// https://syzkaller.appspot.com/bug?id=7c48f2a02168c6d8581d28dcc5c3c5b7a7c52f21
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <sys/types.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/endian.h>
#include <sys/syscall.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

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;
}

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 (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  syscall(SYS_sendmsg, /*fd=*/-1, /*msg=*/0ul,
          /*f=MSG_NOSIGNAL|MSG_EOF|MSG_DONTWAIT*/ 0x20180ul);
  syscall(SYS_socket, /*domain=*/0x1cul, /*type=SOCK_STREAM*/ 1ul,
          /*proto=*/0x84);
  syscall(SYS_sendto, /*fd=*/-1, /*buf=*/0ul, /*len=*/0ul, /*f=*/0ul,
          /*addr=*/0ul, /*addrlen=*/0ul);
  memcpy((void*)0x20000000, "/dev/mdctl\000", 11);
  res = syscall(SYS_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000000ul,
                /*flags=*/0ul, /*mode=*/0ul);
  if (res != -1)
    r[0] = res;
  *(uint32_t*)0x200000c0 = 0;
  *(uint32_t*)0x200000c4 = 0;
  *(uint32_t*)0x200000c8 = 0;
  *(uint64_t*)0x200000d0 = 0;
  *(uint64_t*)0x200000d8 = 0x7c;
  *(uint32_t*)0x200000e0 = 8;
  *(uint32_t*)0x200000e4 = 6;
  *(uint64_t*)0x200000e8 = 0;
  *(uint32_t*)0x200000f0 = 0;
  *(uint32_t*)0x200000f4 = 0;
  *(uint64_t*)0x200000f8 = 0;
  *(uint32_t*)0x20000100 = 0;
  *(uint32_t*)0x20000104 = 0;
  *(uint32_t*)0x20000108 = 0;
  *(uint32_t*)0x2000010c = 0;
  *(uint32_t*)0x20000110 = 0;
  *(uint32_t*)0x20000114 = 0;
  *(uint32_t*)0x20000118 = 0;
  *(uint32_t*)0x2000011c = 0;
  *(uint32_t*)0x20000120 = 0;
  *(uint32_t*)0x20000124 = 0;
  *(uint32_t*)0x20000128 = 0;
  *(uint32_t*)0x2000012c = 0;
  *(uint32_t*)0x20000130 = 0;
  *(uint32_t*)0x20000134 = 0;
  *(uint32_t*)0x20000138 = 0;
  *(uint32_t*)0x2000013c = 0;
  *(uint32_t*)0x20000140 = 0;
  *(uint32_t*)0x20000144 = 0;
  *(uint32_t*)0x20000148 = 0;
  *(uint32_t*)0x2000014c = 0;
  *(uint32_t*)0x20000150 = 0;
  *(uint32_t*)0x20000154 = 0;
  *(uint32_t*)0x20000158 = 0;
  *(uint32_t*)0x2000015c = 0;
  *(uint32_t*)0x20000160 = 0;
  *(uint32_t*)0x20000164 = 0;
  *(uint32_t*)0x20000168 = 0;
  *(uint32_t*)0x2000016c = 0;
  *(uint32_t*)0x20000170 = 0;
  *(uint32_t*)0x20000174 = 0;
  *(uint32_t*)0x20000178 = 0;
  *(uint32_t*)0x2000017c = 0;
  *(uint32_t*)0x20000180 = 0;
  *(uint32_t*)0x20000184 = 0;
  *(uint32_t*)0x20000188 = 0;
  *(uint32_t*)0x2000018c = 0;
  *(uint32_t*)0x20000190 = 0;
  *(uint32_t*)0x20000194 = 0;
  *(uint32_t*)0x20000198 = 0;
  *(uint32_t*)0x2000019c = 0;
  *(uint32_t*)0x200001a0 = 0;
  *(uint32_t*)0x200001a4 = 0;
  *(uint32_t*)0x200001a8 = 0;
  *(uint32_t*)0x200001ac = 0;
  *(uint32_t*)0x200001b0 = 0;
  *(uint32_t*)0x200001b4 = 0;
  *(uint32_t*)0x200001b8 = 0;
  *(uint32_t*)0x200001bc = 0;
  *(uint32_t*)0x200001c0 = 0;
  *(uint32_t*)0x200001c4 = 0;
  *(uint32_t*)0x200001c8 = 0;
  *(uint32_t*)0x200001cc = 0;
  *(uint32_t*)0x200001d0 = 0;
  *(uint32_t*)0x200001d4 = 0;
  *(uint32_t*)0x200001d8 = 0;
  *(uint32_t*)0x200001dc = 0;
  *(uint32_t*)0x200001e0 = 0;
  *(uint32_t*)0x200001e4 = 0;
  *(uint32_t*)0x200001e8 = 0;
  *(uint32_t*)0x200001ec = 0;
  *(uint32_t*)0x200001f0 = 0;
  *(uint32_t*)0x200001f4 = 0;
  *(uint32_t*)0x200001f8 = 0;
  *(uint32_t*)0x200001fc = 0;
  *(uint32_t*)0x20000200 = 0;
  *(uint32_t*)0x20000204 = 0;
  *(uint32_t*)0x20000208 = 0;
  *(uint32_t*)0x2000020c = 0;
  *(uint32_t*)0x20000210 = 0;
  *(uint32_t*)0x20000214 = 0;
  *(uint32_t*)0x20000218 = 0;
  *(uint32_t*)0x2000021c = 0;
  *(uint32_t*)0x20000220 = 0;
  *(uint32_t*)0x20000224 = 0;
  *(uint32_t*)0x20000228 = 0;
  *(uint32_t*)0x2000022c = 0;
  *(uint32_t*)0x20000230 = 0;
  *(uint32_t*)0x20000234 = 0;
  *(uint32_t*)0x20000238 = 0;
  *(uint32_t*)0x2000023c = 0;
  *(uint32_t*)0x20000240 = 0;
  *(uint32_t*)0x20000244 = 0;
  *(uint32_t*)0x20000248 = 0;
  *(uint32_t*)0x2000024c = 0;
  *(uint32_t*)0x20000250 = 0;
  *(uint32_t*)0x20000254 = 0;
  *(uint32_t*)0x20000258 = 0;
  *(uint32_t*)0x2000025c = 0;
  *(uint32_t*)0x20000260 = 0;
  *(uint32_t*)0x20000264 = 0;
  *(uint32_t*)0x20000268 = 0;
  *(uint32_t*)0x2000026c = 0;
  *(uint32_t*)0x20000270 = 0;
  *(uint32_t*)0x20000274 = 0;
  *(uint32_t*)0x20000278 = 0;
  *(uint32_t*)0x2000027c = 0;
  syscall(SYS_ioctl, /*fd=*/r[0], /*cmd=*/0xc1c06d00ul, /*arg=*/0x200000c0ul);
}
int main(void)
{
  syscall(SYS_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x1012ul, /*fd=*/-1,
          /*offset=*/0ul);
  const char* reason;
  (void)reason;
  loop();
  return 0;
}