// 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[4] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                 0xffffffffffffffff};

void execute_one(void)
{
  long res = 0;
  res = syscall(__NR_socket, 2, 0x200000002, 0x88);
  if (res != -1)
    r[0] = res;
  res = syscall(__NR_socket, 0x10, 3, 0);
  if (res != -1)
    r[1] = 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[1]);
  if (res != -1)
    r[2] = res;
  *(uint16_t*)0x200001c0 = 2;
  *(uint16_t*)0x200001c2 = htobe16(0x4e21);
  *(uint32_t*)0x200001c4 = htobe32(0);
  *(uint8_t*)0x200001c8 = 0;
  *(uint8_t*)0x200001c9 = 0;
  *(uint8_t*)0x200001ca = 0;
  *(uint8_t*)0x200001cb = 0;
  *(uint8_t*)0x200001cc = 0;
  *(uint8_t*)0x200001cd = 0;
  *(uint8_t*)0x200001ce = 0;
  *(uint8_t*)0x200001cf = 0;
  syscall(__NR_sendto, r[2], 0x20000180, 0, 0x8000, 0x200001c0, 0x10);
  *(uint16_t*)0x20000040 = 2;
  *(uint16_t*)0x20000042 = htobe16(0);
  *(uint8_t*)0x20000044 = 0xac;
  *(uint8_t*)0x20000045 = 0x14;
  *(uint8_t*)0x20000046 = 0x14;
  *(uint8_t*)0x20000047 = 0xbb;
  *(uint8_t*)0x20000048 = 0;
  *(uint8_t*)0x20000049 = 0;
  *(uint8_t*)0x2000004a = 0;
  *(uint8_t*)0x2000004b = 0;
  *(uint8_t*)0x2000004c = 0;
  *(uint8_t*)0x2000004d = 0;
  *(uint8_t*)0x2000004e = 0;
  *(uint8_t*)0x2000004f = 0;
  syscall(__NR_sendto, r[0], 0x20000180, 0, 0, 0x20000040, 0x10);
  res = syscall(__NR_socket, 0x10, 3, 6);
  if (res != -1)
    r[3] = res;
  *(uint64_t*)0x20000000 = 0x20000400;
  *(uint16_t*)0x20000400 = 0x10;
  *(uint16_t*)0x20000402 = 0;
  *(uint32_t*)0x20000404 = 0;
  *(uint32_t*)0x20000408 = 0;
  *(uint32_t*)0x20000008 = 0xc;
  *(uint64_t*)0x20000010 = 0x20000440;
  *(uint64_t*)0x20000440 = 0x20000200;
  *(uint32_t*)0x20000200 = 0xfc;
  *(uint16_t*)0x20000204 = 0x19;
  *(uint16_t*)0x20000206 = 0x701;
  *(uint32_t*)0x20000208 = 0;
  *(uint32_t*)0x2000020c = 0;
  *(uint8_t*)0x20000210 = -1;
  *(uint8_t*)0x20000211 = 1;
  *(uint8_t*)0x20000212 = 0;
  *(uint8_t*)0x20000213 = 0;
  *(uint8_t*)0x20000214 = 0;
  *(uint8_t*)0x20000215 = 0;
  *(uint8_t*)0x20000216 = 0;
  *(uint8_t*)0x20000217 = 0;
  *(uint8_t*)0x20000218 = 0;
  *(uint8_t*)0x20000219 = 0;
  *(uint8_t*)0x2000021a = 0;
  *(uint8_t*)0x2000021b = 0;
  *(uint8_t*)0x2000021c = 0;
  *(uint8_t*)0x2000021d = 0;
  *(uint8_t*)0x2000021e = 0;
  *(uint8_t*)0x2000021f = 1;
