diff options
Diffstat (limited to 'results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction')
5 files changed, 53 insertions, 0 deletions
diff --git a/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/1156313 b/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/1156313 new file mode 100644 index 00000000..17a35d8c --- /dev/null +++ b/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/1156313 @@ -0,0 +1,7 @@ +The bug report describes issues related to improper handling of flags on x86-64, specifically mentioning the ADX feature and providing a test case involving assembly instructions (ADOX and ADCX). The problem seems to stem from how QEMU manages CPU flags during context switches, which affects instruction execution. Therefore, it falls under the category where a faulty instruction is described. + +**instruction** + +The bug report discusses improper handling of specific x86-64 instructions (ADOX and ADCX) within the QEMU emulator. It provides an example test case that demonstrates incorrect behavior when these instructions are executed in a virtualized environment. The issue appears to be related to how QEMU manages CPU flags, leading to unexpected results or system instability. + +The category **instruction** is appropriate because the problem is directly tied to the execution of specific assembly instructions and their handling within the emulator, indicating a potential fault in how these instructions are processed by QEMU. \ No newline at end of file diff --git a/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/1267955 b/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/1267955 new file mode 100644 index 00000000..b2294aad --- /dev/null +++ b/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/1267955 @@ -0,0 +1,27 @@ +The issue involves the behavior of the XOR instruction affecting the parity flag in QEMU's i386 emulation. The bug is related to how the emulator handles specific instructions and their impact on CPU flags. + +**Step-by-step explanation:** + +1. **Reproduction Steps:** + - A program was created with machine code that includes `xor %eax, %eax` followed by other instructions. + - Running this program directly outputs `0x46`. + - Running it under QEMU's i386 emulator outputs `0x42`. + +2. **Analysis of the XOR Instruction:** + - The `xor %eax, %eax` instruction sets `%eax` to 0 and affects CPU flags. + - In this case, the parity flag (`PF`) should be set because the result is zero. + +3. **Parity Flag Behavior:** + - The parity flag is set based on whether there are an even number of 1s in the lower byte of the result. + - Zero (0x00) has all bits as 0, which results in even parity, so `PF` should be set. + +4. **Issue Identification:** + - When using `xor %eax, %eax`, QEMU does not correctly set the parity flag, leading to unexpected behavior. + - Replacing it with `sub %eax, %eax` (which also sets `%eax` to 0) works as expected. + +5. **Conclusion:** + - The problem lies in how QEMU handles the XOR instruction's effect on the parity flag compared to other instructions that produce the same result. + +**Answer:** + +The bug is classified under the `instruction` category because it relates to how a specific instruction (XOR) affects CPU flags within QEMU. \ No newline at end of file diff --git a/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/1541 b/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/1541 new file mode 100644 index 00000000..c43611b5 --- /dev/null +++ b/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/1541 @@ -0,0 +1,5 @@ +The problem is related to how attributes are applied in C++. The `G_NORETURN` macro expands to `[[noreturn]]`, which is an attribute specifier. In C++, attribute specifiers must appear in specific positions, typically before the return type or after certain keywords like `extern`. Placing `extern` after `G_NORETURN` causes a syntax error because it's not valid for the attribute to come after the storage class specifier. + +To fix this, you should switch the order of `extern` and `G_NORETURN`, placing the attribute before `extern`. + +This issue is related to **instruction** as it involves incorrect usage of language features leading to compilation errors. \ No newline at end of file diff --git a/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/1737444 b/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/1737444 new file mode 100644 index 00000000..d0b09673 --- /dev/null +++ b/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/1737444 @@ -0,0 +1,9 @@ +The crash occurs when running a conftest program on qemu-sh4 that works correctly on a real SH7785LCR board. The issue seems to be related to how the setcontext function is handled in QEMU for the SH4 architecture. + +Looking at the provided code, it's using `ucontext.h` and `pthread.h`, which are standard libraries for context switching and threading. The test sets up a thread with TLS (Thread Local Storage) and uses `makecontext` and `setcontext` to switch execution contexts. + +The error message from QEMU indicates an "Unhandled trap: 0x180" at the instruction pointer `pc=0x7f69235e`. This suggests that during the execution of the context switch, an unexpected exception or interrupt is being triggered. On the real hardware, this doesn't happen, implying that either QEMU's emulation isn't handling the SH4 architecture correctly in this scenario or there's a bug in how the setcontext function is implemented or used. + +Given that the problem arises during runtime when executing specific instructions (the context switch), and since it works on real hardware but not in QEMU, it points towards an issue with QEMU's handling of the SH4 architecture for certain operations, possibly related to exception handling or stack switching. + +Therefore, this bug falls under the **instruction** category as it involves a problem with how instructions are executed in the emulator. \ No newline at end of file diff --git a/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/449 b/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/449 new file mode 100644 index 00000000..b1ab4009 --- /dev/null +++ b/results/classifier/no-thinking-deepseek-r1:32b/reasoning/instruction/449 @@ -0,0 +1,5 @@ +The bug report describes an assertion failure when running a Go program that uses vector instructions on s390x under QEMU. The issue is traced to specific patches applied to QEMU's master branch. The crash occurs during runtime due to an assertion in the vector instruction handling, which suggests it's related to how instructions are translated or executed. + +**Category: instruction** + +The error arises from faulty instruction translation or execution within QEMU, specifically for s390x vector operations. \ No newline at end of file |