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fuzz: Harden leak check in lint fuzzer

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Check for undetected memory leaks from previous iterations. This also
makes sure that the maxmem limit is checked deterministically.
This commit is contained in:
Nick Wellnhofer 2024-12-13 15:23:30 +01:00
parent c6c6d8afef
commit 44628d4559
1 changed files with 5 additions and 0 deletions
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fuzz/lint.c
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@ -131,6 +131,11 @@ LLVMFuzzerTestOneInput(const char *data, size_t size) {
unsigned uval;
int ival;
if (xmlMemUsed() != 0) {
fprintf(stderr, "Undetected leak in previous iteration\n");
abort();
}
vars.argv = malloc((numSwitches + 5 + 6 * 2) * sizeof(vars.argv[0]));
vars.argi = 0;
pushArg("xmllint"),