summaryrefslogtreecommitdiffstats
path: root/results/classifier/deepseek-2/reasoning/manual-review/1445
diff options
context:
space:
mode:
authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
commitd0c85e36e4de67af628d54e9ab577cc3fad7796a (patch)
treef8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/deepseek-2/reasoning/manual-review/1445
parent7f4364274750eb8cb39a3e7493132fca1c01232e (diff)
downloademulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz
emulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip
add deepseek and gemma results
Diffstat (limited to 'results/classifier/deepseek-2/reasoning/manual-review/1445')
-rw-r--r--results/classifier/deepseek-2/reasoning/manual-review/144526
1 files changed, 26 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2/reasoning/manual-review/1445 b/results/classifier/deepseek-2/reasoning/manual-review/1445
new file mode 100644
index 00000000..4302f0eb
--- /dev/null
+++ b/results/classifier/deepseek-2/reasoning/manual-review/1445
@@ -0,0 +1,26 @@
+<think>
+
+</think>
+
+The provided log indicates a crash in the QEMU emulator due to a negative size parameter being passed to `memcpy`, which is detected by AddressSanitizer (ASan). This suggests there's a bug in the code that calls `memcpy` with an invalid size argument. The stack trace shows where this issue occurs, starting from `LLVMFuzzerInitialize` in `videzzo_qemu.c` and propagating through various QEMU initialization functions.
+
+### Key Points:
+1. **Crash Cause**: A negative size parameter is passed to `memcpy`, which is invalid and causes the program to abort.
+2. **Location**: The issue occurs in `asan_interceptors_memintrinsics.cpp` at line 22, which intercepts memory operations for ASan.
+3. **Stack Trace**:
+ - The crash originates from `LLVMFuzzerInitialize`.
+ - It propagates through QEMU's initialization functions (`qemu_init`, `machine_run_board_init`, etc.).
+ - The root cause likely lies in the hardware device initialization (`tosa_init`, `tc6393xb_init`, `nand_init`), where a negative size is being passed to `memcpy`.
+
+### Steps to Investigate:
+1. **Review Fuzzer Input**:
+ - Check the input provided to the fuzzer to ensure it's valid and doesn't trigger invalid memory operations.
+2. **Inspect QEMU Initialization**:
+ - Look at the functions in `tosa_init`, `tc6393xb_init`, and `nand_init` to identify where an invalid size might be calculated or passed.
+3. **Check Memory Operations**:
+ - Ensure all calls to `memcpy` (or similar functions) have valid, non-negative size parameters.
+4. **Debug with ASan**:
+ - Use ASan's features to track memory allocations and detect the exact point where the invalid size is used.
+
+### Conclusion:
+The crash indicates a bug in QEMU's initialization process when using the fuzzer. The negative size parameter passed to `memcpy` suggests an issue in how memory operations are handled during device initialization. Investigating the functions in `tosa_init`, `tc6393xb_init`, and `nand_init` will help identify the root cause of this bug. \ No newline at end of file