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Re: [PATCH v8 5/7] fuzz: set bits in operand of write/out to zero
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [PATCH v8 5/7] fuzz: set bits in operand of write/out to zero |
Date: |
Mon, 11 Jan 2021 10:01:37 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 |
On 1/11/21 7:11 AM, Qiuhao Li wrote:
> Simplifying the crash cases by opportunistically setting bits in operands of
> out/write to zero may help to debug, since usually bit one means turn on or
> trigger a function while zero is the default turn-off setting.
>
> Tested Bug 1908062.
Please use the full link as reference:
https://bugs.launchpad.net/qemu/+bug/1908062
(since this series is fully reviewed, can the
maintainer applying the series do the change
in place?)
Thanks,
Phil.
>
> Signed-off-by: Qiuhao Li <Qiuhao.Li@outlook.com>
> Reviewed-by: Alexander Bulekov <alxndr@bu.edu>
> Tested-by: Alexander Bulekov <alxndr@bu.edu>
> ---
> scripts/oss-fuzz/minimize_qtest_trace.py | 39 ++++++++++++++++++++++++
> 1 file changed, 39 insertions(+)
- [PATCH v8 0/7] fuzz: improve crash case minimization, Qiuhao Li, 2021/01/11
- [PATCH v8 1/7] fuzz: accelerate non-crash detection, Qiuhao Li, 2021/01/11
- [PATCH v8 2/7] fuzz: double the IOs to remove for every loop, Qiuhao Li, 2021/01/11
- [PATCH v8 3/7] fuzz: split write operand using binary approach, Qiuhao Li, 2021/01/11
- [PATCH v8 4/7] fuzz: remove IO commands iteratively, Qiuhao Li, 2021/01/11
- [PATCH v8 5/7] fuzz: set bits in operand of write/out to zero, Qiuhao Li, 2021/01/11
- Re: [PATCH v8 5/7] fuzz: set bits in operand of write/out to zero,
Philippe Mathieu-Daudé <=
[PATCH v8 6/7] fuzz: add minimization options, Qiuhao Li, 2021/01/11
[PATCH v8 7/7] fuzz: heuristic split write based on past IOs, Qiuhao Li, 2021/01/11