r0 = open$dir(&(0x7f0000000040)='./file0\x00', 0x40, 0x0)
fsetxattr(r0, &(0x7f0000000080)=@known='system.posix_acl_default\x00', &(0x7f00000000c0)='-*{^#\x00', 0x6, 0x0)