AddressSanitizer:DEADLYSIGNAL
=================================================================
==9224==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000008 (pc 0x00000051b3a8 bp 0x7ffc1ceb14b0 sp 0x7ffc1ceb0f90 T0)
==9224==The signal is caused by a READ memory access.
==9224==Hint: address points to the zero page.
    #0 0x51b3a7  (/out/package/test_part1_new_memcheck+0x51b3a7)
    #1 0x5207dd  (/out/package/test_part1_new_memcheck+0x5207dd)
    #2 0x5227b1  (/out/package/test_part1_new_memcheck+0x5227b1)
    #3 0x7f94e827db96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41dd29  (/out/package/test_part1_new_memcheck+0x41dd29)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/test_part1_new_memcheck+0x51b3a7) 
==9224==ABORTING

nullptr
nullptr
nullptr
1
3
7
8
4
nullptr
10
1
3
7
8
4
nullptr
10
nullptr

2
5
11
12
6
13
14
6
13
27
nullptr
14
29
30
2
5
11
12
6
13
14
0
1
3
4
2
5
6
0
1
3
4
2
5
6
nullptr
2
5
11
12
6
13
14
6
13
27
nullptr
14
29
30
2
5
11
12
6
13
14
0
1
3
4
2
5
6
0
1
3
4
2
5
6
nullptr
2
5
11
12
6
13
14
6
13
27
nullptr
14
29
30
2
5
11
12
6
13
14
0
1
3
4
2
5
6
0
1
3
4
2
5
6
nullptr
2
5
11
12
6
13
14
6
13
27
nullptr
14
29
30
0
1
3
4
2
5
6
0
1
3
4
2
5
6
0
1
3
4
2
5
6
nullptr
2
5
11
12
6
13
14
6
13
27
nullptr
14
29
30
2
5
11
12
6
13
14
0
1
3
4
2
5
6
0
1
3
4
2
5
6
nullptr
2
5
11
12
6
13
14
6
13
27
nullptr
14
29
30
0
1
3
4
2
5
6
0
1
3
4
2
5
6
0
1
3
4
2
5
6
nullptr
2
5
11
12
6
13
14
6
13
27
nullptr
14
29
30
2
5
11
12
6
13
14
0
1
3
4
2
5
6
0
1
3
4
2
5
6
nullptr
2
5
11
12
6
13
14
6
13
27
nullptr
14
29
30
0
1
3
4
2
5
6
0
1
3
4
2
5
6
0
1
3
4
2
5
6
nullptr
2
5
11
12
6
13
14
6
13
27
nullptr
14
29
30
2
5
11
12
6
13
14
0
1
3
4
2
5
6
0
1
3
4
2
5
6
nullptr
2
5
11
12
6
13
14
6
13
27
nullptr
14
29
30
2
5
11
12
6
13
14
0
1
3
4
2
5
6
0
1
3
4
2
5
6
nullptr