// https://syzkaller.appspot.com/bug?id=ffdf2711c935a1b72550b3334420d7a3b168f335
// 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 <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>

unsigned long long procid;

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

static uint64_t current_time_ms()
{
  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 kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  int i;
  for (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) {
  }
}

#define SYZ_HAVE_SETUP_TEST 1
static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
}

#define SYZ_HAVE_RESET_TEST 1
static void reset_test()
{
  int fd;
  for (fd = 3; fd < 30; fd++)
    close(fd);
}

static void execute_one();

#define WAIT_FLAGS __WALL

static void loop()
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      reset_test();
      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 < 5 * 1000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[4] = {0xffffffffffffffff, 0x0, 0xffffffffffffffff,
                 0xffffffffffffffff};

void execute_one()
{
  long res = 0;
  res = syscall(__NR_inotify_init1, 0);
  if (res != -1)
    r[0] = res;
  syscall(__NR_fcntl, r[0], 8, -1);
  res = syscall(__NR_fcntl, r[0], 0x10, 0x200000c0);
  if (res != -1)
    r[1] = *(uint32_t*)0x200000c4;
  syscall(__NR_ptrace, 0x4206, r[1], 0, 0x100009);
  res = syscall(__NR_socket, 0xa, 2, 0);
  if (res != -1)
    r[2] = res;
  res = syscall(__NR_socket, 0xf, 3, 2);
  if (res != -1)
    r[3] = res;
  *(uint64_t*)0x20000140 = 0;
  *(uint32_t*)0x20000148 = 0;
  *(uint64_t*)0x20000150 = 0x20000100;
  *(uint64_t*)0x20000100 = 0x20000000;
  *(uint8_t*)0x20000000 = 2;
  *(uint8_t*)0x20000001 = 7;
  *(uint8_t*)0x20000002 = 0;
  *(uint8_t*)0x20000003 = 8;
  *(uint16_t*)0x20000004 = 2;
  *(uint16_t*)0x20000006 = 0;
  *(uint32_t*)0x20000008 = 0;
  *(uint32_t*)0x2000000c = 0;
  *(uint64_t*)0x20000108 = 0x10;
  *(uint64_t*)0x20000158 = 1;
  *(uint64_t*)0x20000160 = 0;
  *(uint64_t*)0x20000168 = 0;
  *(uint32_t*)0x20000170 = 0;
  syscall(__NR_sendmsg, r[3], 0x20000140, 0);
  *(uint64_t*)0x20000200 = htobe64(0);
  *(uint64_t*)0x20000208 = htobe64(1);
  *(uint32_t*)0x20000210 = htobe32(0xe0000002);
  *(uint16_t*)0x20000220 = htobe16(0);
  *(uint16_t*)0x20000222 = htobe16(0);
  *(uint16_t*)0x20000224 = htobe16(0);
  *(uint16_t*)0x20000226 = htobe16(0);
  *(uint16_t*)0x20000228 = 2;
  *(uint8_t*)0x2000022a = 0;
  *(uint8_t*)0x2000022b = 0;
  *(uint8_t*)0x2000022c = 0;
  *(uint32_t*)0x20000230 = 0;
  *(uint32_t*)0x20000234 = 0;
  *(uint64_t*)0x20000238 = 0;
  *(uint64_t*)0x20000240 = 0;
  *(uint64_t*)0x20000248 = 0;
  *(uint64_t*)0x20000250 = 0;
  *(uint64_t*)0x20000258 = 0;
  *(uint64_t*)0x20000260 = 0;
  *(uint64_t*)0x20000268 = 0;
  *(uint64_t*)0x20000270 = 0;
  *(uint64_t*)0x20000278 = 0;
  *(uint64_t*)0x20000280 = 0;
  *(uint64_t*)0x20000288 = 0;
  *(uint64_t*)0x20000290 = 0;
  *(uint32_t*)0x20000298 = 0;
  *(uint32_t*)0x2000029c = 0;
  *(uint8_t*)0x200002a0 = 1;
  *(uint8_t*)0x200002a1 = 0;
  *(uint8_t*)0x200002a2 = 0;
  *(uint8_t*)0x200002a3 = 0;
  *(uint64_t*)0x200002a8 = htobe64(0);
  *(uint64_t*)0x200002b0 = htobe64(1);
  *(uint32_t*)0x200002b8 = htobe32(0);
  *(uint8_t*)0x200002bc = 0x2b;
  *(uint16_t*)0x200002c0 = 0;
  *(uint8_t*)0x200002c4 = 0xfe;
  *(uint8_t*)0x200002c5 = 0x80;
  *(uint8_t*)0x200002c6 = 0;
  *(uint8_t*)0x200002c7 = 0;
  *(uint8_t*)0x200002c8 = 0;
  *(uint8_t*)0x200002c9 = 0;
  *(uint8_t*)0x200002ca = 0;
  *(uint8_t*)0x200002cb = 0;
  *(uint8_t*)0x200002cc = 0;
  *(uint8_t*)0x200002cd = 0;
  *(uint8_t*)0x200002ce = 0;
  *(uint8_t*)0x200002cf = 0;
  *(uint8_t*)0x200002d0 = 0;
  *(uint8_t*)0x200002d1 = 0;
  *(uint8_t*)0x200002d2 = 0;
  *(uint8_t*)0x200002d3 = 0;
  *(uint32_t*)0x200002d4 = 0;
  *(uint8_t*)0x200002d8 = 0;
  *(uint8_t*)0x200002d9 = 0;
  *(uint8_t*)0x200002da = 1;
  *(uint32_t*)0x200002dc = 0;
  *(uint32_t*)0x200002e0 = 0;
  *(uint32_t*)0x200002e4 = 0;
  syscall(__NR_setsockopt, r[2], 0x29, 0x23, 0x20000200, 0xe8);
  *(uint64_t*)0x20002000 = 0x20000740;
  *(uint16_t*)0x20000740 = 2;
  *(uint16_t*)0x20000742 = htobe16(0xc67a);
  *(uint32_t*)0x20000744 = htobe32(0);
  *(uint8_t*)0x20000748 = 0;
  *(uint8_t*)0x20000749 = 0;
  *(uint8_t*)0x2000074a = 0;
  *(uint8_t*)0x2000074b = 0;
  *(uint8_t*)0x2000074c = 0;
  *(uint8_t*)0x2000074d = 0;
  *(uint8_t*)0x2000074e = 0;
  *(uint8_t*)0x2000074f = 0;
  *(uint32_t*)0x20002008 = 0x80;
  *(uint64_t*)0x20002010 = 0x20000600;
  *(uint64_t*)0x20002018 = 0;
  *(uint64_t*)0x20002020 = 0x20000280;
  *(uint64_t*)0x20002028 = 0;
  *(uint32_t*)0x20002030 = 0;
  *(uint32_t*)0x20002038 = 0;
  syscall(__NR_sendmmsg, r[2], 0x20002000, 1, 0);
}
int main()
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  for (procid = 0; procid < 8; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}