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Disable wrapfds outside of fuzzed code

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This commit is contained in:
Matt Johnston 2018-03-08 23:22:53 +08:00
parent ba94bcd2e8
commit 933bc5f8a7
1 changed files with 6 additions and 0 deletions
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6
fuzz-harness.c
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@ -18,6 +18,7 @@ int main(int argc, char ** argv) {
#endif #endif
} }
int old_fuzz_wrapfds = 0;
for (i = 1; i < argc; i++) { for (i = 1; i < argc; i++) {
if (argv[i][0] == '-') { if (argv[i][0] == '-') {
/* ignore arguments */ /* ignore arguments */
@ -29,11 +30,16 @@ int main(int argc, char ** argv) {
buf_readfile(input, fn); buf_readfile(input, fn);
buf_setpos(input, 0); buf_setpos(input, 0);
fuzz.wrapfds = old_fuzz_wrapfds;
printf("Running %s once \n", fn); printf("Running %s once \n", fn);
LLVMFuzzerTestOneInput(input->data, input->len); LLVMFuzzerTestOneInput(input->data, input->len);
printf("Running %s twice \n", fn); printf("Running %s twice \n", fn);
LLVMFuzzerTestOneInput(input->data, input->len); LLVMFuzzerTestOneInput(input->data, input->len);
printf("Done %s\n", fn); printf("Done %s\n", fn);
/* Disable wrapfd so it won't interfere with buf_readfile() above */
old_fuzz_wrapfds = fuzz.wrapfds;
fuzz.wrapfds = 0;
} }
printf("Finished\n"); printf("Finished\n");