Re: I think Firefox crashed my system

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This is not an out of memory crash.

This is a code bug in firefox and/or in the shared library being
called by firefox.

Usually this is related to something unexpected/unhandled in the data
stream being processed incorrectly.

I have had a few of these firefox crashes since around Nov 20.

Hopefully someone fixes it soon.

On Sun, Dec 10, 2023 at 5:00 AM Patrick O'Callaghan
<pocallaghan@xxxxxxxxx> wrote:
>
> This morning I found this in my journal:
>
> Dec 09 23:53:04 Bree kernel: traps: Isolated Web Co[188480] general protection fault ip:7f6a44c75871 sp:7ffc2a7be1f0 error:0 in libxul.so[7f6a42462000+4664000]
> Dec 09 23:53:04 Bree systemd[1]: Started systemd-coredump@12-239925-0.service - Process Core Dump (PID 239925/UID 0).
> Dec 09 23:53:05 Bree abrt-dump-journal-oops[182510]: abrt-dump-journal-oops: Found oopses: 1
> Dec 09 23:53:05 Bree abrt-dump-journal-oops[182510]: abrt-dump-journal-oops: Creating problem directories
> Dec 09 23:53:06 Bree abrt-dump-journal-oops[182510]: Reported 1 kernel oopses to Abrt
> Dec 09 23:53:07 Bree abrt-server[239927]: Can't find a meaningful backtrace for hashing in '.'
> Dec 09 23:53:07 Bree abrt-server[239927]: Deleting non-reportable oops '.' because DropNotReportableOopses is set to 'yes'
> Dec 09 23:53:07 Bree abrt-server[239927]: 'post-create' on '/var/spool/abrt/oops-2023-12-09-23:53:05-182510-0' exited with 1
> Dec 09 23:53:07 Bree abrt-server[239927]: Deleting problem directory '/var/spool/abrt/oops-2023-12-09-23:53:05-182510-0'
> Dec 09 23:53:07 Bree abrt-server[239927]: Lock file '.lock' was locked by process 239940, but it crashed?
> Dec 09 23:53:07 Bree systemd-coredump[239926]: [🡕] Process 188480 (Isolated Web Co) of user 1000 dumped core.
>
>                                                Module libxcb-dri3.so.0 from rpm libxcb-1.13.1-12.fc39.x86_64
>                                                Module libnuma.so.1 from rpm numactl-2.0.16-3.fc39.x86_64
>                                                Module libogg.so.0 from rpm libogg-1.3.5-6.fc39.x86_64
>
> etc. etc. (I'll omit the rest of the trace)
>
> libxul.so is part of Firefox (and Thunderbird, which I don't use).
> Apparently "Isolated Web Co" is a Firefox process which has been
> reported for years as leaking memory, though I haven't noticed it doing
> this myself (I have a lot of swap). Some people think it's related to
> viewing YouTube videos, which I do do.
>
> My question is: why doesn't the OOM killer stamp on this before it gets
> out of hand? Isn't that what it's for?
>
> poc
> --
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