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Code Issues 1 Releases Wiki Activity

Make janet_equals and janet_compare non recursive

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This makes these operatios use constant stack space rather
than linear stackspace given the size of the inputs. This is important
to prevent certain parser input from causing a stack overflow - in
general, we try to avoid unbounded recursion.
This commit is contained in:
Calvin Rose
2020-04-24 16:18:31 -05:00
parent c335bf5dc5
commit a87015598c
8 changed files with 196 additions and 136 deletions
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5
test/fuzzers/fuzz_dostring.c
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@@ -10,9 +10,8 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
/* fuzz the parser */
JanetParser parser;
janet_parser_init(&parser);
for (int i=0, done = 0; i < size; i++)
{
switch (janet_parser_status(&parser)) {
for (int i = 0, done = 0; i < size; i++) {
switch (janet_parser_status(&parser)) {
case JANET_PARSE_DEAD:
case JANET_PARSE_ERROR:
done = 1;