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Re: [PATCH 0/2] Fix SIGILL psw.addr reporting
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From: |
Ilya Leoshkevich |
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Subject: |
Re: [PATCH 0/2] Fix SIGILL psw.addr reporting |
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Date: |
Fri, 21 May 2021 12:45:30 +0200 |
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User-agent: |
Evolution 3.38.4 (3.38.4-1.fc33) |
On Fri, 2021-05-21 at 09:42 +0200, David Hildenbrand wrote:
> On 21.05.21 05:01, Ilya Leoshkevich wrote:
> > qemu-s390x puts a wrong value into SIGILL's siginfo_t's psw.addr:
> > it
> > should be a pointer to the instruction following the illegal
> > instruction, but at the moment it is a pointer to the illegal
> > instruction itself. This breaks OpenJDK, which relies on this
> > value.
> >
> > Patch 1 fixes the issue, patch 2 adds a test.
>
> I assume that should fix
>
> https://bugs.launchpad.net/qemu/+bug/1920913
>
> right?
Yes, I have this Buglink in the fix commit message.
I have to admit I did not test Java more extensively - there might be
more things going on - but at least with this the SIGILL on startup is
gone, and very simple programs work.