syzkaller-repros/linux/3120afdf15ad1b3da8a89af459e4d8feac2432d6.c

// general protection fault in xsk_diag_dump
// https://syzkaller.appspot.com/bug?id=3120afdf15ad1b3da8a89af459e4d8feac2432d6
// status:fixed
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  long res = 0;
  res = syscall(__NR_socket, 0x10, 3, 0x400000000000004);
  if (res != -1)
    r[0] = res;
  res = syscall(__NR_socket, 0x2c, 3, 0);
  if (res != -1)
    r[1] = res;
  *(uint64_t*)0x20000080 = 0x20000000;
  *(uint64_t*)0x20000088 = 0x2000;
  *(uint32_t*)0x20000090 = 0x1000;
  *(uint32_t*)0x20000094 = 0;
  syscall(__NR_setsockopt, r[1], 0x11b, 4, 0x20000080, 0x48);
  *(uint32_t*)0x200000c0 = 4;
  syscall(__NR_setsockopt, r[1], 0x11b, 5, 0x200000c0, 4);
  *(uint64_t*)0x20000080 = 0x20000100;
  memcpy((void*)0x20000100, "\x48\x00\x00\x00\x14\x00\x19\x0d\x09\x00\x4b\xea"
                            "\xfd\x0d\x8c\x56\x2c\x84\xed\x7a\x80\xff\xe0\x06"
                            "\x0f\x00\x00\x00\x00\x00\x00\xa2\xbc\x56\x03\xca"
                            "\x00\x00\x0f\x7f\x89\x00\x00\x00\x20\x00\x00\x00"
                            "\x01\x01\xff\x00\x00\x00\x03\x09\xff\x5b\xff\xff"
                            "\x00\xc7\xe5\xed\x4e\x00\x00\x00\x00\x00\x00\x00",
         72);
  *(uint64_t*)0x20000088 = 0x48;
  syscall(__NR_writev, r[0], 0x20000080, 1);
  return 0;
}