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New working model of strlen #1725

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merged 11 commits into from
Jul 7, 2020
Merged

New working model of strlen #1725

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abe74e6
New working model of strlen - Symbolic Test yet to be updated
sschriner Jun 11, 2020
d267a30
Updated modeling test for all symbolic input
sschriner Jun 12, 2020
73db019
Fixed code climate issue
sschriner Jun 12, 2020
d7f25ba
Adding binary for new test
sschriner Jun 12, 2020
339e90e
Updated test to use sets for compairison
sschriner Jun 12, 2020
878185e
Removed length compairison
sschriner Jun 12, 2020
1036895
Fix argument concretization indexing
ekilmer Jun 23, 2020
b7d71ed
Preserve both model implementation strategies
sschriner Jun 30, 2020
094a447
Corrected formatting
sschriner Jun 30, 2020
c0fe405
Removed whitespace for code climate
sschriner Jun 30, 2020
f6a6aed
Removed whitespace for code climate
sschriner Jun 30, 2020
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6 changes: 3 additions & 3 deletions manticore/native/models.py
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Original file line number Diff line number Diff line change
Expand Up @@ -129,7 +129,7 @@ def strlen(state: State, addr: Union[int, BitVec]) -> Union[int, BitVec]:
"""

if issymbolic(addr):
raise ConcretizeArgument(state.cpu, 0)
raise ConcretizeArgument(state.cpu, 1)

cpu = state.cpu
constrs = state.constraints
Expand Down Expand Up @@ -210,10 +210,10 @@ def strcpy(state: State, dst: Union[int, BitVec], src: Union[int, BitVec]) -> Un
:return: pointer to the dst
"""
if issymbolic(src):
raise ConcretizeArgument(state.cpu, 1)
raise ConcretizeArgument(state.cpu, 2)

if issymbolic(dst):
raise ConcretizeArgument(state.cpu, 0)
raise ConcretizeArgument(state.cpu, 1)
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cpu = state.cpu
constrs = state.constraints
Expand Down