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[inferbo] Update pp of buffer overflow condition

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Reviewed By: mbouaziz

Differential Revision: D10851743

fbshipit-source-id: 1f06e3b64
master
Sungkeun Cho 6 years ago committed by Facebook Github Bot
parent 1094a8224c
commit 120c8785eb
4 changed files with 16 additions and 10 deletions
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11
infer/src/bufferoverrun/bufferOverrunProofObligations.ml
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@ -122,11 +122,16 @@ module ArrayAccessCondition = struct
c.size_sym_exp Relation.pp c.relation c.size_sym_exp Relation.pp c.relation
(* TODO: change description to distinguish offset and index *)
let pp_description : F.formatter -> t -> unit = let pp_description : F.formatter -> t -> unit =
fun fmt c -> fun fmt c ->
F.fprintf fmt "Offset: %a Size: %a" ItvPure.pp (ItvPure.plus c.offset c.idx) ItvPure.pp let pp_offset fmt =
(ItvPure.make_positive c.size) if ItvPure.is_zero c.offset then ItvPure.pp fmt c.idx
else if ItvPure.is_zero c.idx then ItvPure.pp fmt c.offset
else
F.fprintf fmt "%a (= %a + %a)" ItvPure.pp (ItvPure.plus c.offset c.idx) ItvPure.pp c.offset
ItvPure.pp c.idx
in
F.fprintf fmt "Offset: %t Size: %a" pp_offset ItvPure.pp (ItvPure.make_positive c.size)
let make : let make :

