r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000002700)='/proc/stat\x00', 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0)