syzkaller-repros/linux/540557aac4414d66fca7067d9b32f835363f5664.c

// KMSAN: uninit-value in raw6_local_deliver
// https://syzkaller.appspot.com/bug?id=540557aac4414d66fca7067d9b32f835363f5664
// status:invalid
// 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, 0x802, 0);
  if (res != -1)
    r[0] = res;
  *(uint16_t*)0x20000640 = 0xa;
  *(uint16_t*)0x20000642 = htobe16(0x4e22);
  *(uint32_t*)0x20000644 = 0;
  *(uint8_t*)0x20000648 = -1;
  *(uint8_t*)0x20000649 = 1;
  *(uint8_t*)0x2000064a = 0;
  *(uint8_t*)0x2000064b = 0;
  *(uint8_t*)0x2000064c = 0;
  *(uint8_t*)0x2000064d = 0;
  *(uint8_t*)0x2000064e = 0;
  *(uint8_t*)0x2000064f = 0;
  *(uint8_t*)0x20000650 = 0;
  *(uint8_t*)0x20000651 = 0;
  *(uint8_t*)0x20000652 = 0;
  *(uint8_t*)0x20000653 = 0;
  *(uint8_t*)0x20000654 = 0;
  *(uint8_t*)0x20000655 = 0;
  *(uint8_t*)0x20000656 = 0;
  *(uint8_t*)0x20000657 = 1;
  *(uint32_t*)0x20000658 = 0;
  syscall(__NR_sendto, r[0], 0x20000980, 0xfe03, 0, 0x20000640, 0x1c);
  *(uint32_t*)0x20000600 = 0;
  *(uint32_t*)0x20000604 = 0;
  *(uint32_t*)0x20000608 = 0;
  *(uint32_t*)0x2000060c = 0;
  *(uint32_t*)0x20000610 = 0;
  *(uint32_t*)0x20000614 = 0xa10;
}

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