8
infer/tests/codetoanalyze/c/bufferoverrun/issues.exp
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@ -138,10 +138,10 @@ codetoanalyze/c/bufferoverrun/nested_loop.c, nested_loop4_Bad, 6, BUFFER_OVERRUN
codetoanalyze/c/bufferoverrun/nested_loop_with_label.c, nested_loop_with_label, 4, CONDITION_ALWAYS_TRUE, no_bucket, WARNING, [] codetoanalyze/c/bufferoverrun/nested_loop_with_label.c, nested_loop_with_label, 4, CONDITION_ALWAYS_TRUE, no_bucket, WARNING, []
codetoanalyze/c/bufferoverrun/nested_loop_with_label.c, nested_loop_with_label, 6, BUFFER_OVERRUN_L2, no_bucket, ERROR, [ArrayDeclaration,Assignment,ArrayAccess: Offset: [0, 10] Size: 10] codetoanalyze/c/bufferoverrun/nested_loop_with_label.c, nested_loop_with_label, 6, BUFFER_OVERRUN_L2, no_bucket, ERROR, [ArrayDeclaration,Assignment,ArrayAccess: Offset: [0, 10] Size: 10]
codetoanalyze/c/bufferoverrun/nested_loop_with_label.c, nested_loop_with_label, 7, CONDITION_ALWAYS_TRUE, no_bucket, WARNING, [] codetoanalyze/c/bufferoverrun/nested_loop_with_label.c, nested_loop_with_label, 7, CONDITION_ALWAYS_TRUE, no_bucket, WARNING, []
codetoanalyze/c/bufferoverrun/pointer_arith.c, FP_pointer_arith5_Ok, 5, BUFFER_OVERRUN_L2, no_bucket, ERROR, [ArrayDeclaration,Assignment,ArrayAccess: Offset: [3, 2043] Size: 1024] codetoanalyze/c/bufferoverrun/pointer_arith.c, FP_pointer_arith5_Ok, 5, BUFFER_OVERRUN_L2, no_bucket, ERROR, [ArrayDeclaration,Assignment,ArrayAccess: Offset: [3, 2043] (= [0, 1020] + [3, 1023]) Size: 1024]
codetoanalyze/c/bufferoverrun/pointer_arith.c, array_pointer_arith_Bad, 3, BUFFER_OVERRUN_L1, no_bucket, ERROR, [ArrayDeclaration,Assignment,ArrayAccess: Offset: 10 Size: 10] codetoanalyze/c/bufferoverrun/pointer_arith.c, array_pointer_arith_Bad, 3, BUFFER_OVERRUN_L1, no_bucket, ERROR, [ArrayDeclaration,Assignment,ArrayAccess: Offset: 10 (= 5 + 5) Size: 10]
codetoanalyze/c/bufferoverrun/pointer_arith.c, call_pointer_arith3_Bad, 2, BUFFER_OVERRUN_L1, no_bucket, ERROR, [ArrayDeclaration,Call,Parameter: p,Parameter: x,ArrayAccess: Offset: 10 Size: 5 by call to `pointer_arith3` ] codetoanalyze/c/bufferoverrun/pointer_arith.c, call_pointer_arith3_Bad, 2, BUFFER_OVERRUN_L1, no_bucket, ERROR, [ArrayDeclaration,Call,Parameter: p,Parameter: x,ArrayAccess: Offset: 10 (= 100 + -90) Size: 5 by call to `pointer_arith3` ]
codetoanalyze/c/bufferoverrun/pointer_arith.c, call_pointer_arith4_Bad, 0, BUFFER_OVERRUN_L1, no_bucket, ERROR, [Call,ArrayDeclaration,Parameter: x,ArrayAccess: Offset: 10 Size: 5 by call to `FN_pointer_arith4_Bad` ] codetoanalyze/c/bufferoverrun/pointer_arith.c, call_pointer_arith4_Bad, 0, BUFFER_OVERRUN_L1, no_bucket, ERROR, [Call,ArrayDeclaration,Parameter: x,ArrayAccess: Offset: 10 (= 100 + -90) Size: 5 by call to `FN_pointer_arith4_Bad` ]
codetoanalyze/c/bufferoverrun/pointer_arith.c, pointer_arith_bad, 4, BUFFER_OVERRUN_L1, no_bucket, ERROR, [ArrayDeclaration,ArrayAccess: Offset: 10 Size: 10] codetoanalyze/c/bufferoverrun/pointer_arith.c, pointer_arith_bad, 4, BUFFER_OVERRUN_L1, no_bucket, ERROR, [ArrayDeclaration,ArrayAccess: Offset: 10 Size: 10]
codetoanalyze/c/bufferoverrun/prune_alias.c, FP_prune_alias_exp_Ok, 4, BUFFER_OVERRUN_L1, no_bucket, ERROR, [ArrayDeclaration,ArrayAccess: Offset: 1 Size: 1] codetoanalyze/c/bufferoverrun/prune_alias.c, FP_prune_alias_exp_Ok, 4, BUFFER_OVERRUN_L1, no_bucket, ERROR, [ArrayDeclaration,ArrayAccess: Offset: 1 Size: 1]
codetoanalyze/c/bufferoverrun/prune_alias.c, call_prune_arrblk_ne_Bad, 2, BUFFER_OVERRUN_L1, no_bucket, ERROR, [ArrayDeclaration,Assignment,Call,Parameter: x,ArrayAccess: Offset: 5 Size: 5 by call to `prune_arrblk_ne` ] codetoanalyze/c/bufferoverrun/prune_alias.c, call_prune_arrblk_ne_Bad, 2, BUFFER_OVERRUN_L1, no_bucket, ERROR, [ArrayDeclaration,Assignment,Call,Parameter: x,ArrayAccess: Offset: 5 Size: 5 by call to `prune_arrblk_ne` ]

