// https://syzkaller.appspot.com/bug?id=568521060adf5c3a118e193e9e5555f51189ffd4
// 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);
  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) {
  }
}

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;
  for (iter = 0;; 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 < 5 * 1000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  res = syscall(__NR_socket, 0x10, 0x803, 0);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000000, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x07\x00"
                            "\x89\x80\xe8\xff\x06\x00\x6d\x20\x00\x2b\x1f\x00"
                            "\xc0\xe9\xff\x09\x4a\x51\xf1\x01\x01\xc7\x03\x35"
                            "\x00\xb0",
         38);
  syscall(__NR_write, r[0], 0x20000000, 0x26);
  *(uint32_t*)0x20d9bffc = 0;
  syscall(__NR_setsockopt, r[0], 1, 8, 0x20d9bffc, 4);
  *(uint64_t*)0x20001480 = 0;
  *(uint32_t*)0x20001488 = 0;
  *(uint64_t*)0x20001490 = 0x20001440;
  *(uint64_t*)0x20001440 = 0x200000c0;
  *(uint32_t*)0x200000c0 = 0x184;
  *(uint16_t*)0x200000c4 = 0x30;
  *(uint16_t*)0x200000c6 = 0x10dd;
  *(uint32_t*)0x200000c8 = 0x70bd2c;
  *(uint32_t*)0x200000cc = 0x25dfdbfb;
  *(uint8_t*)0x200000d0 = 0;
  *(uint8_t*)0x200000d1 = 0;
  *(uint16_t*)0x200000d2 = 0;
  *(uint16_t*)0x200000d4 = 0x7c;
  *(uint16_t*)0x200000d6 = 1;
  *(uint16_t*)0x200000d8 = 0x78;
  *(uint32_t*)0x200000da = 0x1b;
  *(uint16_t*)0x200000de = 0x10;
  *(uint16_t*)0x200000e0 = 1;
  memcpy((void*)0x200000e2, "tunnel_key\000", 11);
  *(uint16_t*)0x200000ee = 0x5c;
  *(uint16_t*)0x200000f0 = 2;
  *(uint16_t*)0x200000f2 = 0x14;
  *(uint16_t*)0x200000f4 = 5;
  *(uint8_t*)0x200000f6 = 0xfe;
  *(uint8_t*)0x200000f7 = 0x88;
  *(uint8_t*)0x200000f8 = 0;
  *(uint8_t*)0x200000f9 = 0;
  *(uint8_t*)0x200000fa = 0;
  *(uint8_t*)0x200000fb = 0;
  *(uint8_t*)0x200000fc = 0;
  *(uint8_t*)0x200000fd = 0;
  *(uint8_t*)0x200000fe = 0;
  *(uint8_t*)0x200000ff = 0;
  *(uint8_t*)0x20000100 = 0;
  *(uint8_t*)0x20000101 = 0;
  *(uint8_t*)0x20000102 = 0;
  *(uint8_t*)0x20000103 = 0;
  *(uint8_t*)0x20000104 = 0;
  *(uint8_t*)0x20000105 = 1;
  *(uint16_t*)0x20000106 = 8;
  *(uint16_t*)0x20000108 = 7;
  *(uint32_t*)0x2000010a = 0x3a;
  *(uint16_t*)0x2000010e = 8;
  *(uint16_t*)0x20000110 = 3;
  *(uint8_t*)0x20000112 = 0xac;
  *(uint8_t*)0x20000113 = 0x14;
  *(uint8_t*)0x20000114 = 0x14;
  *(uint8_t*)0x20000115 = 0xbb;
  *(uint16_t*)0x20000116 = 8;
  *(uint16_t*)0x20000118 = 4;
  *(uint32_t*)0x2000011a = htobe32(0);
  *(uint16_t*)0x2000011e = 8;
  *(uint16_t*)0x20000120 = 0xa;
  *(uint8_t*)0x20000122 = 0;
  *(uint16_t*)0x20000126 = 8;
  *(uint16_t*)0x20000128 = 4;
  *(uint8_t*)0x2000012a = 0xac;
  *(uint8_t*)0x2000012b = 0x14;
  *(uint8_t*)0x2000012c = 0x14;
  *(uint8_t*)0x2000012d = 0xbb;
  *(uint16_t*)0x2000012e = 0x14;
  *(uint16_t*)0x20000130 = 6;
  memcpy((void*)0x20000132,
