// https://syzkaller.appspot.com/bug?id=4e947674d10b0fb0cb94d4d723989cee439a71d6
// 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>

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 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(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  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[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  long res = 0;
  res = syscall(__NR_socket, 2, 0x200000002, 0x88);
  if (res != -1)
    r[0] = res;
  *(uint16_t*)0x20000000 = 2;
  *(uint16_t*)0x20000002 = htobe16(0x4e21);
  *(uint32_t*)0x20000004 = htobe32(0);
  *(uint8_t*)0x20000008 = 0;
  *(uint8_t*)0x20000009 = 0;
  *(uint8_t*)0x2000000a = 0;
  *(uint8_t*)0x2000000b = 0;
  *(uint8_t*)0x2000000c = 0;
  *(uint8_t*)0x2000000d = 0;
  *(uint8_t*)0x2000000e = 0;
  *(uint8_t*)0x2000000f = 0;
  syscall(__NR_bind, r[0], 0x20000000, 0x10);
  res = syscall(__NR_dup2, r[0], r[0]);
  if (res != -1)
    r[1] = res;
  *(uint16_t*)0x20000080 = 2;
  *(uint16_t*)0x20000082 = htobe16(0x4e21);
  *(uint32_t*)0x20000084 = htobe32(0);
  *(uint8_t*)0x20000088 = 0;
  *(uint8_t*)0x20000089 = 0;
  *(uint8_t*)0x2000008a = 0;
  *(uint8_t*)0x2000008b = 0;
  *(uint8_t*)0x2000008c = 0;
  *(uint8_t*)0x2000008d = 0;
  *(uint8_t*)0x2000008e = 0;
  *(uint8_t*)0x2000008f = 0;
  syscall(__NR_sendto, r[0], 0, 0, 0x8000, 0x20000080, 0x10);
  syscall(__NR_sendto, r[1], 0, 0, 0, 0, 0xfffffffffffffe25);
  res = syscall(__NR_socket, 0x10, 3, 6);
  if (res != -1)
    r[2] = res;
  *(uint64_t*)0x20000100 = 0;
  *(uint32_t*)0x20000108 = 0;
  *(uint64_t*)0x20000110 = 0x20000180;
  *(uint64_t*)0x20000180 = 0x20003300;
  *(uint32_t*)0x20003300 = 0xb8;
  *(uint16_t*)0x20003304 = 0x19;
  *(uint16_t*)0x20003306 = 1;
  *(uint32_t*)0x20003308 = 0;
  *(uint32_t*)0x2000330c = 0;
  *(uint64_t*)0x20003310 = htobe64(0);
  *(uint64_t*)0x20003318 = htobe64(1);
  *(uint8_t*)0x20003320 = -1;
  *(uint8_t*)0x20003321 = 2;
  *(uint8_t*)0x20003322 = 0;
  *(uint8_t*)0x20003323 = 0;
  *(uint8_t*)0x20003324 = 0;
  *(uint8_t*)0x20003325 = 0;
  *(uint8_t*)0x20003326 = 0;
  *(uint8_t*)0x20003327 = 0;
  *(uint8_t*)0x20003328 = 0;
  *(uint8_t*)0x20003329 = 0;
  *(uint8_t*)0x2000332a = 0;
  *(uint8_t*)0x2000332b = 0;
  *(uint8_t*)0x2000332c = 0;
  *(uint8_t*)0x2000332d = 0;
  *(uint8_t*)0x2000332e = 0;
  *(uint8_t*)0x2000332f = 1;
  *(uint16_t*)0x20003330 = htobe16(0);
  *(uint16_t*)0x20003332 = htobe16(0);
  *(uint16_t*)0x20003334 = htobe16(0);
  *(uint16_t*)0x20003336 = htobe16(0);
  *(uint16_t*)0x20003338 = 0xa;
  *(uint8_t*)0x2000333a = 0;
  *(uint8_t*)0x2000333b = 0x80;
  *(uint8_t*)0x2000333c = 0x67;
  *(uint32_t*)0x20003340 = 0;
  *(uint32_t*)0x20003344 = 0;
  *(uint64_t*)0x20003348 = 0;
  *(uint64_t*)0x20003350 = 0;
  *(uint64_t*)0x20003358 = 0;
  *(uint64_t*)0x20003360 = 0;
  *(uint64_t*)0x20003368 = 0;
  *(uint64_t*)0x20003370 = 0;
  *(uint64_t*)0x20003378 = 0;
  *(uint64_t*)0x20003380 = 0;
  *(uint64_t*)0x20003388 = 0;
  *(uint64_t*)0x20003390 = 0;
  *(uint64_t*)0x20003398 = 0;
  *(uint64_t*)0x200033a0 = 0xfffffffffffffff7;
  *(uint32_t*)0x200033a8 = 0;
  *(uint32_t*)0x200033ac = 0;
  *(uint8_t*)0x200033b0 = 0;
  *(uint8_t*)0x200033b1 = 0;
  *(uint8_t*)0x200033b2 = 2;
  *(uint8_t*)0x200033b3 = 1;
  *(uint64_t*)0x20000188 = 0xb8;
  *(uint64_t*)0x20000118 = 8;
  *(uint64_t*)0x20000120 = 0;
  *(uint64_t*)0x20000128 = 0;
  *(uint32_t*)0x20000130 = 0;
  syscall(__NR_sendmsg, r[2], 0x20000100, 0);
  syscall(__NR_exit, 0);
}
int main(void)
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  loop();
  return 0;
}