diff options
Diffstat (limited to '')
| -rw-r--r-- | tests/qtest/fuzz/generic_fuzz.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/tests/qtest/fuzz/generic_fuzz.c b/tests/qtest/fuzz/generic_fuzz.c index 0ea47298b7..80eb29bd2d 100644 --- a/tests/qtest/fuzz/generic_fuzz.c +++ b/tests/qtest/fuzz/generic_fuzz.c @@ -668,15 +668,16 @@ static void generic_fuzz(QTestState *s, const unsigned char *Data, size_t Size) uint8_t op; if (fork() == 0) { + struct sigaction sact; + struct itimerval timer; /* * Sometimes the fuzzer will find inputs that take quite a long time to * process. Often times, these inputs do not result in new coverage. * Even if these inputs might be interesting, they can slow down the - * fuzzer, overall. Set a timeout to avoid hurting performance, too much + * fuzzer, overall. Set a timeout for each command to avoid hurting + * performance, too much */ if (timeout) { - struct sigaction sact; - struct itimerval timer; sigemptyset(&sact.sa_mask); sact.sa_flags = SA_NODEFER; @@ -686,13 +687,17 @@ static void generic_fuzz(QTestState *s, const unsigned char *Data, size_t Size) memset(&timer, 0, sizeof(timer)); timer.it_value.tv_sec = timeout / USEC_IN_SEC; timer.it_value.tv_usec = timeout % USEC_IN_SEC; - setitimer(ITIMER_VIRTUAL, &timer, NULL); } op_clear_dma_patterns(s, NULL, 0); pci_disabled = false; while (cmd && Size) { + /* Reset the timeout, each time we run a new command */ + if (timeout) { + setitimer(ITIMER_VIRTUAL, &timer, NULL); + } + /* Get the length until the next command or end of input */ nextcmd = memmem(cmd, Size, SEPARATOR, strlen(SEPARATOR)); cmd_len = nextcmd ? nextcmd - cmd : Size; |