// https://syzkaller.appspot.com/bug?id=8f4c492a5a2ba52c107a01f408c5402b3b9f0ec8
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

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 bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  for (int i = 0; i < 100; i++) {
    if (waitpid(-1, status, WNOHANG | __WALL) == pid)
      return;
    usleep(1000);
  }
  DIR* dir = opendir("/sys/fs/fuse/connections");
  if (dir) {
    for (;;) {
      struct dirent* ent = readdir(dir);
      if (!ent)
        break;
      if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        continue;
      char abort[300];
      snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
               ent->d_name);
      int fd = open(abort, O_WRONLY);
      if (fd == -1) {
        continue;
      }
      if (write(fd, abort, 1) < 0) {
      }
      close(fd);
    }
    closedir(dir);
  } else {
  }
  while (waitpid(-1, status, __WALL) != pid) {
  }
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      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[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x200000c0, "/dev/uinput\000", 12);
  res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x200000c0ul, 0x802ul, 0ul);
  if (res != -1)
    r[0] = res;
  *(uint16_t*)0x20000340 = 0x2f;
  *(uint32_t*)0x20000344 = 0;
  *(uint32_t*)0x20000348 = 0;
  *(uint32_t*)0x2000034c = 0;
  *(uint32_t*)0x20000350 = 0;
  *(uint32_t*)0x20000354 = 0;
  *(uint32_t*)0x20000358 = 0;
  syscall(__NR_ioctl, r[0], 0x401c5504, 0x20000340ul);
  memcpy((void*)0x200006c0,
         "syz0\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
         "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
         "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
         "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
         "\000\000\000\000\000\000\000\000\000",
         80);
  *(uint16_t*)0x20000710 = 0;
  *(uint16_t*)0x20000712 = 0;
  *(uint16_t*)0x20000714 = 0;
  *(uint16_t*)0x20000716 = 0;
  *(uint32_t*)0x20000718 = 0;
  *(uint32_t*)0x2000071c = 0;
  *(uint32_t*)0x20000720 = 0;
  *(uint32_t*)0x20000724 = 0xfffffffe;
  *(uint32_t*)0x20000728 = 0;
  *(uint32_t*)0x2000072c = 0;
  *(uint32_t*)0x20000730 = 0;
  *(uint32_t*)0x20000734 = 0;
  *(uint32_t*)0x20000738 = 0;
  *(uint32_t*)0x2000073c = 0;
  *(uint32_t*)0x20000740 = 0;
  *(uint32_t*)0x20000744 = 0;
  *(uint32_t*)0x20000748 = 0;
  *(uint32_t*)0x2000074c = 0;
  *(uint32_t*)0x20000750 = 0;
  *(uint32_t*)0x20000754 = 0;