4
infer/tests/codetoanalyze/cpp/bufferoverrun/issues.exp
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@ -34,8 +34,8 @@ codetoanalyze/cpp/bufferoverrun/relation.cpp, FP_call2_minus_params_Ok, 0, BUFFE
codetoanalyze/cpp/bufferoverrun/relation.cpp, FP_call3_plus_params2_Ok, 0, BUFFER_OVERRUN_L1, no_bucket, ERROR, [Call,ArrayDeclaration,Parameter: x,ArrayAccess: Offset: -1 Size: 5 by call to `plus_params2` ] codetoanalyze/cpp/bufferoverrun/relation.cpp, FP_call3_plus_params2_Ok, 0, BUFFER_OVERRUN_L1, no_bucket, ERROR, [Call,ArrayDeclaration,Parameter: x,ArrayAccess: Offset: -1 Size: 5 by call to `plus_params2` ]
codetoanalyze/cpp/bufferoverrun/relation.cpp, FP_call3_plus_params_Ok, 0, BUFFER_OVERRUN_L1, no_bucket, ERROR, [Call,ArrayDeclaration,Parameter: x,ArrayAccess: Offset: -1 Size: 5 by call to `plus_params` ] codetoanalyze/cpp/bufferoverrun/relation.cpp, FP_call3_plus_params_Ok, 0, BUFFER_OVERRUN_L1, no_bucket, ERROR, [Call,ArrayDeclaration,Parameter: x,ArrayAccess: Offset: -1 Size: 5 by call to `plus_params` ]
codetoanalyze/cpp/bufferoverrun/relation.cpp, FP_call_id_Ok, 4, BUFFER_OVERRUN_L3, no_bucket, ERROR, [Assignment,Call,Assignment,Return,Assignment,ArrayDeclaration,Assignment,Assignment,ArrayAccess: Offset: 5 Size: [0, 6]] codetoanalyze/cpp/bufferoverrun/relation.cpp, FP_call_id_Ok, 4, BUFFER_OVERRUN_L3, no_bucket, ERROR, [Assignment,Call,Assignment,Return,Assignment,ArrayDeclaration,Assignment,Assignment,ArrayAccess: Offset: 5 Size: [0, 6]]
codetoanalyze/cpp/bufferoverrun/relation.cpp, FP_call_loop_with_type_casting_Ok, 2, BUFFER_OVERRUN_L1, no_bucket, ERROR, [ArrayDeclaration,Assignment,Call,Parameter: data,Assignment,ArrayAccess: Offset: [2, +oo] Size: 1 by call to `loop_with_type_casting` ] codetoanalyze/cpp/bufferoverrun/relation.cpp, FP_call_loop_with_type_casting_Ok, 2, BUFFER_OVERRUN_L1, no_bucket, ERROR, [ArrayDeclaration,Assignment,Call,Parameter: data,Assignment,ArrayAccess: Offset: [2, +oo] (= [0, +oo] + 2) Size: 1 by call to `loop_with_type_casting` ]
codetoanalyze/cpp/bufferoverrun/relation.cpp, FP_loop2_Ok, 9, BUFFER_OVERRUN_L4, no_bucket, ERROR, [Assignment,ArrayDeclaration,Assignment,ArrayAccess: Offset: [2, +oo] Size: 12] codetoanalyze/cpp/bufferoverrun/relation.cpp, FP_loop2_Ok, 9, BUFFER_OVERRUN_L4, no_bucket, ERROR, [Assignment,ArrayDeclaration,Assignment,ArrayAccess: Offset: [2, +oo] (= [0, +oo] + 2) Size: 12]
codetoanalyze/cpp/bufferoverrun/relation.cpp, call2_loop_Bad, 2, BUFFER_OVERRUN_L4, no_bucket, ERROR, [ArrayDeclaration,Call,Parameter: arr,ArrayAccess: Offset: [0, +oo] Size: 5 by call to `loop` ] codetoanalyze/cpp/bufferoverrun/relation.cpp, call2_loop_Bad, 2, BUFFER_OVERRUN_L4, no_bucket, ERROR, [ArrayDeclaration,Call,Parameter: arr,ArrayAccess: Offset: [0, +oo] Size: 5 by call to `loop` ]
codetoanalyze/cpp/bufferoverrun/relation.cpp, call2_plus_params2_Bad, 0, BUFFER_OVERRUN_L1, no_bucket, ERROR, [Call,ArrayDeclaration,Parameter: x,ArrayAccess: Offset: 11 Size: 5 by call to `plus_params2` ] codetoanalyze/cpp/bufferoverrun/relation.cpp, call2_plus_params2_Bad, 0, BUFFER_OVERRUN_L1, no_bucket, ERROR, [Call,ArrayDeclaration,Parameter: x,ArrayAccess: Offset: 11 Size: 5 by call to `plus_params2` ]
codetoanalyze/cpp/bufferoverrun/relation.cpp, call2_plus_params_Bad, 0, BUFFER_OVERRUN_L1, no_bucket, ERROR, [Call,ArrayDeclaration,Parameter: x,ArrayAccess: Offset: 11 Size: 5 by call to `plus_params` ] codetoanalyze/cpp/bufferoverrun/relation.cpp, call2_plus_params_Bad, 0, BUFFER_OVERRUN_L1, no_bucket, ERROR, [Call,ArrayDeclaration,Parameter: x,ArrayAccess: Offset: 11 Size: 5 by call to `plus_params` ]

