| Message ID | MEAPR01MB349464ED835FE8243FB09100FCAE0@MEAPR01MB3494.ausprd01.prod.outlook.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | fuzz: improve crash case minimization | expand |
Hi Qiuhao, Can you add my Reviewed-by: tags to the patches that I have reviewed? Thanks -Alex On 210108 1044, Qiuhao Li wrote: > Extend and refine the crash case minimization process. > > Test input: > Bug 1909261 full_reproducer > 6500 QTest instructions (write mostly) > > Refined (-M1 minimization level) vs. Original version: > real 38m31.942s <-- real 532m57.192s > user 28m18.188s <-- user 89m0.536s > sys 12m42.239s <-- sys 50m33.074s > 2558 instructions <-- 2846 instructions > > Test Enviroment: > i7-8550U, 16GB LPDDR3, SSD > Ubuntu 20.04.1 5.4.0-58-generic x86_64 > Python 3.8.5 > > v5: > Fix: send SIGKILL on timeout > Fix: rename minimization functions > > v4: > Fix: messy diff in [PATCH v3 4/7] > > v3: > Fix: checkpatch.pl errors > > v2: > New: [PATCH v2 1/7] > New: [PATCH v2 2/7] > New: [PATCH v2 4/7] > New: [PATCH v2 6/7] > New: [PATCH v2 7/7] > Fix: [PATCH 2/4] split using binary approach > Fix: [PATCH 3/4] typo in comments > Discard: [PATCH 1/4] the hardcoded regex match for crash detection > Discard: [PATCH 4/4] the delaying minimizer > > Thanks for the suggestions from: > Alexander Bulekov > > Qiuhao Li (7): > fuzz: accelerate non-crash detection > fuzz: double the IOs to remove for every loop > fuzz: split write operand using binary approach > fuzz: remove IO commands iteratively > fuzz: set bits in operand of write/out to zero > fuzz: add minimization options > fuzz: heuristic split write based on past IOs > > scripts/oss-fuzz/minimize_qtest_trace.py | 257 ++++++++++++++++++----- > 1 file changed, 210 insertions(+), 47 deletions(-) > > -- > 2.25.1 >
On Thu, 2021-01-07 at 23:30 -0500, Alexander Bulekov wrote: > Hi Qiuhao, > Can you add my Reviewed-by: tags to the patches that I have reviewed? > Thanks > -Alex Ok, fixed in version 6, thanks. > > On 210108 1044, Qiuhao Li wrote: > > Extend and refine the crash case minimization process. > > > > Test input: > > Bug 1909261 full_reproducer > > 6500 QTest instructions (write mostly) > > > > Refined (-M1 minimization level) vs. Original version: > > real 38m31.942s <-- real 532m57.192s > > user 28m18.188s <-- user 89m0.536s > > sys 12m42.239s <-- sys 50m33.074s > > 2558 instructions <-- 2846 instructions > > > > Test Enviroment: > > i7-8550U, 16GB LPDDR3, SSD > > Ubuntu 20.04.1 5.4.0-58-generic x86_64 > > Python 3.8.5 > > > > v5: > > Fix: send SIGKILL on timeout > > Fix: rename minimization functions > > > > v4: > > Fix: messy diff in [PATCH v3 4/7] > > > > v3: > > Fix: checkpatch.pl errors > > > > v2: > > New: [PATCH v2 1/7] > > New: [PATCH v2 2/7] > > New: [PATCH v2 4/7] > > New: [PATCH v2 6/7] > > New: [PATCH v2 7/7] > > Fix: [PATCH 2/4] split using binary approach > > Fix: [PATCH 3/4] typo in comments > > Discard: [PATCH 1/4] the hardcoded regex match for crash > > detection > > Discard: [PATCH 4/4] the delaying minimizer > > > > Thanks for the suggestions from: > > Alexander Bulekov > > > > Qiuhao Li (7): > > fuzz: accelerate non-crash detection > > fuzz: double the IOs to remove for every loop > > fuzz: split write operand using binary approach > > fuzz: remove IO commands iteratively > > fuzz: set bits in operand of write/out to zero > > fuzz: add minimization options > > fuzz: heuristic split write based on past IOs > > > > scripts/oss-fuzz/minimize_qtest_trace.py | 257 ++++++++++++++++++- > > ---- > > 1 file changed, 210 insertions(+), 47 deletions(-) > > > > -- > > 2.25.1 > >