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e0351e2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | /*
* Copyright 2023 Google LLC
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include<stdlib.h>
#include<signal.h>
static void fixSignalHandler(int signum) {
struct sigaction new_action;
struct sigaction old_action;
sigemptyset (&new_action.sa_mask);
sigaction (signum, NULL, &old_action);
new_action.sa_flags = old_action.sa_flags | SA_ONSTACK;
new_action.sa_sigaction = old_action.sa_sigaction;
new_action.sa_handler = old_action.sa_handler;
sigaction (signum, &new_action, NULL);
}
static void FixStackSignalHandler() {
fixSignalHandler(SIGSEGV);
fixSignalHandler(SIGABRT);
fixSignalHandler(SIGALRM);
fixSignalHandler(SIGINT);
fixSignalHandler(SIGTERM);
fixSignalHandler(SIGBUS);
fixSignalHandler(SIGFPE);
fixSignalHandler(SIGXFSZ);
fixSignalHandler(SIGUSR1);
fixSignalHandler(SIGUSR2);
}
int LLVMFuzzerInitialize(int *argc, char ***argv) {
FixStackSignalHandler();
return 0;
}
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