syzkaller-repros/linux/6f63dd43a3128aad6ccc78b0fdac97d714dae9ec.c

// 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>

#define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off))
#define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len)               \
  *(type*)(addr) =                                                             \
      htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) |           \
            (((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len))))

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

int main(void)
{
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x32ul, -1, 0);
  intptr_t res = 0;
  res = syscall(__NR_socket, 0x10ul, 3ul, 0xcul);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x20000000 = 0;
  *(uint32_t*)0x20000008 = 0;
  *(uint64_t*)0x20000010 = 0x20000080;
  *(uint64_t*)0x20000080 = 0x20000f80;
  *(uint32_t*)0x20000f80 = 0x58;
  *(uint8_t*)0x20000f84 = 2;
  *(uint8_t*)0x20000f85 = 6;
  *(uint16_t*)0x20000f86 = 1;
  *(uint32_t*)0x20000f88 = 0;
  *(uint32_t*)0x20000f8c = 0;
  *(uint8_t*)0x20000f90 = 0;
  *(uint8_t*)0x20000f91 = 0;
  *(uint16_t*)0x20000f92 = htobe16(0);
  *(uint16_t*)0x20000f94 = 0x12;
  *(uint16_t*)0x20000f96 = 3;
  memcpy((void*)0x20000f98, "hash:net,port\000", 14);
  *(uint16_t*)0x20000fa8 = 5;
  *(uint16_t*)0x20000faa = 4;
  *(uint8_t*)0x20000fac = 0;
  *(uint16_t*)0x20000fb0 = 9;
  *(uint16_t*)0x20000fb2 = 2;
  memcpy((void*)0x20000fb4, "syz0\000", 5);
  *(uint16_t*)0x20000fbc = 0xc;
  STORE_BY_BITMASK(uint16_t, , 0x20000fbe, 7, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000fbf, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000fbf, 1, 7, 1);
  *(uint16_t*)0x20000fc0 = 8;
  STORE_BY_BITMASK(uint16_t, , 0x20000fc2, 6, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000fc3, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000fc3, 0, 7, 1);
  *(uint32_t*)0x20000fc4 = htobe32(0);
  *(uint16_t*)0x20000fc8 = 5;
  *(uint16_t*)0x20000fca = 5;
  *(uint8_t*)0x20000fcc = 2;
  *(uint16_t*)0x20000fd0 = 5;
  *(uint16_t*)0x20000fd2 = 1;
  *(uint8_t*)0x20000fd4 = 7;
  *(uint64_t*)0x20000088 = 0x58;
  *(uint64_t*)0x20000018 = 1;
  *(uint64_t*)0x20000020 = 0;
  *(uint64_t*)0x20000028 = 0;
  *(uint32_t*)0x20000030 = 0;
  syscall(__NR_sendmsg, r[0], 0x20000000ul, 0ul);
  res = syscall(__NR_socket, 0x10ul, 3ul, 0xcul);
  if (res != -1)
    r[1] = res;
  *(uint64_t*)0x20000180 = 0;
  *(uint32_t*)0x20000188 = 0;
  *(uint64_t*)0x20000190 = 0x20000140;
  *(uint64_t*)0x20000140 = 0x20000080;
  *(uint32_t*)0x20000080 = 0x4c;
  *(uint8_t*)0x20000084 = 0xb;
  *(uint8_t*)0x20000085 = 6;
  *(uint16_t*)0x20000086 = 1;
  *(uint32_t*)0x20000088 = 0;
  *(uint32_t*)0x2000008c = 0;
  *(uint8_t*)0x20000090 = 0;
  *(uint8_t*)0x20000091 = 0;
  *(uint16_t*)0x20000092 = htobe16(0);
  *(uint16_t*)0x20000094 = 5;
  *(uint16_t*)0x20000096 = 1;
  *(uint8_t*)0x20000098 = 7;
  *(uint16_t*)0x2000009c = 9;
  *(uint16_t*)0x2000009e = 2;
  memcpy((void*)0x200000a0, "syz0\000", 5);
  *(uint16_t*)0x200000a8 = 0x24;
  STORE_BY_BITMASK(uint16_t, , 0x200000aa, 7, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200000ab, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200000ab, 1, 7, 1);
  *(uint16_t*)0x200000ac = 8;
  STORE_BY_BITMASK(uint16_t, , 0x200000ae, 9, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200000af, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200000af, 0, 7, 1);
  *(uint32_t*)0x200000b0 = htobe32(4);
  *(uint16_t*)0x200000b4 = 9;
  *(uint16_t*)0x200000b6 = 0x1a;
  memcpy((void*)0x200000b8, "syz0\000", 5);
  *(uint16_t*)0x200000c0 = 0xc;
  STORE_BY_BITMASK(uint16_t, , 0x200000c2, 2, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200000c3, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200000c3, 1, 7, 1);
  *(uint16_t*)0x200000c4 = 8;
  STORE_BY_BITMASK(uint16_t, , 0x200000c6, 1, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200000c7, 1, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200000c7, 0, 7, 1);
  *(uint8_t*)0x200000c8 = 0xac;
  *(uint8_t*)0x200000c9 = 0x14;
  *(uint8_t*)0x200000ca = 0x14;
  *(uint8_t*)0x200000cb = 0x16;
  *(uint64_t*)0x20000148 = 0x4c;
  *(uint64_t*)0x20000198 = 1;
  *(uint64_t*)0x200001a0 = 0;
  *(uint64_t*)0x200001a8 = 0;
  *(uint32_t*)0x200001b0 = 0;
  syscall(__NR_sendmsg, r[1], 0x20000180ul, 0ul);
  return 0;
}