// https://syzkaller.appspot.com/bug?id=e6d1ed219bd92dd9b3e653eda032852996a9b457
// 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_procfs(uintptr_t a0, uintptr_t a1)
{

  char buf[128];
  memset(buf, 0, sizeof(buf));
  if (a0 == 0) {
    snprintf(buf, sizeof(buf), "/proc/self/%s", (char*)a1);
  } else if (a0 == (uintptr_t)-1) {
    snprintf(buf, sizeof(buf), "/proc/thread-self/%s", (char*)a1);
  } else {
    snprintf(buf, sizeof(buf), "/proc/self/task/%d/%s", (int)a0, (char*)a1);
  }
  int fd = open(buf, O_RDWR);
  if (fd == -1)
    fd = open(buf, O_RDONLY);
  return fd;
}

uint64_t r[1] = {0xffffffffffffffff};
void loop()
{
  long res = 0;
  memcpy((void*)0x20000040, "\x2f\x65\x78\x65\x00\x00\x00\x00\x00\x00\x35\xab"
                            "\xe1\xe8\x0d\x90\x3e\x0d\x71\x7a\xc1\x88\x9a\x45"
                            "\xe5\x81\xc9\xe1\x4a\x5c\x8f\x95\xf5\xd2\x96\x8a"
                            "\xe8\xc7\x67\xe9\xd1\x8f\xd6\x9a",
         44);
  res = syz_open_procfs(0, 0x20000040);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x20000180 = 0x20000000;
  *(uint16_t*)0x20000000 = 0x10;
  *(uint16_t*)0x20000002 = 0;
  *(uint32_t*)0x20000004 = 0;
  *(uint32_t*)0x20000008 = 0x40000;
  *(uint32_t*)0x20000188 = 0xc;
  *(uint64_t*)0x20000190 = 0x20000100;
  *(uint64_t*)0x20000100 = 0x20000080;
  *(uint32_t*)0x20000080 = 0x28;
  *(uint16_t*)0x20000084 = 0x43;
  *(uint16_t*)0x20000086 = 8;
  *(uint32_t*)0x20000088 = 0x70bd29;
  *(uint32_t*)0x2000008c = 0x25dfdbfc;
  *(uint8_t*)0x20000090 = 0x1f;
  *(uint8_t*)0x20000091 = 0;
  *(uint16_t*)0x20000092 = 0;
  *(uint16_t*)0x20000094 = 0xc;
  *(uint16_t*)0x20000096 = 8;
  *(uint64_t*)0x20000098 = 4;
  *(uint16_t*)0x200000a0 = 8;
  *(uint16_t*)0x200000a2 = 3;
  *(uint32_t*)0x200000a4 = 0;
  *(uint64_t*)0x20000108 = 0x28;
  *(uint64_t*)0x20000198 = 1;
  *(uint64_t*)0x200001a0 = 0;
  *(uint64_t*)0x200001a8 = 0;
  *(uint32_t*)0x200001b0 = 4;
  syscall(__NR_sendmsg, -1, 0x20000180, 0x40000);
  syscall(__NR_ftruncate, r[0], 0x8001);
}

int main()
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  loop();
  return 0;
}