r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./file1\x00', 0x1c1042, 0x0)
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000300)='/proc/keys\x00', 0x0, 0x0)
sendfile(r0, r1, 0x0, 0x10000027f)