Message ID | 20210901115004.34768-7-alxndr@bu.edu |
---|---|
State | New |
Headers | show
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Series |
[PULL,v3,1/8] fuzz: fix sparse memory access in the DMA callback
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expand
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diff --git a/tests/qtest/fuzz/generic_fuzz.c b/tests/qtest/fuzz/generic_fuzz.c index de427a3727..dd7e25851c 100644 --- a/tests/qtest/fuzz/generic_fuzz.c +++ b/tests/qtest/fuzz/generic_fuzz.c @@ -670,6 +670,7 @@ static void generic_fuzz(QTestState *s, const unsigned char *Data, size_t Size) if (fork() == 0) { struct sigaction sact; struct itimerval timer; + sigset_t set; /* * Sometimes the fuzzer will find inputs that take quite a long time to * process. Often times, these inputs do not result in new coverage. @@ -684,6 +685,10 @@ static void generic_fuzz(QTestState *s, const unsigned char *Data, size_t Size) sact.sa_handler = handle_timeout; sigaction(SIGALRM, &sact, NULL); + sigemptyset(&set); + sigaddset(&set, SIGALRM); + pthread_sigmask(SIG_UNBLOCK, &set, NULL); + memset(&timer, 0, sizeof(timer)); timer.it_value.tv_sec = timeout / USEC_IN_SEC; timer.it_value.tv_usec = timeout % USEC_IN_SEC;