r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000b40)='/proc/stat\x00', 0x0, 0x0)
vmsplice(r0, &(0x7f0000000640)=[{&(0x7f0000000000)='z', 0x1}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x9, 0x0)