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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
| commit | dee4dcba78baf712cab403d47d9db319ab7f95d6 (patch) | |
| tree | 418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/007/semantic | |
| parent | 4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff) | |
| download | qemu-analysis-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz qemu-analysis-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip | |
restructure results
Diffstat (limited to 'results/classifier/007/semantic')
6 files changed, 0 insertions, 259 deletions
diff --git a/results/classifier/007/semantic/gitlab_semantic_addsubps b/results/classifier/007/semantic/gitlab_semantic_addsubps deleted file mode 100644 index d0059f893..000000000 --- a/results/classifier/007/semantic/gitlab_semantic_addsubps +++ /dev/null @@ -1,38 +0,0 @@ -semantic: 0.974 -device: 0.758 -other: 0.732 -graphic: 0.700 -debug: 0.650 -performance: 0.552 -vnc: 0.544 -boot: 0.465 -permissions: 0.443 -socket: 0.426 -network: 0.393 -PID: 0.358 -files: 0.280 -KVM: 0.192 - -x86 SSE/SSE2/SSE3 instruction semantic bugs with NaN - -Description of problem -The result of SSE/SSE2/SSE3 instructions with NaN is different from the CPU. From Intel manual Volume 1 Appendix D.4.2.2, they defined the behavior of such instructions with NaN. But I think QEMU did not implement this semantic exactly because the byte result is different. - -Steps to reproduce - -Compile this code - -void main() { - asm("mov rax, 0x000000007fffffff; push rax; mov rax, 0x00000000ffffffff; push rax; movdqu XMM1, [rsp];"); - asm("mov rax, 0x2e711de7aa46af1a; push rax; mov rax, 0x7fffffff7fffffff; push rax; movdqu XMM2, [rsp];"); - asm("addsubps xmm1, xmm2"); -} - -Execute and compare the result with the CPU. This problem happens with other SSE/SSE2/SSE3 instructions specified in the manual, Volume 1 Appendix D.4.2.2. - -CPU xmm1[3] = 0xffffffff - -QEMU xmm1[3] = 0x7fffffff - -Additional information -This bug is discovered by research conducted by KAIST SoftSec. diff --git a/results/classifier/007/semantic/gitlab_semantic_adox b/results/classifier/007/semantic/gitlab_semantic_adox deleted file mode 100644 index abcd950e3..000000000 --- a/results/classifier/007/semantic/gitlab_semantic_adox +++ /dev/null @@ -1,51 +0,0 @@ -semantic: 0.990 -graphic: 0.782 -device: 0.776 -debug: 0.706 -vnc: 0.663 -boot: 0.599 -socket: 0.556 -permissions: 0.500 -performance: 0.460 -network: 0.426 -files: 0.374 -PID: 0.343 -other: 0.286 -KVM: 0.240 - -x86 ADOX and ADCX semantic bug -Description of problem -The result of instruction ADOX and ADCX are different from the CPU. The value of one of EFLAGS is different. - -Steps to reproduce - -Compile this code - - -void main() { - asm("push 512; popfq;"); - asm("mov rax, 0xffffffff84fdbf24"); - asm("mov rbx, 0xb197d26043bec15d"); - asm("adox eax, ebx"); -} - - - -Execute and compare the result with the CPU. This problem happens with ADCX, too (with CF). - -CPU - -OF = 0 - - -QEMU - -OF = 1 - - - - - - -Additional information -This bug is discovered by research conducted by KAIST SoftSec. diff --git a/results/classifier/007/semantic/gitlab_semantic_bextr b/results/classifier/007/semantic/gitlab_semantic_bextr deleted file mode 100644 index 669cff515..000000000 --- a/results/classifier/007/semantic/gitlab_semantic_bextr +++ /dev/null @@ -1,40 +0,0 @@ -semantic: 0.993 -graphic: 0.790 -device: 0.717 -debug: 0.603 -boot: 0.516 -vnc: 0.471 -socket: 0.397 -PID: 0.234 -performance: 0.233 -network: 0.219 -permissions: 0.188 -other: 0.099 -files: 0.099 -KVM: 0.091 - -x86 BEXTR semantic bug -Description of problem -The result of instruction BEXTR is different with from the CPU. The value of destination register is different. I think QEMU does not consider the operand size limit. - -Steps to reproduce - -Compile this code - -void main() { - asm("mov rax, 0x17b3693f77fb6e9"); - asm("mov rbx, 0x8f635a775ad3b9b4"); - asm("mov rcx, 0xb717b75da9983018"); - asm("bextr eax, ebx, ecx"); -} - -Execute and compare the result with the CPU. - -CPU -RAX = 0x5a - -QEMU -RAX = 0x635a775a - -Additional information -This bug is discovered by research conducted by KAIST SoftSec. diff --git a/results/classifier/007/semantic/gitlab_semantic_blsi b/results/classifier/007/semantic/gitlab_semantic_blsi deleted file mode 100644 index 3e01589a9..000000000 --- a/results/classifier/007/semantic/gitlab_semantic_blsi +++ /dev/null @@ -1,35 +0,0 @@ -semantic: 0.983 -graphic: 0.873 -device: 0.790 -socket: 0.764 -vnc: 0.756 -boot: 0.678 -network: 0.672 -performance: 0.656 -files: 0.633 -permissions: 0.619 -other: 0.609 -debug: 0.525 -PID: 0.488 -KVM: 0.412 - -x86 BLSI and BLSR semantic bug -Description of problem -The result of instruction BLSI and BLSR is different from the CPU. The value of CF is different. - -Steps to reproduce - -Compile this code - - -void main() { - asm("blsi rax, rbx"); -} - - - -Execute and compare the result with the CPU. The value of CF is exactly the opposite. This problem happens with BLSR, too. - - -Additional information -This bug is discovered by research conducted by KAIST SoftSec. diff --git a/results/classifier/007/semantic/gitlab_semantic_blsmsk b/results/classifier/007/semantic/gitlab_semantic_blsmsk deleted file mode 100644 index 45bb634d4..000000000 --- a/results/classifier/007/semantic/gitlab_semantic_blsmsk +++ /dev/null @@ -1,42 +0,0 @@ -semantic: 0.987 -device: 0.743 -graphic: 0.735 -vnc: 0.612 -socket: 0.607 -boot: 0.585 -debug: 0.428 -permissions: 0.370 -network: 0.366 -files: 0.340 -PID: 0.289 -other: 0.269 -performance: 0.268 -KVM: 0.163 - -x86 BLSMSK semantic bug -Description of problem -The result of instruction BLSMSK is different with from the CPU. The value of CF is different. - -Steps to reproduce - -Compile this code - -void main() { - asm("mov rax, 0x65b2e276ad27c67"); - asm("mov rbx, 0x62f34955226b2b5d"); - asm("blsmsk eax, ebx"); -} - -Execute and compare the result with the CPU. - -CPU - -CF = 0 - - -QEMU - -CF = 1 - -Additional information -This bug is discovered by research conducted by KAIST SoftSec. diff --git a/results/classifier/007/semantic/gitlab_semantic_bzhi b/results/classifier/007/semantic/gitlab_semantic_bzhi deleted file mode 100644 index 253ab4184..000000000 --- a/results/classifier/007/semantic/gitlab_semantic_bzhi +++ /dev/null @@ -1,53 +0,0 @@ -semantic: 0.920 -graphic: 0.652 -device: 0.589 -vnc: 0.287 -debug: 0.256 -boot: 0.220 -network: 0.203 -socket: 0.198 -performance: 0.165 -PID: 0.130 -permissions: 0.069 -other: 0.064 -KVM: 0.064 -files: 0.051 - -x86 BZHI semantic bug -Description of problem -The result of instruction BZHI is different from the CPU. The value of destination register and SF of EFLAGS are different. - -Steps to reproduce - -Compile this code - - -void main() { - asm("mov rax, 0xb1aa9da2fe33fe3"); - asm("mov rbx, 0x80000000ffffffff"); - asm("mov rcx, 0xf3fce8829b99a5c6"); - asm("bzhi rax, rbx, rcx"); -} - - - -Execute and compare the result with the CPU. - -CPU - -RAX = 0x0x80000000ffffffff -SF = 1 - - -QEMU - -RAX = 0xffffffff -SF = 0 - - - - - - -Additional information -This bug is discovered by research conducted by KAIST SoftSec. |