  *(uint8_t*)0x20000220 = 0xac;
  *(uint8_t*)0x20000221 = 0x14;
  *(uint8_t*)0x20000222 = 0x14;
  *(uint8_t*)0x20000223 = 0xbb;
  *(uint16_t*)0x20000230 = htobe16(0);
  *(uint16_t*)0x20000232 = htobe16(0);
  *(uint16_t*)0x20000234 = htobe16(0);
  *(uint16_t*)0x20000236 = htobe16(0);
  *(uint16_t*)0x20000238 = 2;
  *(uint8_t*)0x2000023a = 0;
  *(uint8_t*)0x2000023b = 0;
  *(uint8_t*)0x2000023c = 0;
  *(uint32_t*)0x20000240 = 0;
  *(uint32_t*)0x20000244 = 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;
  *(uint64_t*)0x20000298 = 0;
  *(uint64_t*)0x200002a0 = 0;
  *(uint32_t*)0x200002a8 = 0;
  *(uint32_t*)0x200002ac = 0;
  *(uint8_t*)0x200002b0 = 0;
  *(uint8_t*)0x200002b1 = 0;
  *(uint8_t*)0x200002b2 = 0;
  *(uint8_t*)0x200002b3 = 0;
  *(uint16_t*)0x200002b8 = 0x44;
  *(uint16_t*)0x200002ba = 5;
  *(uint8_t*)0x200002bc = 0;
  *(uint8_t*)0x200002bd = 0;
  *(uint8_t*)0x200002be = 0;
  *(uint8_t*)0x200002bf = 0;
  *(uint8_t*)0x200002c0 = 0;
  *(uint8_t*)0x200002c1 = 0;
  *(uint8_t*)0x200002c2 = 0;
  *(uint8_t*)0x200002c3 = 0;
  *(uint8_t*)0x200002c4 = 0;
  *(uint8_t*)0x200002c5 = 0;
  *(uint8_t*)0x200002c6 = 0;
  *(uint8_t*)0x200002c7 = 0;
  *(uint8_t*)0x200002c8 = 0;
  *(uint8_t*)0x200002c9 = 0;
  *(uint8_t*)0x200002ca = 0;
  *(uint8_t*)0x200002cb = 0;
  *(uint32_t*)0x200002cc = htobe32(0);
  *(uint8_t*)0x200002d0 = -1;
  *(uint16_t*)0x200002d4 = 0;
  *(uint8_t*)0x200002d8 = 0xfe;
  *(uint8_t*)0x200002d9 = 0x80;
  *(uint8_t*)0x200002da = 0;
  *(uint8_t*)0x200002db = 0;
  *(uint8_t*)0x200002dc = 0;
  *(uint8_t*)0x200002dd = 0;
  *(uint8_t*)0x200002de = 0;
  *(uint8_t*)0x200002df = 0;
  *(uint8_t*)0x200002e0 = 0;
  *(uint8_t*)0x200002e1 = 0;
  *(uint8_t*)0x200002e2 = 0;
  *(uint8_t*)0x200002e3 = 0;
  *(uint8_t*)0x200002e4 = 0;
  *(uint8_t*)0x200002e5 = 0;
  *(uint8_t*)0x200002e6 = 0;
  *(uint8_t*)0x200002e7 = 0xaa;
  *(uint32_t*)0x200002e8 = 0;
  *(uint8_t*)0x200002ec = 3;
  *(uint8_t*)0x200002ed = 0;
  *(uint8_t*)0x200002ee = 0;
  *(uint32_t*)0x200002f0 = 0;
  *(uint32_t*)0x200002f4 = 0;
  *(uint32_t*)0x200002f8 = 0;
  *(uint64_t*)0x20000448 = 0xfc;
  *(uint64_t*)0x20000018 = 1;
  *(uint64_t*)0x20000020 = 0;
  *(uint64_t*)0x20000028 = 0;
  *(uint32_t*)0x20000030 = 0;
  syscall(__NR_sendmsg, r[3], 0x20000000, 0);
}
int main(void)
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  loop();
  return 0;
}