r0 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/timer_list\x00', 0x0, 0x0)
r1 = io_uring_setup(0x1a75, &(0x7f0000000000)={0x0, 0xe858})
sendfile(r1, r0, 0x0, 0x4)