3
infer/tests/codetoanalyze/java/performance/issues.exp
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@ -126,7 +126,8 @@ codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addKeyToMap(java.lang.String):void, 0, INFINITE_EXECUTION_TIME_CALL, no_bucket, ERROR, [] codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addKeyToMap(java.lang.String):void, 0, INFINITE_EXECUTION_TIME_CALL, no_bucket, ERROR, []
codetoanalyze/java/performance/JsonString.java, libraries.marauder.analytics.utils.json.JsonString.<init>(java.lang.String), 0, INFINITE_EXECUTION_TIME_CALL, no_bucket, ERROR, [] codetoanalyze/java/performance/JsonString.java, libraries.marauder.analytics.utils.json.JsonString.<init>(java.lang.String), 0, INFINITE_EXECUTION_TIME_CALL, no_bucket, ERROR, []
codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.escape(java.lang.StringBuilder,java.lang.String):void, 0, INFINITE_EXECUTION_TIME_CALL, no_bucket, ERROR, [] codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.escape(java.lang.StringBuilder,java.lang.String):void, 0, INFINITE_EXECUTION_TIME_CALL, no_bucket, ERROR, []
codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.escape(java.lang.StringBuilder,java.lang.String):void, 1, BUFFER_OVERRUN_U5, no_bucket, ERROR, [Unknown value from: char[] String.toCharArray(),Assignment,Assignment,ArrayAccess: Offset: [-oo, +oo] Size: [0, +oo]] codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.escape(java.lang.StringBuilder,java.lang.String):void, 1, BUFFER_OVERRUN_U5, no_bucket, ERROR, [Unknown value from: char[] String.toCharArray(),Assignment,ArrayAccess: Offset: [-oo, +oo] Size: [0, +oo]]
codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.escape(java.lang.StringBuilder,java.lang.String):void, 1, BUFFER_OVERRUN_U5, no_bucket, ERROR, [Unknown value from: char[] String.toCharArray(),Assignment,Assignment,ArrayAccess: Offset: [-oo, +oo] (= [-oo, +oo] + [0, +oo]) Size: [0, +oo]]
codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.escape(java.lang.StringBuilder,java.lang.String):void, 1, INTEGER_OVERFLOW_L5, no_bucket, ERROR, [Assignment,Binop: ([0, +oo] + 1):signed32] codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.escape(java.lang.StringBuilder,java.lang.String):void, 1, INTEGER_OVERFLOW_L5, no_bucket, ERROR, [Assignment,Binop: ([0, +oo] + 1):signed32]
codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.serialize(java.lang.String):java.lang.StringBuilder, 0, INFINITE_EXECUTION_TIME_CALL, no_bucket, ERROR, [] codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.serialize(java.lang.String):java.lang.StringBuilder, 0, INFINITE_EXECUTION_TIME_CALL, no_bucket, ERROR, []
codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.serialize(java.lang.StringBuilder,java.lang.String):void, 0, INFINITE_EXECUTION_TIME_CALL, no_bucket, ERROR, [] codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.serialize(java.lang.StringBuilder,java.lang.String):void, 0, INFINITE_EXECUTION_TIME_CALL, no_bucket, ERROR, []

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