// https://syzkaller.appspot.com/bug?id=041201fb49924bd252ae4b68d404ac21560b3df2
// 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[6] = {0xffffffffffffffff, 0x0, 0xffffffffffffffff,
                 0xffffffffffffffff, 0x0, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  res = syscall(__NR_socket, 0x11ul, 0x800000003ul, 0);
  if (res != -1)
    r[0] = res;
  *(uint16_t*)0x20000080 = 0x11;
  memcpy((void*)0x20000082,
         "\x00\x00\x01\x00\x00\x00\x00\x00\x08\x00\x44\x94\x4e\xeb\xa7\x1a\x49"
         "\x76\xe2\x52\x92\x2c\xb1\x8f\x6e\x2e\x2a\xba\x00\x00\x00\x01\x2e\x0b"
         "\x38\x36\x00\x54\x04\xb0\xe0\x30\x1a\x4c\xe8\x75\xf2\xe3\xff\x5f\x16"
         "\x3e\xe3\x40\xb7\x67\x95\x00\x80\x00\x00\x00\x00\x00\x00\x01\x01\x01"
         "\x3c\x58\x11\x03\x9e\x15\x77\x50\x27\xec\xce\x66\xfd\x79\x2b\xbf\x0e"
         "\x5b\xf5\xff\x1b\x08\x16\xf3\xf6\xdb\x1c\x00\x01\x00\x00\x00\x00\x00"
         "\x00\x00\x49\x74\x00\x00\x00\x00\x00\x00\x00\x06\xad\x8e\x5e\xcc\x32"
         "\x6d\x3a\x09\xff\xc2\xc6\x54",
         126);
  syscall(__NR_bind, r[0], 0x20000080ul, 0x80ul);
  *(uint32_t*)0x20000000 = 0x14;
  res = syscall(__NR_getsockname, r[0], 0x200003c0ul, 0x20000000ul);
  if (res != -1)
    r[1] = *(uint32_t*)0x200003c4;
  res = syscall(__NR_socket, 0x10ul, 3ul, 0);
  if (res != -1)
    r[2] = res;
  *(uint64_t*)0x200007c0 = 0;
  *(uint32_t*)0x200007c8 = 0;
  *(uint64_t*)0x200007d0 = 0x20000780;
  *(uint64_t*)0x20000780 = 0x20000400;
  *(uint32_t*)0x20000400 = 0x148;
  *(uint16_t*)0x20000404 = 0x24;
  *(uint16_t*)0x20000406 = 0xd0b;
  *(uint32_t*)0x20000408 = 0;
  *(uint32_t*)0x2000040c = 0;
  *(uint8_t*)0x20000410 = 0;
  *(uint8_t*)0x20000411 = 0;
  *(uint16_t*)0x20000412 = 0;
  *(uint32_t*)0x20000414 = r[1];
  *(uint16_t*)0x20000418 = 0;
  *(uint16_t*)0x2000041a = 0;
  *(uint16_t*)0x2000041c = 0xd;
  *(uint16_t*)0x2000041e = -1;
  *(uint16_t*)0x20000420 = 0;
  *(uint16_t*)0x20000422 = 0;
  *(uint16_t*)0x20000424 = 8;
  *(uint16_t*)0x20000426 = 1;
  memcpy((void*)0x20000428, "red\000", 4);
  *(uint16_t*)0x2000042c = 0x11c;
  *(uint16_t*)0x2000042e = 2;
  *(uint16_t*)0x20000430 = 0x104;
  *(uint16_t*)0x20000432 = 2;
  memcpy((void*)0x20000434,
         "\x35\x3f\x9a\x6f\x83\xc1\xa3\x02\xf1\x8d\xb2\x58\x79\x23\x67\x6d\x91"
         "\x43\x3e\xb3\x09\xeb\x52\xb0\x48\x43\x70\x1d\xb4\xb5\x49\xd6\xff\xd9"
         "\x28\xa5\xc2\x42\xde\xf4\x5b\xd4\xd2\x35\xc7\xc9\x39\xe8\xcd\xbe\x71"
         "\xdd\x13\x22\x51\xf5\x94\xd6\xef\x5f\x06\x81\x08\x38\x8a\x74\x40\x0b"
