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authorChristian Krinitsin <mail@krinitsin.com>2025-06-03 14:41:43 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-06-03 14:41:43 +0200
commitd760c82f4244dc47f5413c3c88b640bb1f0f2d9e (patch)
treeba963e9c548a5f19da2665005ce85946c601cd36 /results/scraper/gitlab/semantic_issues/gitlab_semantic_blsi
parent256709d2eb3fd80d768a99964be5caa61effa2a0 (diff)
downloademulator-bug-study-d760c82f4244dc47f5413c3c88b640bb1f0f2d9e.tar.gz
emulator-bug-study-d760c82f4244dc47f5413c3c88b640bb1f0f2d9e.zip
move semantic_issues dir to results
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+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.