// https://syzkaller.appspot.com/bug?id=2a622455acd7051c6cf85c360cd116118a587726
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE
#include <endian.h>
#include <fcntl.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <unistd.h>

static uintptr_t syz_open_dev(uintptr_t a0, uintptr_t a1, uintptr_t a2)
{
  if (a0 == 0xc || a0 == 0xb) {
    char buf[128];
    sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1,
            (uint8_t)a2);
    return open(buf, O_RDWR, 0);
  } else {
    char buf[1024];
    char* hash;
    strncpy(buf, (char*)a0, sizeof(buf) - 1);
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(a1 % 10);
      a1 /= 10;
    }
    return open(buf, a2, 0);
  }
}

static void execute_one();
extern unsigned long long procid;

void loop()
{
  while (1) {
    execute_one();
  }
}

uint64_t r[1] = {0xffffffffffffffff};
unsigned long long procid;
void execute_one()
{
  long res = 0;
  memcpy((void*)0x20000040, "/dev/dsp#", 10);
  res = syz_open_dev(0x20000040, 1, 0);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000540, "./file0", 8);
  syscall(__NR_mknod, 0x20000540, 0x1040, 0);
  memcpy((void*)0x20000000, "./file0", 8);
  memcpy((void*)0x20000080, "9p", 3);
  memcpy((void*)0x200000c0, "trans=fd,", 9);
  memcpy((void*)0x200000c9, "rfdno", 5);
  *(uint8_t*)0x200000ce = 0x3d;
  sprintf((char*)0x200000cf, "0x%016llx", (long long)r[0]);
  *(uint8_t*)0x200000e1 = 0x2c;
  memcpy((void*)0x200000e2, "wfdno", 5);
  *(uint8_t*)0x200000e7 = 0x3d;
  sprintf((char*)0x200000e8, "0x%016llx", (long long)r[0]);
  *(uint8_t*)0x200000fa = 0x2c;
  memcpy((void*)0x200000fb, "access=user", 11);
  *(uint8_t*)0x20000106 = 0x2c;
  memcpy((void*)0x20000107, "cache=fscache", 13);
  *(uint8_t*)0x20000114 = 0x2c;
  memcpy((void*)0x20000115, "debug", 5);
  *(uint8_t*)0x2000011a = 0x3d;
  sprintf((char*)0x2000011b, "0x%016llx", (long long)3);
  *(uint8_t*)0x2000012d = 0x2c;
  memcpy((void*)0x2000012e, "posixacl", 8);
  *(uint8_t*)0x20000136 = 0x2c;
  *(uint8_t*)0x20000137 = 0;
  syscall(__NR_mount, 0, 0x20000000, 0x20000080, 0x800000, 0x200000c0);
  *(uint64_t*)0x20000480 = 0x200003c0;
  *(uint64_t*)0x20000488 = 0x83;
  syscall(__NR_readv, r[0], 0x20000480, 1);
  *(uint64_t*)0x20003ff8 = 0;
  syscall(__NR_ioctl, r[0], 0x80000000005001, 0x20003ff8);
}

int main()
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  for (procid = 0; procid < 8; procid++) {
    if (fork() == 0) {
      for (;;) {
        loop();
      }
    }
  }
  sleep(1000000);
  return 0;
}