r0 = memfd_create(&(0x7f0000000340)='\x00', 0x2)
fcntl$addseals(r0, 0x409, 0x15)
mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x7fffffffffffb, 0x13, r0, 0x0)