This crash occurs also in firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=1377779
It seems 100% reproducable when run in debugger `gdb /usr/lib/thunderbird/thunderbird-bin`, crashed right after start up.. compared to that, when started normal (`thunderbird`) takes about half a day to crash. Same backtrace as bevor, > #0 0x00007f1b629a19be in __libc_send (fd=381, buf=buf@entry=0x7f1af3198000, > len=len@entry=53, flags=flags@entry=0) at ../sysdeps/unix/sysv/linux/send.c:28 > #1 0x00007f1b62481d7f in pt_Send (fd=0x7f1af33ffbb0, buf=0x7f1af3198000, > amount=53, flags=0, timeout=4294967295) at > ./mozilla/nsprpub/pr/src/pthreads/ptio.c:1 > #2 0x00007f1b620b61d2 in ssl_DefSend (ss=ss@entry=0x7f1af3196000, > buf=0x7f1af3198000 "\025\003\003", len=53, flags=flags@entry=0) at > ssldef.c:103 > #3 0x00007f1b620ad949 in ssl3_SendRecord (ss=ss@entry=0x7f1af3196000, > cwSpec=0x7f1af3196a38, cwSpec@entry=0x0, type=type@entry=content_alert, > pIn=0x7f1b554fda > #4 0x00007f1b620aea1c in SSL3_SendAlert (ss=ss@entry=0x7f1af3196000, > level=level@entry=alert_warning, desc=desc@entry=close_notify) at > ssl3con.c:3144 > #5 0x00007f1b620ba8d3 in ssl_SecureClose (ss=0x7f1af3196000) at > sslsecur.c:786 > #6 0x00007f1b5c01c5da in nsNSSSocketInfo::CloseSocketAndDestroy > (this=0x7f1af59c4880) at ./mozilla/security/manager/ssl/nsNSSIOLayer.cpp:973 > #7 0x00007f1b5c01c67e in nsSSLIOLayerClose (fd=0x7f1af33ffb50) at > ./mozilla/security/manager/ssl/nsNSSIOLayer.cpp:952 > #8 0x00007f1b5a7ff33b in mozilla::net::nsSocketTransport::CloseSocket > (aFd=<optimized out>, aTelemetryEnabled=<optimized out>) at > ./mozilla/netwerk/base/nsSoc > #9 0x00007f1b5a800186 in mozilla::net::nsSocketTransport::ReleaseFD_Locked > (this=0x7f1af542d000, fd=<optimized out>) at > ./mozilla/netwerk/base/nsSocketTranspo > #10 0x00007f1b5a8008c2 in mozilla::net::nsSocketTransport::OnSocketDetached > (this=0x7f1af542d000, fd=<optimized out>) at > ./mozilla/netwerk/base/nsSocketTranspo > #11 0x00007f1b5a7f8e36 in > mozilla::net::nsSocketTransportService::DetachSocket > (this=this@entry=0x7f1b6226ce20, listHead=0x7f1b622a3000, > sock=0x7f1b622a3090) a > #12 0x00007f1b5a7ffc11 in > mozilla::net::nsSocketTransportService::DoPollIteration > (this=this@entry=0x7f1b6226ce20, pollDuration=pollDuration@entry=0x7f1b554fdc > #13 0x00007f1b5a80148b in mozilla::net::nsSocketTransportService::Run > (this=0x7f1b6226ce20) at > ./mozilla/netwerk/base/nsSocketTransportService2.cpp:903 > #14 0x00007f1b5a779894 in nsThread::ProcessNextEvent (this=0x7f1b62250f20, > aMayWait=<optimized out>, aResult=0x7f1b554fddc7) at > ./mozilla/xpcom/threads/nsThrea > #15 0x00007f1b5a7958c9 in NS_ProcessNextEvent (aThread=<optimized out>, > aThread@entry=0x7f1b62250f20, aMayWait=aMayWait@entry=false) at > ./mozilla/xpcom/glue/ns > #16 0x00007f1b5aa4eb2b in mozilla::ipc::MessagePumpForNonMainThreads::Run > (this=0x7f1b57cf2b00, aDelegate=0x7f1b622d5840) at > ./mozilla/ipc/glue/MessagePump.cpp > #17 0x00007f1b5aa3e208 in MessageLoop::RunHandler (this=0x7f1b622d5840) at > ./mozilla/ipc/chromium/src/base/message_loop.cc:225 > #18 MessageLoop::Run (this=this@entry=0x7f1b622d5840) at > ./mozilla/ipc/chromium/src/base/message_loop.cc:205 > #19 0x00007f1b5a7763d6 in nsThread::ThreadFunc (aArg=0x7f1b62250f20) at > ./mozilla/xpcom/threads/nsThread.cpp:467 > #20 0x00007f1b62484cd3 in _pt_root (arg=0x7f1b62267a40) at > ./mozilla/nsprpub/pr/src/pthreads/ptthread.c:216 > #21 0x00007f1b62997f2a in start_thread (arg=0x7f1b554fe700) at > pthread_create.c:463 > #22 0x00007f1b62594edf in clone () at > ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Having had these crashes for quite some time now.. would appreciate a bug fix 😁