         "\x47\xf8\xdb\xfa\x55\x08\xc3\x1c\x4f\x39\xd6\x26\xef\xe6\x02\x37\x0f"
         "\x32\x3c\xcc\xbd\x6c\x5f\x63\x33\xe4\x4c\xf6\xe5\x5c\x9f\xa1\x30\x46"
         "\xc4\xd8\x04\xd1\x4a\x1b\x86\x18\xd5\xb1\xb6\x4c\xa0\xc7\x73\xd0\xb4"
         "\x96\x87\xcd\x51\xb8\xf4\x3c\x4d\xb2\xbb\x0a\xbc\xb3\xe5\x4e\x4d\x06"
         "\xf4\x9c\x18\xe3\xf0\xc5\xa1\x17\x4d\x60\x90\x27\x65\x5a\x08\x2d\x68"
         "\xf6\x7e\xc3\x8b\xf4\x93\x87\xe0\x6a\xfd\xe1\xcd\xf3\xc5\xec\x87\xfb"
         "\x53\xde\x13\x08\x87\x06\x22\xd3\x29\x0e\x4e\x92\xc4\x8a\xa0\x5b\xaf"
         "\x6c\x12\x3f\x3b\x57\x86\xe4\x4e\x63\x8b\x5e\xc6\xb9\x72\xb9\x32\x59"
         "\x3b\xf5\x93\x98\x20\xdc\xdb\xbd\x7b\xf6\xfc\xdf\x31\xd2\x75\x9f\x09"
         "\xe7\x79\xdd\xbb\x1a\xc7\xf1\x6d\x64\xd6\xff\x7d\xd2\xb7\x0b\x80\x3d"
         "\x9a\xd7\x46\x41\xb2\x32\x4b\x88\x25\xbd\x3f\x4a\x9e\x53\x1c\xa8\xc4"
         "\x47",
         256);
  *(uint16_t*)0x20000534 = 0x14;
  *(uint16_t*)0x20000536 = 1;
  *(uint32_t*)0x20000538 = 0x1000;
  *(uint32_t*)0x2000053c = 0;
  *(uint32_t*)0x20000540 = 0;
  *(uint8_t*)0x20000544 = 0;
  *(uint8_t*)0x20000545 = 0;
  *(uint8_t*)0x20000546 = 0;
  *(uint8_t*)0x20000547 = 6;
  *(uint64_t*)0x20000788 = 0x148;
  *(uint64_t*)0x200007d8 = 1;
  *(uint64_t*)0x200007e0 = 0;
  *(uint64_t*)0x200007e8 = 0;
  *(uint32_t*)0x200007f0 = 0x8040;
  syscall(__NR_sendmsg, r[2], 0x200007c0ul, 0ul);
  res = syscall(__NR_socket, 0x11ul, 0x800000003ul, 0);
  if (res != -1)
    r[3] = res;
  *(uint16_t*)0x20000080 = 0x11;
  memcpy((void*)0x20000082,
         "\x00\x00\x01\x00\x00\x00\x00\x00\x08\x00\x44\x94\x4e\xeb\xa7\x1a\x49"
         "\x76\xe2\x52\x92\x2c\xb1\x8f\x6e\x2e\x2a\xba\x00\x00\x00\x01\x2e\x0b"
         "\x38\x36\x00\x54\x04\xb0\xe0\x30\x1a\x4c\xe8\x75\xf2\xe3\xff\x5f\x16"
         "\x3e\xe3\x40\xb7\x67\x95\x00\x80\x00\x00\x00\x00\x00\x00\x01\x01\x01"
         "\x3c\x58\x11\x03\x9e\x15\x77\x50\x27\xec\xce\x66\xfd\x79\x2b\xbf\x0e"
         "\x5b\xf5\xff\x1b\x08\x16\xf3\xf6\xdb\x1c\x00\x01\x00\x00\x00\x00\x00"
         "\x00\x00\x49\x74\x00\x00\x00\x00\x00\x00\x00\x06\xad\x8e\x5e\xcc\x32"
         "\x6d\x3a\x09\xff\xc2\xc6\x54",
         126);
  syscall(__NR_bind, r[3], 0x20000080ul, 0x80ul);
  *(uint32_t*)0x20000000 = 0x14;
  res = syscall(__NR_getsockname, r[3], 0x200003c0ul, 0x20000000ul);
  if (res != -1)
    r[4] = *(uint32_t*)0x200003c4;
  res = syscall(__NR_socket, 0x10ul, 3ul, 0);
  if (res != -1)
    r[5] = res;
  *(uint64_t*)0x200007c0 = 0;
  *(uint32_t*)0x200007c8 = 0;
  *(uint64_t*)0x200007d0 = 0x20000780;
  *(uint64_t*)0x20000780 = 0x20000400;
