r0 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/timers\x00', 0x0, 0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0, 0x13, r0, 0x0)