And from a core file on lunar:
(gdb) bt -full
#0 __pthread_kill_implementation (no_tid=0, signo=11, threadid=<optimised
out>) at ./nptl/pthread_kill.c:44
tid = <optimised out>
ret = 0
pd = <optimised out>
old_mask = {__val = {11}}
ret = <optimised out>
#1 __pthread_kill_internal (signo=11, threadid=<optimised out>) at
./nptl/pthread_kill.c:78
#2 __GI___pthread_kill (threadid=<optimised out>, signo=signo@entry=11) at
./nptl/pthread_kill.c:89
#3 0x00007f464d03c406 in __GI_raise (sig=sig@entry=11) at
../sysdeps/posix/raise.c:26
ret = <optimised out>
#4 0x000056282c4afaea in dump_gjs_stack_on_signal_handler (signo=11) at
../src/main.c:495
sa = {__sigaction_handler = {sa_handler = 0x56282c4af730
<dump_gjs_stack_alarm_sigaction>, sa_sigaction = 0x56282c4af730
<dump_gjs_stack_alarm_sigaction>}, sa_mask = {__val = {0 <repeats 16 times>}},
sa_flags = 0, sa_restorer = 0x0}
i = <optimised out>
#5 0x00007f464d03c4b0 in <signal handler called> () at
/lib/x86_64-linux-gnu/libc.so.6
#6 0x00007f464ad8d344 in js::gc::Cell::storeBuffer() const (this=<optimised
out>, this=<optimised out>) at /usr/src/mozjs102-102.9.0-1/js/src/gc/Cell.h:357
buffer = 0x0
#7 js::gc::PostWriteBarrierImpl<JSObject>(void*, JSObject*, JSObject*)
(next=<optimised out>, prev=<optimised out>, cellp=<optimised out>) at
/usr/src/mozjs102-102.9.0-1/js/src/gc/StoreBuffer.h:646
buffer = 0x0
#8 js::gc::PostWriteBarrier<js::SavedFrame>(js::SavedFrame**, js::SavedFrame*,
js::SavedFrame*) (next=<optimised out>, prev=<optimised out>, vp=<optimised
out>) at /usr/src/mozjs102-102.9.0-1/js/src/gc/StoreBuffer.h:658
#9 js::InternalBarrierMethods<js::SavedFrame*,
void>::postBarrier(js::SavedFrame**, js::SavedFrame*, js::SavedFrame*)
(next=<optimised out>, prev=<optimised out>, vp=0x7f4630022da0) at
/usr/src/mozjs102-102.9.0-1/js/src/gc/Barrier.h:350
#10 js::InternalBarrierMethods<js::SavedFrame*,
void>::postBarrier(js::SavedFrame**, js::SavedFrame*, js::SavedFrame*)
(vp=0x7f4630022da0, prev=<optimised out>, next=<optimised out>) at
/usr/src/mozjs102-102.9.0-1/js/src/gc/Barrier.h:349
#11 0x00007f464d91f721 in js::BarrierMethods<JSObject*,
void>::postWriteBarrier(JSObject**, JSObject*, JSObject*) (next=0x0,
prev=<optimised out>, vp=0x7f4630022da0) at
/usr/include/mozjs-102/js/RootingAPI.h:795
p = 0x7f4630022da0
#12 JS::Heap<JSObject*>::postWriteBarrier(JSObject* const&, JSObject* const&)
(next=<optimised out>, prev=@0x7f4630022da0: 0x1c8a30a483a0,
this=0x7f4630022da0, this=<optimised out>, prev=<optimised out>,
next=<optimised out>)
at /usr/include/mozjs-102/js/RootingAPI.h:376
p = 0x7f4630022da0
#13 JS::Heap<JSObject*>::~Heap() (this=0x7f4630022da0, this=<optimised out>) at
/usr/include/mozjs-102/js/RootingAPI.h:338
p = 0x7f4630022da0
#14 mozilla::detail::VectorImpl<JS::Heap<JSObject*>, 0ul,
js::SystemAllocPolicy, false>::destroy(JS::Heap<JSObject*>*,
JS::Heap<JSObject*>*) (aEnd=0x7f4630022da8, aBegin=<optimised out>) at
/usr/include/mozjs-102/mozilla/Vector.h:65
p = 0x7f4630022da0
#15 mozilla::Vector<JS::Heap<JSObject*>, 0ul, js::SystemAllocPolicy>::~Vector()
