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Thread 1 "palemoon" received signal SIGSEGV, Segmentation fault.
MOZ_CrashOOL (aLine=aLine@entry=2988, 
    aReason=aReason@entry=0x555555578408 "(run->regs_mask[elm] & (1U << bit)) == 0")
    at /pale-moon/platform/mfbt/Assertions.cpp:33
33	  MOZ_REALLY_CRASH(aLine);
(gdb) backtrace
#0  MOZ_CrashOOL(int, char const*)
    (aLine=aLine@entry=2988, aReason=aReason@entry=0x555555578408 "(run->regs_mask[elm] & (1U << bit)) == 0") at /pale-moon/platform/mfbt/Assertions.cpp:33
#1  0x0000555555559863 in arena_run_reg_dalloc
    (bin=0x7ffff7900f38, bin=0x7ffff7900f38, size=448, ptr=0x7fffcb389a40, run=0x7fffcb388000)
    at /pale-moon/platform/memory/mozjemalloc/jemalloc.c:2988
#2  arena_dalloc_small
    (mapelm=0x7fffcb300cf8, ptr=0x7fffcb389a40, chunk=0x7fffcb300000, arena=0x7ffff7900200)
    at /pale-moon/platform/memory/mozjemalloc/jemalloc.c:4101
#3  arena_dalloc (ptr=0x7fffcb389a40, offset=563776)
    at /pale-moon/platform/memory/mozjemalloc/jemalloc.c:4228
#4  0x00007ffff6133baa in  () at /lib/x86_64-linux-gnu/libfontconfig.so.1
#5  0x00007ffff161e7a1 in gfxFontconfigFontEntry::gfxFontconfigFontEntry(nsAString_internal const&, unsigned short, short, unsigned char, unsigned char const*, FT_FaceRec_*) (this=
    0x7fffb7ffbe20, aFaceName=..., aWeight=<optimized out>, aStretch=<optimized out>, aStyle=<optimized out>, aData=0x7fffcc69d000 "", aFace=0x7fffbd3e0000)
    at /pale-moon/platform/gfx/thebes/gfxFcPlatformFontList.cpp:252
#6  0x00007ffff162104a in gfxFcPlatformFontList::MakePlatformFont(nsAString_internal const&, unsigned short, short, unsigned char, unsigned char const*, unsigned int)
    (this=<optimized out>, aFontName=..., aWeight=<optimized out>, aStretch=<optimized out>, aStyle=<optimized out>, aFontData=0x7fffcc69d000 "", aLength=78468)
    at /uxp-build-pm/dist/include/mozilla/mozalloc.h:191
#7  0x00007ffff168a96c in gfxUserFontEntry::LoadPlatformFont(unsigned char const*, unsigned int&)
    (this=0x7fffbcdf7560, aFontData=0x7fffb6a8c000 "wOFF", aLength=@0x7fffffffc6fc: 30896)
    at /pale-moon/platform/gfx/thebes/gfxUserFontSet.cpp:656
--Type <RET> for more, q to quit, c to continue without paging--c
#8  0x00007ffff168b982 in gfxUserFontEntry::FontDataDownloadComplete(unsigned char const*, unsigned int, nsresult) (this=0x7fffbcdf7560, aFontData=aFontData@entry=0x7fffb6a8c000 "wOFF", aLength=<optimized out>, aLength@entry=30896, aDownloadStatus=aDownloadStatus@entry=nsresult::NS_OK) at /pale-moon/platform/gfx/thebes/gfxUserFontSet.cpp:754
#9  0x00007ffff28c7d96 in nsFontFaceLoader::OnStreamComplete(nsIStreamLoader*, nsISupports*, nsresult, unsigned int, unsigned char const*) (this=0x7fffbad29c40, aLoader=0x7fffb84f5be0, aContext=<optimized out>, aStatus=nsresult::NS_OK, aStringLen=30896, aString=0x7fffb6a8c000 "wOFF") at /uxp-build-pm/dist/include/mozilla/RefPtr.h:316
#10 0x00007ffff0e4058f in mozilla::net::nsStreamLoader::OnStopRequest(nsIRequest*, nsISupports*, nsresult) (this=0x7fffb84f5be0, request=0x7fffbbfd2048, ctxt=0x0, aStatus=nsresult::NS_OK) at /uxp-build-pm/dist/include/nsCOMPtr.h:1055
#11 0x00007ffff1023d74 in nsCORSListenerProxy::OnStopRequest(nsIRequest*, nsISupports*, nsresult) (this=0x7fffb84f5c40, aRequest=<optimized out>, aContext=<optimized out>, aStatusCode=<optimized out>) at /uxp-build-pm/dist/include/nsCOMPtr.h:766
#12 0x00007ffff104f9fc in mozilla::net::nsHttpChannel::OnStopRequest(nsIRequest*, nsISupports*, nsresult) (this=0x7fffbbfd2000, request=<optimized out>, ctxt=<optimized out>, status=nsresult::NS_OK) at /uxp-build-pm/dist/include/nsCOMPtr.h:1055
