x0000000000000001 in ?? ()
#25 0x7fffffffffffffff in ?? ()
#26 0x0000790a34bff840 in ?? ()
#27 0x0000790a34bff770 in ?? ()
#28 0x0000790a7a427fcc in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#29 0x0000790a34bff840 in ?? ()
#30 0x0000790a7f92c8f0 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#31 0x0000790a34bff7b0 in ?? ()
#32 0x0000790a34bff7b8 in ?? ()
#33 0x0000790a34bff820 in ?? ()
#34 0x0000790a7a3ffe14 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#35 0x0000790a38000030 in ?? ()
#36 0xfffffffffffffeb8 in ?? ()
#37 0x0000790a7f92c988 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#38 0x0000790a34bff840 in ?? ()
#39 0x0000790a34bff7e0 in ?? ()
#40 0x0000790a75aad6e4 in __GI___libc_malloc (bytes=133084796208432) at ./malloc/malloc.c:3336
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 6 (Thread 0x790a2be006c0 (LWP 4657) "ThreadPoolSingl"):
#1  __futex_abstimed_wait_common (cancel=true, private=30986, abstime=0x0, clockid=0, expected=0, futex_word=0x790a2bdff778) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x790a2bdff778, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x0000790a75a9b7dd in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x790a2bdff728, cond=0x790a2bdff750) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x790a2bdff750, mutex=0x790a2bdff728) at ./nptl/pthread_cond_wait.c:627
#5  0x0000790a7a453597 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x0000790a2bdff5d0 in ?? ()
#7  0x000056b36e435b00 in ?? ()
#8  0x0000790a2bdff660 in ?? ()
#9  0x000056b36e2074f0 in ?? ()
#10 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x790a1e4006c0 (LWP 4686) "SessionThread"):
#1  0x0000790a7206666e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x0000790a72006a53 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x0000790a76535296 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x0000790a764d6a7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x0000790a762da36b in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x0000790a762db674 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x0000790a75a9ca94 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447
#8  0x0000790a75b29c3c in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 4 (Thread 0x790a1d6006c0 (LWP 4690) "MemoryInfra"):
#1  __futex_abstimed_wait_common (cancel=true, private=30986, abstime=0x0, clockid=0, expected=0, futex_word=0x790a1d5ff668) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x790a1d5ff668, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x0000790a75a9b7dd in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x790a1d5ff618, cond=0x790a1d5ff640) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x790a1d5ff640, mutex=0x790a1d5ff618) at ./nptl/pthread_cond_wait.c:627
#5  0x0000790a7a453597 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x790a1cc006c0 (LWP 4691) "ThreadPoolSingl"):
#1  __futex_abstimed_wait_common (cancel=true, private=30986, abstime=0x0, clockid=0, expected=0, futex_word=0x790a1cbff778) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x790a1cbff778, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x0000790a75a9b7dd in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x790a1cbff728, cond=0x790a1cbff750) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x790a1cbff750, mutex=0x790a1cbff728) at ./nptl/pthread_cond_wait.c:627
#5  0x0000790a7a453597 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x0000790a1cbff5d0 in ?? ()
#7  0x000056b36eb93450 in ?? ()
#8  0x0000790a1cbff660 in ?? ()
#9  0x000056b36e2074f0 in ?? ()
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x790a42a006c0 (LWP 4850) "kmail"):
#1  __pselect (nfds=5, readfds=0x790a429f7770, writefds=0x0, exceptfds=0x0, timeout=<optimized out>, sigmask=<optimized out>) at ../sysdeps/unix/sysv/linux/pselect.c:56
#2  0x0000790a6cf8501c in ?? () from /lib/x86_64-linux-gnu/libusbmuxd-2.0.so.6
#3  0x0000790a6cf85d45 in ?? () from /lib/x86_64-linux-gnu/libusbmuxd-2.0.so.6
#4  0x0000790a75a9ca94 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447
#5  0x0000790a75b29c3c in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 1 (Thread 0x790a6c805d00 (LWP 4611) "kmail"):
#1  __GI___lll_lock_wait (futex=futex@entry=0x56b36dcabd88, private=0) at ./nptl/lowlevellock.c:49
#2  0x0000790a75aa00f1 in lll_mutex_lock_optimized (mutex=0x56b36dcabd88) at ./nptl/pthread_mutex_lock.c:48
#3  ___pthread_mutex_lock (mutex=0x56b36dcabd88) at ./nptl/pthread_mutex_lock.c:93
#4  0x0000790a71bd8b61 in xcb_send_request_with_fds64 () from /lib/x86_64-linux-gnu/libxcb.so.1
#5  0x0000790a71bd92dd in xcb_send_request () from /lib/x86_64-linux-gnu/libxcb.so.1
#6  0x0000790a71bdbde7 in xcb_query_pointer () from /lib/x86_64-linux-gnu/libxcb.so.1
#7  0x0000790a6c0f63a7 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#8  0x0000790a6c0f64f4 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#9  0x0000790a76955a4b in QCursor::pos(QScreen const*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x0000790a761aff18 in ?? () from /lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#11 0x0000790a76512e16 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x0000790a7651710d in QTimer::timeout(QTimer::QPrivateSignal) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x0000790a7650624b in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x0000790a7716bd45 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x0000790a764d8118 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x0000790a765345ab in QTimerInfoList::activateTimers() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x0000790a76534f11 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x0000790a720075b5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x0000790a72066717 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x0000790a72006a53 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x0000790a76535296 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x0000790a764d6a7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x0000790a764df3e8 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x000056b36d6d31b9 in ?? ()
#25 0x0000790a75a2a1ca in __libc_start_call_main (main=main@entry=0x56b36d6d20e0, argc=argc@entry=3, argv=argv@entry=0x7ffc23661058) at ../sysdeps/nptl/libc_start_call_main.h:58
#26 0x0000790a75a2a28b in __libc_start_main_impl (main=0x56b36d6d20e0, argc=3, argv=0x7ffc23661058, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc23661048) at ../csu/libc-start.c:360
#27 0x000056b36d6d38a5 in ?? ()
[Inferior 1 (process 4611) detached]

The reporter indicates this bug may be a duplicate of or related to bug 477656.

Reported using DrKonqi