// https://syzkaller.appspot.com/bug?id=ef95147925146612c0c5b3abc6a2a10cdc1797f1
// 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;
}

#define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off))
#define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len)               \
  *(type*)(addr) =                                                             \
      htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) |           \
            (((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len))))

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;
  res = syscall(__NR_socket, 0x10ul, 3ul, 0xc);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x20000480 = 0;
  *(uint32_t*)0x20000488 = 0;
  *(uint64_t*)0x20000490 = 0x20000440;
  *(uint64_t*)0x20000440 = 0x200004c0;
  *(uint32_t*)0x200004c0 = 0xc4;
  *(uint8_t*)0x200004c4 = 1;
  *(uint8_t*)0x200004c5 = 7;
  *(uint16_t*)0x200004c6 = 0x101;
  *(uint32_t*)0x200004c8 = 0;
  *(uint32_t*)0x200004cc = 0;
  *(uint8_t*)0x200004d0 = 0;
  *(uint8_t*)0x200004d1 = 0;
  *(uint16_t*)0x200004d2 = htobe16(6);
  *(uint16_t*)0x200004d4 = 0xc;
  STORE_BY_BITMASK(uint16_t, , 0x200004d6, 2, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200004d7, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200004d7, 0, 7, 1);
  *(uint64_t*)0x200004d8 = htobe64(0xfffffffffffffffd);
  *(uint16_t*)0x200004e0 = 8;
  STORE_BY_BITMASK(uint16_t, , 0x200004e2, 5, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200004e3, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200004e3, 0, 7, 1);
  *(uint32_t*)0x200004e4 = htobe32(1);
  *(uint16_t*)0x200004e8 = 9;
  *(uint16_t*)0x200004ea = 1;
  memcpy((void*)0x200004ec, "syz0\000", 5);
  *(uint16_t*)0x200004f4 = 4;
  STORE_BY_BITMASK(uint16_t, , 0x200004f6, 7, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200004f7, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200004f7, 1, 7, 1);
  *(uint16_t*)0x200004f8 = 0x24;
  STORE_BY_BITMASK(uint16_t, , 0x200004fa, 7, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200004fb, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200004fb, 1, 7, 1);
  *(uint16_t*)0x200004fc = 8;
  STORE_BY_BITMASK(uint16_t, , 0x200004fe, 1, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200004ff, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200004ff, 0, 7, 1);
  *(uint32_t*)0x20000500 = htobe32(3);
  *(uint16_t*)0x20000504 = 8;
  STORE_BY_BITMASK(uint16_t, , 0x20000506, 2, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000507, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000507, 0, 7, 1);
  *(uint32_t*)0x20000508 = htobe32(6);
  *(uint16_t*)0x2000050c = 8;
  STORE_BY_BITMASK(uint16_t, , 0x2000050e, 1, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x2000050f, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x2000050f, 0, 7, 1);
  *(uint32_t*)0x20000510 = htobe32(0x100);
  *(uint16_t*)0x20000514 = 8;
  STORE_BY_BITMASK(uint16_t, , 0x20000516, 2, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000517, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000517, 0, 7, 1);
  *(uint32_t*)0x20000518 = htobe32(6);
  *(uint16_t*)0x2000051c = 8;
  STORE_BY_BITMASK(uint16_t, , 0x2000051e, 5, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x2000051f, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x2000051f, 0, 7, 1);
  *(uint32_t*)0x20000520 = htobe32(0);
  *(uint16_t*)0x20000524 = 0x1c;
  STORE_BY_BITMASK(uint16_t, , 0x20000526, 7, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000527, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000527, 1, 7, 1);
  *(uint16_t*)0x20000528 = 8;
  STORE_BY_BITMASK(uint16_t, , 0x2000052a, 2, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x2000052b, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x2000052b, 0, 7, 1);
  *(uint32_t*)0x2000052c = htobe32(8);
  *(uint16_t*)0x20000530 = 8;
  STORE_BY_BITMASK(uint16_t, , 0x20000532, 2, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000533, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000533, 0, 7, 1);
  *(uint32_t*)0x20000534 = htobe32(0x101);
  *(uint16_t*)0x20000538 = 8;
  STORE_BY_BITMASK(uint16_t, , 0x2000053a, 1, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x2000053b, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x2000053b, 0, 7, 1);
  *(uint32_t*)0x2000053c = htobe32(0xe3b);
  *(uint16_t*)0x20000540 = 0x44;
  STORE_BY_BITMASK(uint16_t, , 0x20000542, 7, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000543, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000543, 1, 7, 1);
