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Diffstat (limited to 'results/classifier/zero-shot/108/other/1902267')
| -rw-r--r-- | results/classifier/zero-shot/108/other/1902267 | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/results/classifier/zero-shot/108/other/1902267 b/results/classifier/zero-shot/108/other/1902267 new file mode 100644 index 000000000..f04181275 --- /dev/null +++ b/results/classifier/zero-shot/108/other/1902267 @@ -0,0 +1,83 @@ +graphic: 0.900 +performance: 0.854 +other: 0.811 +device: 0.770 +semantic: 0.755 +network: 0.724 +debug: 0.715 +files: 0.659 +PID: 0.643 +socket: 0.626 +permissions: 0.616 +vnc: 0.616 +KVM: 0.595 +boot: 0.480 + +CPU not support 32-bit stack in 32-bit unreal mode + +QEMU version 5.0.0 supports 32-bit and 16-bit unreal mode. Great! +Unfortunately, QEMU does not support 32-bit stack in unreal 32-bit mode. +After the INT instruction, the stack is switched to 16-bit, which should not be the case. +At BOCHS, my code works 100%. At QEMU not works. + +Sample code to find out: + +use32 +cli +mov ax,cs +shl eax,16 +mov ax,NewInt80h +mov [IDT32+4*80h],eax +mov edx,esp +mov esp,0x10000 +int 80h +NewInt80h: +xchg esp,edx +cmp edx,0x10000-6 +jnz IsStack16Bit + +Stack selector loaded from GDT: +GDT: +real32_GDT +dq 0 +dw 0xFFFF,0x0000,9A00h,0xCF ; 32-bit code descriptor +dw 0xFFFF,0x0000,9200h,0x8F ; 4 GB data descriptor +dw 0xFFFF,0x0000,9A00h,0x00 ; 16-bit code descriptor +dw 0xFFFF,0x0000,9200h,0xCF ; 32-bit data descriptor stack + + + + + +The QEMU project is currently moving its bug tracking to another system. +For this we need to know which bugs are still valid and which could be +closed already. Thus we are setting the bug state to "Incomplete" now. + +If the bug has already been fixed in the latest upstream version of QEMU, +then please close this ticket as "Fix released". + +If it is not fixed yet and you think that this bug report here is still +valid, then you have two options: + +1) If you already have an account on gitlab.com, please open a new ticket +for this problem in our new tracker here: + + https://gitlab.com/qemu-project/qemu/-/issues + +and then close this ticket here on Launchpad (or let it expire auto- +matically after 60 days). Please mention the URL of this bug ticket on +Launchpad in the new ticket on GitLab. + +2) If you don't have an account on gitlab.com and don't intend to get +one, but still would like to keep this ticket opened, then please switch +the state back to "New" or "Confirmed" within the next 60 days (other- +wise it will get closed as "Expired"). We will then eventually migrate +the ticket automatically to the new system (but you won't be the reporter +of the bug in the new system and thus you won't get notified on changes +anymore). + +Thank you and sorry for the inconvenience. + + +[Expired for QEMU because there has been no activity for 60 days.] + |