  *(uint32_t*)0x20000758 = 0;
  *(uint32_t*)0x2000075c = 0;
  *(uint32_t*)0x20000760 = 0;
  *(uint32_t*)0x20000764 = 0;
  *(uint32_t*)0x20000768 = 0;
  *(uint32_t*)0x2000076c = 0;
  *(uint32_t*)0x20000770 = 0;
  *(uint32_t*)0x20000774 = 0;
  *(uint32_t*)0x20000778 = 0;
  *(uint32_t*)0x2000077c = 0;
  *(uint32_t*)0x20000780 = 0;
  *(uint32_t*)0x20000784 = 0;
  *(uint32_t*)0x20000788 = 0;
  *(uint32_t*)0x2000078c = 0;
  *(uint32_t*)0x20000790 = 0;
  *(uint32_t*)0x20000794 = 0;
  *(uint32_t*)0x20000798 = 0;
  *(uint32_t*)0x2000079c = 0;
  *(uint32_t*)0x200007a0 = 0;
  *(uint32_t*)0x200007a4 = 0xfffffffe;
  *(uint32_t*)0x200007a8 = 0;
  *(uint32_t*)0x200007ac = 0;
  *(uint32_t*)0x200007b0 = 0;
  *(uint32_t*)0x200007b4 = 0;
  *(uint32_t*)0x200007b8 = 0;
  *(uint32_t*)0x200007bc = 0;
  *(uint32_t*)0x200007c0 = 0;
  *(uint32_t*)0x200007c4 = 0;
  *(uint32_t*)0x200007c8 = 0;
  *(uint32_t*)0x200007cc = 0;
  *(uint32_t*)0x200007d0 = 0;
  *(uint32_t*)0x200007d4 = 0;
  *(uint32_t*)0x200007d8 = 0x7fffffff;
  *(uint32_t*)0x200007dc = 0;
  *(uint32_t*)0x200007e0 = 0;
  *(uint32_t*)0x200007e4 = 0;
  *(uint32_t*)0x200007e8 = 0;
  *(uint32_t*)0x200007ec = 0;
  *(uint32_t*)0x200007f0 = 0;
  *(uint32_t*)0x200007f4 = 0;
  *(uint32_t*)0x200007f8 = 0;
  *(uint32_t*)0x200007fc = 0;
  *(uint32_t*)0x20000800 = 0;
  *(uint32_t*)0x20000804 = 0;
  *(uint32_t*)0x20000808 = 0;
  *(uint32_t*)0x2000080c = 0;
  *(uint32_t*)0x20000810 = 0;
  *(uint32_t*)0x20000814 = 0;
  *(uint32_t*)0x20000818 = 0;
  *(uint32_t*)0x2000081c = 0;
  *(uint32_t*)0x20000820 = 0;
  *(uint32_t*)0x20000824 = 0;
  *(uint32_t*)0x20000828 = 0;
  *(uint32_t*)0x2000082c = 0;
  *(uint32_t*)0x20000830 = 0;
  *(uint32_t*)0x20000834 = 0;
  *(uint32_t*)0x20000838 = 0;
  *(uint32_t*)0x2000083c = 0;
  *(uint32_t*)0x20000840 = 0;
  *(uint32_t*)0x20000844 = 0;
  *(uint32_t*)0x20000848 = 0;
  *(uint32_t*)0x2000084c = 0;
  *(uint32_t*)0x20000850 = 0;
  *(uint32_t*)0x20000854 = 0;
  *(uint32_t*)0x20000858 = 0;
  *(uint32_t*)0x2000085c = 0;
  *(uint32_t*)0x20000860 = 0;
  *(uint32_t*)0x20000864 = 0;
  *(uint32_t*)0x20000868 = 0;
  *(uint32_t*)0x2000086c = 0;
  *(uint32_t*)0x20000870 = 0;
  *(uint32_t*)0x20000874 = 0;
  *(uint32_t*)0x20000878 = 0;
  *(uint32_t*)0x2000087c = 0;
  *(uint32_t*)0x20000880 = 0;
  *(uint32_t*)0x20000884 = 0;
  *(uint32_t*)0x20000888 = 0;
  *(uint32_t*)0x2000088c = 0;
  *(uint32_t*)0x20000890 = 0;
  *(uint32_t*)0x20000894 = 0;
  *(uint32_t*)0x20000898 = 0;
  *(uint32_t*)0x2000089c = 0;
  *(uint32_t*)0x200008a0 = 0;