  *(uint32_t*)0x20000400 = 0x148;
  *(uint16_t*)0x20000404 = 0x24;
  *(uint16_t*)0x20000406 = 0xd0b;
  *(uint32_t*)0x20000408 = 0;
  *(uint32_t*)0x2000040c = 0;
  *(uint8_t*)0x20000410 = 0;
  *(uint8_t*)0x20000411 = 0;
  *(uint16_t*)0x20000412 = 0;
  *(uint32_t*)0x20000414 = r[4];
  *(uint16_t*)0x20000418 = 0;
  *(uint16_t*)0x2000041a = 0;
  *(uint16_t*)0x2000041c = 0xfff1;
  *(uint16_t*)0x2000041e = -1;
  *(uint16_t*)0x20000420 = 0;
  *(uint16_t*)0x20000422 = 0;
  *(uint16_t*)0x20000424 = 8;
  *(uint16_t*)0x20000426 = 1;
  memcpy((void*)0x20000428, "red\000", 4);
  *(uint16_t*)0x2000042c = 0x11c;
  *(uint16_t*)0x2000042e = 2;
  *(uint16_t*)0x20000430 = 0x104;
  *(uint16_t*)0x20000432 = 2;
  memcpy((void*)0x20000434,
         "\x35\x3f\x9a\x6f\x83\xc1\xa3\x02\xf1\x8d\xb2\x58\x79\x23\x67\x6d\x91"
         "\x43\x3e\xb3\x09\xeb\x52\xb0\x48\x43\x70\x1d\xb4\xb5\x49\xd6\xff\xd9"
         "\x28\xa5\xc2\x42\xde\xf4\x5b\xd4\xd2\x35\xc7\xc9\x39\xe8\xcd\xbe\x71"
         "\xdd\x13\x22\x51\xf5\x94\xd6\xef\x5f\x06\x81\x08\x38\x8a\x74\x40\x0b"
         "\x47\xf8\xdb\xfa\x55\x08\xc3\x1c\x4f\x39\xd6\x26\xef\xe6\x02\x37\x0f"
         "\x32\x3c\xcc\xbd\x6c\x5f\x63\x33\xe4\x4c\xf6\xe5\x5c\x9f\xa1\x30\x46"
         "\xc4\xd8\x04\xd1\x4a\x1b\x86\x18\xd5\xb1\xb6\x4c\xa0\xc7\x73\xd0\xb4"
         "\x96\x87\xcd\x51\xb8\xf4\x3c\x4d\xb2\xbb\x0a\xbc\xb3\xe5\x4e\x4d\x06"
         "\xf4\x9c\x18\xe3\xf0\xc5\xa1\x17\x4d\x60\x90\x27\x65\x5a\x08\x2d\x68"
         "\xf6\x7e\xc3\x8b\xf4\x93\x87\xe0\x6a\xfd\xe1\xcd\xf3\xc5\xec\x87\xfb"
         "\x53\xde\x13\x08\x87\x06\x22\xd3\x29\x0e\x4e\x92\xc4\x8a\xa0\x5b\xaf"
         "\x6c\x12\x3f\x3b\x57\x86\xe4\x4e\x63\x8b\x5e\xc6\xb9\x72\xb9\x32\x59"
         "\x3b\xf5\x93\x98\x20\xdc\xdb\xbd\x7b\xf6\xfc\xdf\x31\xd2\x75\x9f\x09"
         "\xe7\x79\xdd\xbb\x1a\xc7\xf1\x6d\x64\xd6\xff\x7d\xd2\xb7\x0b\x80\x3d"
         "\x9a\xd7\x46\x41\xb2\x32\x4b\x88\x25\xbd\x3f\x4a\x9e\x53\x1c\xa8\xc4"
         "\x47",
         256);
  *(uint16_t*)0x20000534 = 0x14;
  *(uint16_t*)0x20000536 = 1;
  *(uint32_t*)0x20000538 = 0x1000;
  *(uint32_t*)0x2000053c = 0;
  *(uint32_t*)0x20000540 = 0;
  *(uint8_t*)0x20000544 = 0;
  *(uint8_t*)0x20000545 = 0;
  *(uint8_t*)0x20000546 = 0;
  *(uint8_t*)0x20000547 = 6;
  *(uint64_t*)0x20000788 = 0x148;
  *(uint64_t*)0x200007d8 = 1;
  *(uint64_t*)0x200007e0 = 0;
  *(uint64_t*)0x200007e8 = 0;
  *(uint32_t*)0x200007f0 = 0x8040;
  syscall(__NR_sendmsg, r[5], 0x200007c0ul, 0ul);
  syscall(__NR_clone, 0x70224100ul, 0ul, 0ul, 0ul, 0ul);
}
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;
}