// https://syzkaller.appspot.com/bug?id=31e9db1e7d8d3891aeb5fa09ab596ca27654cc52
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <pwd.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/resource.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

static void kill_and_wait(int pid, int* status)
{
  kill(pid, SIGKILL);
  while (waitpid(-1, status, 0) != pid) {
  }
}

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 __syscall syscall

static void sandbox_common()
{
  if (setsid() == -1)
    exit(1);
  struct rlimit rlim;
  rlim.rlim_cur = rlim.rlim_max = 8 << 20;
  setrlimit(RLIMIT_MEMLOCK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_FSIZE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_STACK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 0;
  setrlimit(RLIMIT_CORE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 256;
  setrlimit(RLIMIT_NOFILE, &rlim);
}

static void loop();

static int do_sandbox_none(void)
{
  sandbox_common();
  loop();
  return 0;
}

static void execute_one(void);

#define WAIT_FLAGS 0

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      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[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x20000000, "/dev/rvnd0c\000", 12);
  res = syscall(SYS_openat, 0xffffffffffffff9cul, 0x20000000ul, 0ul, 0ul);
  if (res != -1)
    r[0] = res;
  syscall(SYS_ioctl, r[0], 0x20006473ul, 0ul);
  memcpy((void*)0x20000000, "/dev/rvnd0c\000", 12);
  res = syscall(SYS_openat, 0xffffffffffffff9cul, 0x20000000ul, 0ul, 0ul);
  if (res != -1)
    r[1] = res;
  syscall(SYS_ioctl, -1, 0xc4104603ul, 0ul);
  memcpy((void*)0x20000040, "./file0\000", 8);
  res = syscall(SYS_open, 0x20000040ul, 0x70eul, 0ul);
  if (res != -1)
    r[2] = res;
  *(uint64_t*)0x20000000 = 0x200004c0;
  memcpy((void*)0x200004c0,
         "\x0e\xc4\x65\xcd\xab\x1a\xb6\x92\x5c\xb8\x12\x35\xdb\xb1\x73\x99\xc0"
         "\x70\xdd\xe2\x03\xe5\x02\x10\x6f\x69\x0d\x99\x47\x36\x4f\xe3\x56\x95"
         "\x60\xe7\x3b\xfa\x90\x12\x26\x3c\x0e\xf6\xeb\x62\x6a\xd7\x9d\x51\xe7"
         "\xb4\x60\x78\x79\x07\x2c\xa3\x38\x09\xa8\x54\x43\xbe\xf8\xe0\x11\xb3"
         "\xe2\xe6\x3d\xe6\xf9\x63\x7c\xa6\xe4\x22\x10\x6a\x6a\x17\x62\xb6\x7f"
         "\x56\x08\x14\xee\xf6\xdc\xb3\xf3\x9a\x2e\x51\x60\x02\x51\xfb\xad\x1e"
         "\xe8\x20\x88\xa7\x5c\xa3\x76\x47\x29\xaf\x3f\x3d\x4d\x96\x7c\xe8\xaa"
         "\xdb\x3c\x3f\xd7\xf9\xae\x4f\x4c\x83\xb2",
         129);
  *(uint64_t*)0x20000008 = 0xfffffe1a;
  syscall(SYS_writev, r[2], 0x20000000ul, 1ul);
  *(uint64_t*)0x20000680 = 0x20000600;
  memcpy((void*)0x20000600, "./file0\000", 8);
  *(uint64_t*)0x20000688 = 0x10001;
  *(uint64_t*)0x20000690 = 0x20000280;
  memcpy((void*)0x20000280, "./file0/../file0\000", 17);
  *(uint32_t*)0x20000698 = 0x11;
  syscall(SYS_ioctl, r[1], 0xc0384600ul, 0x20000680ul);
  syscall(SYS_ioctl, r[2], 0xc0384600ul, 0ul);
}
int main(void)
{
  syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x1012ul, -1, 0ul);
  do_sandbox_none();
  return 0;
}