#13 0x00007ffff0e29459 in nsInputStreamPump::OnStateStop() (this=this@entry=0x7fffaf343f20) at /uxp-build-pm/dist/include/nsCOMPtr.h:1055
#14 0x00007ffff0e296bf in nsInputStreamPump::OnInputStreamReady(nsIAsyncInputStream*) (this=0x7fffaf343f20, stream=<optimized out>) at /pale-moon/platform/netwerk/base/nsInputStreamPump.cpp:433
#15 0x00007ffff0d98a8c in nsInputStreamReadyEvent::Run() (this=0x7fffba114ac0) at /pale-moon/platform/xpcom/io/nsStreamUtils.cpp:95
#16 0x00007ffff0db2f3c in nsThread::ProcessNextEvent(bool, bool*) (aResult=0x7fffffffca7f, aMayWait=<optimized out>, this=0x7ffff7849360) at /pale-moon/platform/xpcom/threads/nsThread.cpp:1141
#17 nsThread::ProcessNextEvent(bool, bool*) (this=0x7ffff7849360, aMayWait=<optimized out>, aResult=0x7fffffffca7f) at /pale-moon/platform/xpcom/threads/nsThread.cpp:1077
#18 0x00007ffff0dd641a in NS_ProcessNextEvent(nsIThread*, bool) (aThread=<optimized out>, aThread@entry=0x7ffff7849360, aMayWait=aMayWait@entry=false) at /pale-moon/platform/xpcom/glue/nsThreadUtils.cpp:356
#19 0x00007ffff10aa382 in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) (this=0x7fffefca0440, aDelegate=0x7ffff78aa0b0) at /pale-moon/platform/ipc/glue/MessagePump.cpp:96
#20 0x00007ffff1089df5 in MessageLoop::RunInternal() (this=<optimized out>) at /uxp-build-pm/dist/include/mozilla/RefPtr.h:316
#21 MessageLoop::RunHandler() (this=<optimized out>) at /pale-moon/platform/ipc/chromium/src/base/message_loop.cc:225
#22 MessageLoop::Run() (this=<optimized out>) at /pale-moon/platform/ipc/chromium/src/base/message_loop.cc:205
#23 0x00007ffff2703728 in nsBaseAppShell::Run() (this=0x7fffddd15f80) at /pale-moon/platform/widget/nsBaseAppShell.cpp:153
#24 0x00007ffff2dc0fce in nsAppStartup::Run() (this=0x7fffddd1c1f0) at /uxp-build-pm/dist/include/nsCOMPtr.h:766
#25 0x00007ffff2df8a64 in XREMain::XRE_mainRun() (this=this@entry=0x7fffffffcce0) at /uxp-build-pm/dist/include/nsCOMPtr.h:766
#26 0x00007ffff2df9313 in XREMain::XRE_main(int, char**, nsXREAppData const*) (this=this@entry=0x7fffffffcce0, argc=argc@entry=4, argv=argv@entry=0x7fffffffe068, aAppData=aAppData@entry=0x7fffffffcf10) at /pale-moon/platform/toolkit/xre/nsAppRunner.cpp:3996
#27 0x00007ffff2df95da in XRE_main(int, char**, nsXREAppData const*, uint32_t) (argc=4, argv=0x7fffffffe068, aAppData=0x7fffffffcf10, aFlags=<optimized out>) at /pale-moon/platform/toolkit/xre/nsAppRunner.cpp:4078
#28 0x000055555555a6ba in do_main(int, char**, char**, nsIFile*) (argc=4, argv=0x7fffffffe068, envp=<optimized out>, xreDirectory=0x7ffff7878a80) at /pale-moon/palemoon/app/nsBrowserApp.cpp:255
#29 0x0000555555559a29 in main(int, char**, char**) (argc=4, argv=0x7fffffffe068, envp=0x7fffffffe090) at /pale-moon/palemoon/app/nsBrowserApp.cpp:379

Code: Select all

    // Use fontconfig to fill out the pattern from the FTFace.
    // The "file" argument cannot be nullptr (in fontconfig-2.6.0 at
    // least). The dummy file passed here is removed below.
    //
    // When fontconfig scans the system fonts, FcConfigGetBlanks(nullptr)
    // is passed as the "blanks" argument, which provides that unexpectedly
    // blank glyphs are elided.  Here, however, we pass nullptr for
    // "blanks", effectively assuming that, if the font has a blank glyph,
    // then the author intends any associated character to be rendered
    // blank.
    mFontPattern = FcFreeTypeQueryFace(mFTFace, ToFcChar8Ptr(""), 0, nullptr); ***CRASH***