         "\x06\x1b\x6a\x2d\x24\x36\x8b\xb1\x64\x35\xe8\x9f\x9f\x33\xcb\xfa",
         16);
  *(uint16_t*)0x20000142 = 8;
  *(uint16_t*)0x20000144 = 3;
  *(uint8_t*)0x20000146 = 0xac;
  *(uint8_t*)0x20000147 = 0x14;
  *(uint8_t*)0x20000148 = 0x14;
  *(uint8_t*)0x20000149 = 0xaa;
  *(uint16_t*)0x2000014a = 4;
  *(uint16_t*)0x2000014c = 6;
  *(uint16_t*)0x20000150 = 0x48;
  *(uint16_t*)0x20000152 = 1;
  *(uint16_t*)0x20000154 = 0x44;
  *(uint32_t*)0x20000156 = 0x15;
  *(uint16_t*)0x2000015a = 0xc;
  *(uint16_t*)0x2000015c = 1;
  memcpy((void*)0x2000015e, "simple\000", 7);
  *(uint16_t*)0x20000166 = 0x2c;
  *(uint16_t*)0x20000168 = 2;
  *(uint16_t*)0x2000016a = 0x1c;
  *(uint16_t*)0x2000016c = 3;
  memcpy((void*)0x2000016e, "vboxnet0eth1(eth1GPL\000", 21);
  *(uint16_t*)0x20000186 = 0xc;
  *(uint16_t*)0x20000188 = 3;
  memcpy((void*)0x2000018a, ")ppp0\000", 6);
  *(uint16_t*)0x20000192 = 4;
  *(uint16_t*)0x20000194 = 6;
  *(uint16_t*)0x20000198 = 0x78;
  *(uint16_t*)0x2000019a = 1;
  *(uint16_t*)0x2000019c = 0x74;
  *(uint32_t*)0x2000019e = 8;
  *(uint16_t*)0x200001a2 = 0xc;
  *(uint16_t*)0x200001a4 = 1;
  memcpy((void*)0x200001a6, "simple\000", 7);
  *(uint16_t*)0x200001ae = 0x5c;
  *(uint16_t*)0x200001b0 = 2;
  *(uint16_t*)0x200001b2 = 8;
  *(uint16_t*)0x200001b4 = 3;
  memcpy((void*)0x200001b6, "\000", 1);
  *(uint16_t*)0x200001ba = 0xc;
  *(uint16_t*)0x200001bc = 3;
  memcpy((void*)0x200001be, "#@\276&\000", 5);
  *(uint16_t*)0x200001c6 = 0x18;
  *(uint16_t*)0x200001c8 = 3;
  memcpy((void*)0x200001ca, "bdevloem0trusted\000", 17);
  *(uint16_t*)0x200001de = 0x18;
  *(uint16_t*)0x200001e0 = 2;
  *(uint32_t*)0x200001e2 = 5;
  *(uint32_t*)0x200001e6 = 3;
  *(uint32_t*)0x200001ea = 5;
  *(uint32_t*)0x200001ee = 7;
  *(uint32_t*)0x200001f2 = 0x401;
  *(uint16_t*)0x200001f6 = 0x14;
  *(uint16_t*)0x200001f8 = 3;
  memcpy((void*)0x200001fa, "+system/\'system\000", 16);
  *(uint16_t*)0x2000020a = 4;
  *(uint16_t*)0x2000020c = 6;
  *(uint16_t*)0x20000210 = 0x34;
  *(uint16_t*)0x20000212 = 1;
  *(uint16_t*)0x20000214 = 0x30;
  *(uint32_t*)0x20000216 = 2;
  *(uint16_t*)0x2000021a = 8;
  *(uint16_t*)0x2000021c = 1;
  memcpy((void*)0x2000021e, "ipt\000", 4);
  *(uint16_t*)0x20000222 = 0x1c;
  *(uint16_t*)0x20000224 = 2;
  *(uint16_t*)0x20000226 = 8;
  *(uint16_t*)0x20000228 = 3;
  *(uint32_t*)0x2000022a = 0x100;
  *(uint16_t*)0x2000022e = 8;
  *(uint16_t*)0x20000230 = 2;
  *(uint32_t*)0x20000232 = 4;
  *(uint16_t*)0x20000236 = 8;
  *(uint16_t*)0x20000238 = 2;
  *(uint32_t*)0x2000023a = 3;
  *(uint16_t*)0x2000023e = 4;
  *(uint16_t*)0x20000240 = 6;
  *(uint64_t*)0x20001448 = 0x184;
  *(uint64_t*)0x20001498 = 1;
  *(uint64_t*)0x200014a0 = 0;
  *(uint64_t*)0x200014a8 = 0;
  *(uint32_t*)0x200014b0 = 0x10;
  syscall(__NR_sendmsg, r[0], 0x20001480, 0x20000010);
}
int main(void)
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  loop();
  return 0;
}