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fuzz: fuzz offsets within pio/mmio regions

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The code did not add offsets to FlatRange bases, so we did not fuzz
offsets within device MemoryRegions.

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-Id: <20201029172901.534442-4-alxndr@bu.edu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Alexander Bulekov 2020-10-29 13:29:00 -04:00 committed by Paolo Bonzini
parent cc3d99c741
commit 953e6d7c0e
1 changed files with 5 additions and 0 deletions
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5
tests/qtest/fuzz/generic_fuzz.c
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@ -298,6 +298,11 @@ static bool get_io_address(address_range *result, AddressSpace *as,
} while (cb_info.index != index && !cb_info.found);
*result = cb_info.result;
if (result->size) {
offset = offset % result->size;
result->addr += offset;
result->size -= offset;
}
return cb_info.found;
}