r0 = memfd_create(&(0x7f0000000340)='\x00', 0x2)
pwritev2(r0, &(0x7f00000006c0)=[{&(0x7f0000000040)='O', 0x1}], 0x1, 0x7fff, 0x0, 0x0)
fcntl$addseals(r0, 0x409, 0xe)
r1 = dup(r0)
ftruncate(r1, 0x0)