diff options
Diffstat (limited to 'classification')
| -rwxr-xr-x | classification/main.py | 2 | ||||
| -rw-r--r-- | classification/semantic_issues/gitlab_semantic_addsubps | 23 | ||||
| -rw-r--r-- | classification/semantic_issues/gitlab_semantic_adox | 36 | ||||
| -rw-r--r-- | classification/semantic_issues/gitlab_semantic_bextr | 25 | ||||
| -rw-r--r-- | classification/semantic_issues/gitlab_semantic_blsi | 20 | ||||
| -rw-r--r-- | classification/semantic_issues/gitlab_semantic_blsmsk | 27 | ||||
| -rw-r--r-- | classification/semantic_issues/gitlab_semantic_bzhi | 38 |
7 files changed, 1 insertions, 170 deletions
diff --git a/classification/main.py b/classification/main.py index 46ce6488..95ef8098 100755 --- a/classification/main.py +++ b/classification/main.py @@ -38,7 +38,7 @@ def main(): bugs = list_files_recursive("../results/scraper/mailinglist") if args.minimal: - bugs = bugs + list_files_recursive("./semantic_issues") + bugs = bugs + list_files_recursive("../results/gitlab/scraper/semantic_issues") else: bugs = bugs + list_files_recursive("../results/scraper/launchpad") bugs = bugs + list_files_recursive("../results/scraper/gitlab/issues_text") diff --git a/classification/semantic_issues/gitlab_semantic_addsubps b/classification/semantic_issues/gitlab_semantic_addsubps deleted file mode 100644 index 60438ff0..00000000 --- a/classification/semantic_issues/gitlab_semantic_addsubps +++ /dev/null @@ -1,23 +0,0 @@ -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/classification/semantic_issues/gitlab_semantic_adox b/classification/semantic_issues/gitlab_semantic_adox deleted file mode 100644 index 9f4471c9..00000000 --- a/classification/semantic_issues/gitlab_semantic_adox +++ /dev/null @@ -1,36 +0,0 @@ -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/classification/semantic_issues/gitlab_semantic_bextr b/classification/semantic_issues/gitlab_semantic_bextr deleted file mode 100644 index dabe16ac..00000000 --- a/classification/semantic_issues/gitlab_semantic_bextr +++ /dev/null @@ -1,25 +0,0 @@ -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/classification/semantic_issues/gitlab_semantic_blsi b/classification/semantic_issues/gitlab_semantic_blsi deleted file mode 100644 index 92ff92b0..00000000 --- a/classification/semantic_issues/gitlab_semantic_blsi +++ /dev/null @@ -1,20 +0,0 @@ -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/classification/semantic_issues/gitlab_semantic_blsmsk b/classification/semantic_issues/gitlab_semantic_blsmsk deleted file mode 100644 index b950faa2..00000000 --- a/classification/semantic_issues/gitlab_semantic_blsmsk +++ /dev/null @@ -1,27 +0,0 @@ -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/classification/semantic_issues/gitlab_semantic_bzhi b/classification/semantic_issues/gitlab_semantic_bzhi deleted file mode 100644 index b86da08c..00000000 --- a/classification/semantic_issues/gitlab_semantic_bzhi +++ /dev/null @@ -1,38 +0,0 @@ -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. |