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Series |
fuzz: improve crash case minimization
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expand
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diff --git a/scripts/oss-fuzz/minimize_qtest_trace.py b/scripts/oss-fuzz/minimize_qtest_trace.py index 4273ee7505..050b9f2195 100755 --- a/scripts/oss-fuzz/minimize_qtest_trace.py +++ b/scripts/oss-fuzz/minimize_qtest_trace.py @@ -243,6 +243,10 @@ def minimize_trace(inpath, outpath): set_zero_minimizer(newtrace, outpath) assert(check_if_trace_crashes(newtrace, outpath)) + # set zero minimizer + set_zero_minimizer(newtrace, outpath) + assert(check_if_trace_crashes(newtrace, outpath)) + if __name__ == '__main__': if len(sys.argv) < 3:
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. Signed-off-by: Qiuhao Li <Qiuhao.Li@outlook.com> --- scripts/oss-fuzz/minimize_qtest_trace.py | 4 ++++ 1 file changed, 4 insertions(+)