pipe(&(0x7f0000000100)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
pipe(&(0x7f0000000100)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/hibernate_compression_threads', 0x0, 0x0)
dup2(r2, r1)
splice(r1, 0x0, r0, &(0x7f00000000c0), 0xfff, 0x0)