truss excerpt:
```
shm_open2(SHM_ANON,O_RDWR|O_CLOEXEC,00,0x1SHM_ALLOW_SEALING,0x7fffffffe9980) = 3 (0x3)
```
kdump excerpt:
```
40660 a.out CALL shm_open2(0x1,0x100002<O_RDWR|O_CLOEXEC>,0,0x1<SHM_ALLOW_SEALING>,0x7fffffffe990)
40660 a.out RET shm_open2 3
```