  *(uint32_t*)0x200008a4 = 0;
  *(uint32_t*)0x200008a8 = 6;
  *(uint32_t*)0x200008ac = 0;
  *(uint32_t*)0x200008b0 = 0;
  *(uint32_t*)0x200008b4 = 2;
  *(uint32_t*)0x200008b8 = 0;
  *(uint32_t*)0x200008bc = 0;
  *(uint32_t*)0x200008c0 = 0;
  *(uint32_t*)0x200008c4 = 0;
  *(uint32_t*)0x200008c8 = 0;
  *(uint32_t*)0x200008cc = 0;
  *(uint32_t*)0x200008d0 = 0;
  *(uint32_t*)0x200008d4 = 0;
  *(uint32_t*)0x200008d8 = 0;
  *(uint32_t*)0x200008dc = 0;
  *(uint32_t*)0x200008e0 = 0;
  *(uint32_t*)0x200008e4 = 0;
  *(uint32_t*)0x200008e8 = 0;
  *(uint32_t*)0x200008ec = 0;
  *(uint32_t*)0x200008f0 = 0;
  *(uint32_t*)0x200008f4 = 0;
  *(uint32_t*)0x200008f8 = 0;
  *(uint32_t*)0x200008fc = 0;
  *(uint32_t*)0x20000900 = 0;
  *(uint32_t*)0x20000904 = 0;
  *(uint32_t*)0x20000908 = 0;
  *(uint32_t*)0x2000090c = 0;
  *(uint32_t*)0x20000910 = 0;
  *(uint32_t*)0x20000914 = 0xfffffffc;
  *(uint32_t*)0x20000918 = 0;
  *(uint32_t*)0x2000091c = 0;
  *(uint32_t*)0x20000920 = 0;
  *(uint32_t*)0x20000924 = 0;
  *(uint32_t*)0x20000928 = 0;
  *(uint32_t*)0x2000092c = 0;
  *(uint32_t*)0x20000930 = 0;
  *(uint32_t*)0x20000934 = 0;
  *(uint32_t*)0x20000938 = 0;
  *(uint32_t*)0x2000093c = 0;
  *(uint32_t*)0x20000940 = 0;
  *(uint32_t*)0x20000944 = 0;
  *(uint32_t*)0x20000948 = 0;
  *(uint32_t*)0x2000094c = 0;
  *(uint32_t*)0x20000950 = 0;
  *(uint32_t*)0x20000954 = 0;
  *(uint32_t*)0x20000958 = 0;
  *(uint32_t*)0x2000095c = 0;
  *(uint32_t*)0x20000960 = 0;
  *(uint32_t*)0x20000964 = 0xfffffffb;
  *(uint32_t*)0x20000968 = 0;
  *(uint32_t*)0x2000096c = 0;
  *(uint32_t*)0x20000970 = 0;
  *(uint32_t*)0x20000974 = 0;
  *(uint32_t*)0x20000978 = 0;
  *(uint32_t*)0x2000097c = 0;
  *(uint32_t*)0x20000980 = 0;
  *(uint32_t*)0x20000984 = 0;
  *(uint32_t*)0x20000988 = 0;
  *(uint32_t*)0x2000098c = 0;
  *(uint32_t*)0x20000990 = 0;
  *(uint32_t*)0x20000994 = 0;
  *(uint32_t*)0x20000998 = 0;
  *(uint32_t*)0x2000099c = 0;
  *(uint32_t*)0x200009a0 = 0;
  *(uint32_t*)0x200009a4 = 0;
  *(uint32_t*)0x200009a8 = 0;
  *(uint32_t*)0x200009ac = 0;
  *(uint32_t*)0x200009b0 = 0;
  *(uint32_t*)0x200009b4 = 0;
  *(uint32_t*)0x200009b8 = 0;
  *(uint32_t*)0x200009bc = 0;
  *(uint32_t*)0x200009c0 = 0;
  *(uint32_t*)0x200009c4 = 0;
  *(uint32_t*)0x200009c8 = 0;
  *(uint32_t*)0x200009cc = 0;
  *(uint32_t*)0x200009d0 = 0;
  *(uint32_t*)0x200009d4 = 0;
  *(uint32_t*)0x200009d8 = 0;
  *(uint32_t*)0x200009dc = 0;
  *(uint32_t*)0x200009e0 = 0;
  *(uint32_t*)0x200009e4 = 0;
  *(uint32_t*)0x200009e8 = 0;
  *(uint32_t*)0x200009ec = 0;
