// https://syzkaller.appspot.com/bug?id=124373f67ef703d44990a3cf4dacd2510b0fc1fc
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE 

#include <dirent.h>
#include <endian.h>
#include <fcntl.h>
#include <poll.h>
#include <pwd.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/event.h>
#include <sys/ioctl.h>
#include <sys/ktrace.h>
#include <sys/mman.h>
#include <sys/msg.h>
#include <sys/sem.h>
#include <sys/shm.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/sysctl.h>
#include <sys/syslog.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <termios.h>
#include <time.h>
#include <unistd.h>
#include <util.h>

static unsigned long long procid;

static void kill_and_wait(int pid, int* status)
{
	kill(pid, SIGKILL);
	while (waitpid(-1, status, 0) != pid) {
	}
}

static void sleep_ms(uint64_t ms)
{
	usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
	struct timespec ts;
	if (clock_gettime(CLOCK_MONOTONIC, &ts))
	exit(1);
	return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

#define CAST 

static uintptr_t syz_open_pts(void)
{
	int master, slave;
	if (openpty(&master, &slave, NULL, NULL, NULL) == -1)
		return -1;
	if (dup2(master, master + 100) != -1)
		close(master);
	return slave;
}

static void execute_one(void);

#define WAIT_FLAGS 0

static void loop(void)
{
	int iter = 0;
	for (;; iter++) {
		int pid = fork();
		if (pid < 0)
	exit(1);
		if (pid == 0) {
			execute_one();
			exit(0);
		}
		int status = 0;
		uint64_t start = current_time_ms();
		for (;;) {
			if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
				break;
			sleep_ms(1);
			if (current_time_ms() - start < 5000)
				continue;
			kill_and_wait(pid, &status);
			break;
		}
	}
}

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
		intptr_t res = 0;
	res = -1;
res = syz_open_pts();
	if (res != -1)
		r[0] = res;
*(uint16_t*)0x20000040 = 0;
*(uint16_t*)0x20000042 = 0;
*(uint64_t*)0x20000048 = 0;
*(uint64_t*)0x20000050 = 0x1000110000405;
*(uint32_t*)0x20000058 = 0;
((intptr_t(*)(intptr_t,intptr_t,intptr_t))CAST(fcntl))(/*fd=*/r[0], /*cmd=F_SETLKW*/9, /*lock=*/0x20000040);
	res = -1;
res = ((intptr_t(*)(intptr_t,intptr_t))CAST(dup2))(/*oldfd=*/r[0], /*newfd=*/r[0]);
	if (res != -1)
		r[1] = res;
((intptr_t(*)(intptr_t,intptr_t))CAST(flock))(/*fd=*/r[1], /*op=LOCK_SH*/1);
((intptr_t(*)(intptr_t))CAST(close))(/*fd=*/r[1]);
syz_open_pts();
syz_open_pts();
syz_open_pts();

}
int main(void)
{
((intptr_t(*)(intptr_t,intptr_t,intptr_t,intptr_t,intptr_t,intptr_t))CAST(mmap))(/*addr=*/0x20000000, /*len=*/0x1000000, /*prot=PROT_WRITE|PROT_READ*/3, /*flags=MAP_ANONYMOUS|MAP_FIXED|MAP_PRIVATE*/0x1012, /*fd=*/-1, /*offset=*/0);
	for (procid = 0; procid < 8; procid++) {
		if (fork() == 0) {
			loop();
		}
	}
	sleep(1000000);
	return 0;
}