(this=0x56282d2db9d8, this=<optimised out>) at
/usr/include/mozjs-102/mozilla/Vector.h:901
#16 JS::GCVector<JS::Heap<JSObject*>, 0ul, js::SystemAllocPolicy>::~GCVector()
(this=0x56282d2db9d8, this=<optimised out>) at
/usr/include/mozjs-102/js/GCVector.h:43
#17 GjsContextPrivate::~GjsContextPrivate() (this=0x56282d2db960,
this=<optimised out>) at
/usr/src/gjs-1.76.0-1/obj-x86_64-linux-gnu/../gjs/context.cpp:487
#18 0x00007f464d9211e3 in gjs_context_finalize(GObject*)
(object=0x56282d2dbae0) at
/usr/src/gjs-1.76.0-1/obj-x86_64-linux-gnu/../gjs/context.cpp:500
gjs = <optimised out>
#19 0x00007f464e02ee4c in g_object_unref (_object=0x56282d2dbae0) at
../../../gobject/gobject.c:3938
weak_locations = <optimised out>
nqueue = 0x56282d8fc5c0
object = 0x56282d2dbae0
old_ref = <optimised out>
__func__ = "g_object_unref"
#20 0x00007f464dc2508d in _shell_global_destroy_gjs_context (self=<optimised
out>) at ../src/shell-global.c:752
_pp = <optimised out>
_ptr = <optimised out>
#21 0x000056282c4af00f in main (argc=<optimised out>, argv=<optimised out>) at
../src/main.c:776
context = 0x56282cd4e780
debug_flags_string = 0x56282d06c7b0
"backtrace-aborts:backtrace-math-errors:backtrace-crashes-all:backtrace-all"
error = 0x0
shell_debug = <optimised out>
ecode = 0
(gdb)
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gjs in Ubuntu.
https://bugs.launchpad.net/bugs/1974293
Title:
gnome-shell crashed on logout with SIGSEGV in
js::gc::Cell::storeBuffer() from
js::gc::PostWriteBarrierImpl<JSObject>()
Status in gjs:
New
Status in OEM Priority Project:
Confirmed
Status in gjs package in Ubuntu:
Confirmed
Status in gnome-shell package in Ubuntu:
In Progress
Status in mozjs102 package in Ubuntu:
Confirmed
Status in mozjs91 package in Ubuntu:
Confirmed
Status in gnome-shell package in Fedora:
Confirmed
Bug description:
https://errors.ubuntu.com/problem/256d1c0d1aad03bb024b525f4c80868e8f6a85b4
https://errors.ubuntu.com/problem/b1669e114babda005eb5a6414867a0eb7293f7e7
Description: Ubuntu 22.04 LTS
Release: 22.04
ProblemType: Crash
DistroRelease: Ubuntu 22.04
Package: gnome-shell 42.0-2ubuntu1
ProcVersionSignature: Ubuntu 5.15.0-30.31-generic 5.15.30
Uname: Linux 5.15.0-30-generic x86_64
ApportVersion: 2.20.11-0ubuntu82
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri May 20 16:06:35 2022
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
ExecutableTimestamp: 1649813447
InstallationDate: Installed on 2022-05-05 (14 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64
(20220419)
ProcCmdline: /usr/bin/gnome-shell
ProcCwd: /home/ubuntu
RelatedPackageVersions: mutter-common 42.0-3ubuntu2
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
?? () from /lib/x86_64-linux-gnu/libmozjs-91.so.0
?? () from /lib/x86_64-linux-gnu/libgjs.so.0
?? () from /lib/x86_64-linux-gnu/libgjs.so.0
g_object_unref () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
?? ()
Title: gnome-shell crashed with SIGSEGV in g_object_unref()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
separator:
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