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Fix memory leak in RecordVal JSON formatting

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This commit is contained in:
Jon Siwek 2019-09-30 19:02:33 -07:00
parent 97519e4350
commit d258ebe5ca
2 changed files with 142 additions and 0 deletions
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2
src/Val.cc
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@ -607,6 +607,8 @@ static ZeekJson BuildJSON(Val* val, bool only_loggable=false, RE_Matcher* re=new
if ( value && ( ! only_loggable || key_field->Lookup("log")->AsBool() ) )
j[key_string] = BuildJSON(value, only_loggable, re);
Unref(value);
}
delete fields;

140
testing/btest/core/leaks/to_json.zeek Normal file
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@ -0,0 +1,140 @@
# Needs perftools support.
#
# @TEST-GROUP: leaks
#
# @TEST-REQUIRES: zeek --help 2>&1 | grep -q mem-leaks
#
# @TEST-EXEC: HEAP_CHECK_DUMP_DIRECTORY=. HEAPCHECK=local btest-bg-run zeek zeek -m -b -r $TRACES/wikipedia.trace %INPUT
# @TEST-EXEC: btest-bg-wait 60
type color: enum { Red, White, Blue };
type myrec1: record {
c: count &optional;
s: string &log;
};
type myrec2: record {
m: myrec1 &log;
};
global did_it = F;
event new_connection(myconn: connection)
{
if ( did_it )
return;
did_it = T;
# #####################################
# Test the basic (non-container) types:
local b: bool = T;
print to_json(b);
local c: count = 123;
print to_json(c);
local i: int = -999;
print to_json(i);
local d1: double = 3.14;
local d2: double = -1.23456789e308;
local d3: double = 9e-308;
print to_json(d1);
print to_json(d2);
print to_json(d3);
local t: time = double_to_time(1480788576.868945);
print to_json(t);
local ti: interval = -12hr;
print to_json(ti);
local s1: string = "hello";
local s2: string = "";
print to_json(s1);
print to_json(s2);
local p1: port = 65535/tcp;
local p2: port = 1/udp;
local p3: port = 123/icmp;
local p4: port = 0/unknown;
print to_json(p1);
print to_json(p2);
print to_json(p3);
print to_json(p4);
local a1: addr = 1.2.3.4;
local a2: addr = [ffff:1234::1];
local a3: addr = [::ffff:123.123.123.123];
print to_json(a1);
print to_json(a2);
print to_json(a3);
local su1: subnet = 192.0.0.0/8;
local su2: subnet = [fe80::]/64;
print to_json(su1);
print to_json(su2);
local e: color = Red;
print to_json(e);
local p: pattern = /^abcd/;
print to_json(p);
# #########################
# Test the container types:
# Records
local re1 = myrec1($c=100, $s="test");
local re2 = myrec1($s="test");
local re3 = myrec2($m=myrec1($c=15, $s="test"));
print to_json(re1);
print to_json(re1, T);
print to_json(re2);
print to_json(re3, T);
# Vectors
local ve1: vector of count = vector();
local ve2: vector of count = vector(2, 1);
local ve3: vector of addr = vector(1.2.3.4);
local ve4: vector of set[bool] = vector(set(T, F));
local ve5: vector of myrec1 = vector(myrec1($s="test", $c=2));
local ve6: vector of count;
ve6[0] = 0;
ve6[2] = 2;
print to_json(ve1);
print to_json(ve2);
print to_json(ve3);
print to_json(ve4);
print to_json(ve5, T);
print to_json(ve6);
# Sets
local st1: set[count] = set();
local st2: set[count] = set(2, 1);
local st3: set[addr] = set(1.2.3.4);
local st4: set[myrec1] = set(myrec1($s="test"));
local st5: set[myrec1] = set(myrec1($s="test", $c=2));
local st6: set[string, count] = { ["one", 1], ["two", 2], ["three", 3] };
print to_json(st1);
print to_json(st2);
print to_json(st3);
print to_json(st4);
print to_json(st5, T);
print to_json(st6);
# Tables
local ta1: table[count] of addr = table();
local ta2: table[count] of addr = {[1] = 10.1.1.1, [2] = 10.2.2.2};
local ta3: table[addr] of table[string] of count = {[10.1.1.1] = table(["a"] = 1), [10.2.2.2] = table(["b"] = 2)};
local ta4: table[addr] of vector of count = {[10.1.1.1] = vector(1, 2), [10.2.2.2] = vector(3, 5)};
local ta5: table[count] of myrec1 = {[1] = myrec1($s="test", $c=2)};
print to_json(ta1);
print to_json(ta2);
print to_json(ta3);
print to_json(ta4);
print to_json(ta5, T);
}