r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0)
ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f0000000200)={0x9})
lremovexattr(&(0x7f0000000180)='./file1\x00', &(0x7f00000001c0)=@known='system.posix_acl_default\x00')