r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0)
preadv(r0, &(0x7f0000000440)=[{&(0x7f0000000180)=""/114, 0x72}], 0x1, 0x7, 0x0)