Public bug reported:
As discussed in #1803160 I'm opening a new ticket for the new bug.
QEMU version:
-------------
qemu from git, master branch commit
80422b00196a7af4c6efb628fae0ad8b644e98af
Summary:
--------
TCG crashes in i386 and x86_64 when it tries to execute some specific
illegal instructions. When running full OS emulation, both the guest
system and QEMU crash.
$ qemu-i386 tcg_crash1.elf
/home/alberto/Documents/qemu/tcg/tcg.c:2863: tcg fatal error
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
zsh: segmentation fault (core dumped) ./qemu/build/i386-linux-user/qemu-i386
tcg_crash1.elf
Invalid instructions:
f0 invalid
40 inc eax
a7 cmpsd dword [esi], dword ptr es:[edi]
48 dec eax
Testcase:
---------
Find ELF file attached.
** Affects: qemu
Importance: Undecided
Status: New
** Tags: tcg
** Attachment added: "tcg_crash1.elf"
https://bugs.launchpad.net/bugs/1807675/+attachment/5220847/+files/tcg_crash1.elf
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https://bugs.launchpad.net/bugs/1807675
Title:
qemu commit 80422b0: tcg.c crash in temp_load
Status in QEMU:
New
Bug description:
As discussed in #1803160 I'm opening a new ticket for the new bug.
QEMU version:
-------------
qemu from git, master branch commit
80422b00196a7af4c6efb628fae0ad8b644e98af
Summary:
--------
TCG crashes in i386 and x86_64 when it tries to execute some specific
illegal instructions. When running full OS emulation, both the guest
system and QEMU crash.
$ qemu-i386 tcg_crash1.elf
/home/alberto/Documents/qemu/tcg/tcg.c:2863: tcg fatal error
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
zsh: segmentation fault (core dumped) ./qemu/build/i386-linux-user/qemu-i386
tcg_crash1.elf
Invalid instructions:
f0 invalid
40 inc eax
a7 cmpsd dword [esi], dword ptr es:[edi]
48 dec eax
Testcase:
---------
Find ELF file attached.
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