  *(uint16_t*)0x20000544 = 8;
  STORE_BY_BITMASK(uint16_t, , 0x20000546, 1, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000547, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000547, 0, 7, 1);
  *(uint32_t*)0x20000548 = htobe32(4);
  *(uint16_t*)0x2000054c = 8;
  STORE_BY_BITMASK(uint16_t, , 0x2000054e, 1, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x2000054f, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x2000054f, 0, 7, 1);
  *(uint32_t*)0x20000550 = htobe32(0x8000);
  *(uint16_t*)0x20000554 = 8;
  STORE_BY_BITMASK(uint16_t, , 0x20000556, 2, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000557, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000557, 0, 7, 1);
  *(uint32_t*)0x20000558 = htobe32(8);
  *(uint16_t*)0x2000055c = 8;
  STORE_BY_BITMASK(uint16_t, , 0x2000055e, 1, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x2000055f, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x2000055f, 0, 7, 1);
  *(uint32_t*)0x20000560 = htobe32(1);
  *(uint16_t*)0x20000564 = 8;
  STORE_BY_BITMASK(uint16_t, , 0x20000566, 2, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000567, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000567, 0, 7, 1);
  *(uint32_t*)0x20000568 = htobe32(0xb2);
  *(uint16_t*)0x2000056c = 8;
  STORE_BY_BITMASK(uint16_t, , 0x2000056e, 2, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x2000056f, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x2000056f, 0, 7, 1);
  *(uint32_t*)0x20000570 = htobe32(2);
  *(uint16_t*)0x20000574 = 8;
  STORE_BY_BITMASK(uint16_t, , 0x20000576, 2, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000577, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000577, 0, 7, 1);
  *(uint32_t*)0x20000578 = htobe32(0xfffffffe);
  *(uint16_t*)0x2000057c = 8;
  STORE_BY_BITMASK(uint16_t, , 0x2000057e, 1, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x2000057f, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x2000057f, 0, 7, 1);
  *(uint32_t*)0x20000580 = htobe32(0xffffff81);
  *(uint64_t*)0x20000448 = 0xc4;
  *(uint64_t*)0x20000498 = 1;
  *(uint64_t*)0x200004a0 = 0;
  *(uint64_t*)0x200004a8 = 0;
  *(uint32_t*)0x200004b0 = 0x10;
  syscall(__NR_sendmsg, r[0], 0x20000480ul, 0x20000000ul);
  {
    int i;
    for (i = 0; i < 32; i++) {
      syscall(__NR_sendmsg, r[0], 0x20000480ul, 0x20000000ul);
    }
  }
  *(uint64_t*)0x20000400 = 0;
  *(uint32_t*)0x20000408 = 0;
  *(uint64_t*)0x20000410 = 0x200003c0;
  *(uint64_t*)0x200003c0 = 0x20000380;
  *(uint32_t*)0x20000380 = 0x1c;
  *(uint8_t*)0x20000384 = 0;
  *(uint8_t*)0x20000385 = 1;
  *(uint16_t*)0x20000386 = 0x201;
  *(uint32_t*)0x20000388 = 0;
  *(uint32_t*)0x2000038c = 0;
  *(uint8_t*)0x20000390 = 7;
  *(uint8_t*)0x20000391 = 0;
  *(uint16_t*)0x20000392 = htobe16(0xa);
  *(uint16_t*)0x20000394 = 6;
  STORE_BY_BITMASK(uint16_t, , 0x20000396, 0x12, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000397, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000397, 0, 7, 1);
  *(uint16_t*)0x20000398 = htobe16(2);
  *(uint64_t*)0x200003c8 = 0x1c;
  *(uint64_t*)0x20000418 = 1;
  *(uint64_t*)0x20000420 = 0;
  *(uint64_t*)0x20000428 = 0;
  *(uint32_t*)0x20000430 = 0x804;
  syscall(__NR_sendmsg, r[0], 0x20000400ul, 0ul);
  {
    int i;
    for (i = 0; i < 64; i++) {
      syscall(__NR_sendmsg, r[0], 0x20000400ul, 0ul);
    }
  }
  *(uint64_t*)0x20000080 = 0;
  *(uint32_t*)0x20000088 = 0;
  *(uint64_t*)0x20000090 = 0x20000100;
  *(uint64_t*)0x20000100 = 0x200000c0;
  *(uint32_t*)0x200000c0 = 0x3c;
  *(uint8_t*)0x200000c4 = 0xd;
  *(uint8_t*)0x200000c5 = 6;
  *(uint16_t*)0x200000c6 = 0x401;
  *(uint32_t*)0x200000c8 = 0;
  *(uint32_t*)0x200000cc = 0;
  *(uint8_t*)0x200000d0 = 0;
  *(uint8_t*)0x200000d1 = 0;
  *(uint16_t*)0x200000d2 = htobe16(0);
  *(uint16_t*)0x200000d4 = 0x15;
  *(uint16_t*)0x200000d6 = 3;
  memcpy((void*)0x200000d8, "hash:ip,port,net\000", 17);
  *(uint16_t*)0x200000ec = 5;
  *(uint16_t*)0x200000ee = 1;
  *(uint8_t*)0x200000f0 = 6;
  *(uint16_t*)0x200000f4 = 5;
  *(uint16_t*)0x200000f6 = 5;
  *(uint8_t*)0x200000f8 = 3;
  *(uint64_t*)0x20000108 = 0x3c;
  *(uint64_t*)0x20000098 = 1;
  *(uint64_t*)0x200000a0 = 0;
  *(uint64_t*)0x200000a8 = 0;
  *(uint32_t*)0x200000b0 = 0;
  syscall(__NR_sendmsg, r[0], 0x20000080ul, 0ul);
  {
    int i;
    for (i = 0; i < 64; i++) {
      syscall(__NR_sendmsg, r[0], 0x20000080ul, 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;
}