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[Bug 1917184] Re: qemu-user vm86() segfaults handling interrupt with ss:
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From: |
Thomas Huth |
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Subject: |
[Bug 1917184] Re: qemu-user vm86() segfaults handling interrupt with ss:sp in same page as cs:ip |
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Date: |
Sat, 15 May 2021 10:53:41 -0000 |
This is an automated cleanup. This bug report has been moved to QEMU's
new bug tracker on gitlab.com and thus gets marked as 'expired' now.
Please continue with the discussion here:
https://gitlab.com/qemu-project/qemu/-/issues/314
** Changed in: qemu
Status: New => Expired
** Bug watch added: gitlab.com/qemu-project/qemu/-/issues #314
https://gitlab.com/qemu-project/qemu/-/issues/314
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https://bugs.launchpad.net/bugs/1917184
Title:
qemu-user vm86() segfaults handling interrupt with ss:sp in same page
as cs:ip
Status in QEMU:
Expired
Bug description:
When using qemu-i386 to run a program that uses vm86(), if the vm86
code calls an interrupt while cs:ip and ss:sp both point within the
same page, do_int tries to write to the page while it is not writable,
causing a segfault.
qemu version 5.2.0, x86-64 host.
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