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-rw-r--r--erts/emulator/test/binary_SUITE.erl11
1 files changed, 9 insertions, 2 deletions
diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl
index 44b6bbe785..db2b3e10db 100644
--- a/erts/emulator/test/binary_SUITE.erl
+++ b/erts/emulator/test/binary_SUITE.erl
@@ -580,11 +580,18 @@ corrupter(Term) ->
?line corrupter(CompressedBin, size(CompressedBin)-1).
corrupter(Bin, Pos) when Pos >= 0 ->
- ?line {ShorterBin, _} = split_binary(Bin, Pos),
+ ?line {ShorterBin, Rest} = split_binary(Bin, Pos),
?line catch binary_to_term(ShorterBin), %% emulator shouldn't crash
?line MovedBin = list_to_binary([ShorterBin]),
?line catch binary_to_term(MovedBin), %% emulator shouldn't crash
- ?line corrupter(MovedBin, Pos-1);
+
+ %% Bit faults, shouldn't crash
+ <<Byte,Tail/binary>> = Rest,
+ Fun = fun(M) -> FaultyByte = Byte bxor M,
+ catch binary_to_term(<<ShorterBin/binary,
+ FaultyByte, Tail/binary>>) end,
+ ?line lists:foreach(Fun,[1,2,4,8,16,32,64,128,255]),
+ ?line corrupter(Bin, Pos-1);
corrupter(_Bin, _) ->
ok.