  *(uint32_t*)0x200009f0 = 0;
  *(uint32_t*)0x200009f4 = 0;
  *(uint32_t*)0x200009f8 = 0;
  *(uint32_t*)0x200009fc = 0;
  *(uint32_t*)0x20000a00 = 0;
  *(uint32_t*)0x20000a04 = 0;
  *(uint32_t*)0x20000a08 = 0;
  *(uint32_t*)0x20000a0c = 0;
  *(uint32_t*)0x20000a10 = 0;
  *(uint32_t*)0x20000a14 = 0x8000000;
  *(uint32_t*)0x20000a18 = 0;
  *(uint32_t*)0x20000a1c = 0;
  *(uint32_t*)0x20000a20 = 0;
  *(uint32_t*)0x20000a24 = 0;
  *(uint32_t*)0x20000a28 = 0;
  *(uint32_t*)0x20000a2c = 0;
  *(uint32_t*)0x20000a30 = 4;
  *(uint32_t*)0x20000a34 = 0;
  *(uint32_t*)0x20000a38 = 0;
  *(uint32_t*)0x20000a3c = 0;
  *(uint32_t*)0x20000a40 = 0;
  *(uint32_t*)0x20000a44 = 0x1280000;
  *(uint32_t*)0x20000a48 = 0;
  *(uint32_t*)0x20000a4c = 0;
  *(uint32_t*)0x20000a50 = 0;
  *(uint32_t*)0x20000a54 = 0;
  *(uint32_t*)0x20000a58 = 0;
  *(uint32_t*)0x20000a5c = 0;
  *(uint32_t*)0x20000a60 = 0xfffffffd;
  *(uint32_t*)0x20000a64 = 0;
  *(uint32_t*)0x20000a68 = 0;
  *(uint32_t*)0x20000a6c = 0;
  *(uint32_t*)0x20000a70 = 0;
  *(uint32_t*)0x20000a74 = 0;
  *(uint32_t*)0x20000a78 = 0;
  *(uint32_t*)0x20000a7c = 0;
  *(uint32_t*)0x20000a80 = 0;
  *(uint32_t*)0x20000a84 = 0;
  *(uint32_t*)0x20000a88 = 0;
  *(uint32_t*)0x20000a8c = 0;
  *(uint32_t*)0x20000a90 = 0;
  *(uint32_t*)0x20000a94 = 0;
  *(uint32_t*)0x20000a98 = 0;
  *(uint32_t*)0x20000a9c = 0;
  *(uint32_t*)0x20000aa0 = 0;
  *(uint32_t*)0x20000aa4 = 0;
  *(uint32_t*)0x20000aa8 = 0;
  *(uint32_t*)0x20000aac = 0;
  *(uint32_t*)0x20000ab0 = 0;
  *(uint32_t*)0x20000ab4 = 0;
  *(uint32_t*)0x20000ab8 = 0;
  *(uint32_t*)0x20000abc = 0;
  *(uint32_t*)0x20000ac0 = 0;
  *(uint32_t*)0x20000ac4 = 0;
  *(uint32_t*)0x20000ac8 = 0;
  *(uint32_t*)0x20000acc = 0;
  *(uint32_t*)0x20000ad0 = 0;
  *(uint32_t*)0x20000ad4 = 0;
  *(uint32_t*)0x20000ad8 = 0;
  *(uint32_t*)0x20000adc = 0;
  *(uint32_t*)0x20000ae0 = 0;
  *(uint32_t*)0x20000ae4 = 0;
  *(uint32_t*)0x20000ae8 = 0;
  *(uint32_t*)0x20000aec = 0;
  *(uint32_t*)0x20000af0 = 0;
  *(uint32_t*)0x20000af4 = 0;
  *(uint32_t*)0x20000af8 = 0;
  *(uint32_t*)0x20000afc = 0;
  *(uint32_t*)0x20000b00 = 0;
  *(uint32_t*)0x20000b04 = 0;
  *(uint32_t*)0x20000b08 = 0;
  *(uint32_t*)0x20000b0c = 0;
  *(uint32_t*)0x20000b10 = 0;
  *(uint32_t*)0x20000b14 = 0;
  *(uint32_t*)0x20000b18 = 0;
  syscall(__NR_write, r[0], 0x200006c0ul, 0x45cul);
  syscall(__NR_ioctl, r[0], 0x40045564, 3ul);
  syscall(__NR_ioctl, r[0], 0x5501, 0);
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  loop();
  return 0;
}