r0 = fsopen(&(0x7f0000000000)='securityfs\x00', 0x0)
fsconfig$FSCONFIG_SET_STRING(r0, 0x6, 0x0, 0x0, 0x0)
r1 = dup2(r0, r0)
r2 = fsmount(r1, 0x0, 0x0)
mount_setattr(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000080)={0x100000, 0x0, 0x0, {r2}}, 0x20)