r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/timer_list\x00', 0x0, 0x0)
preadv(r0, &(0x7f0000001580)=[{&(0x7f0000000280)=""/4096, 0x1000}, {&(0x7f0000001e00)=""/4096, 0x1000}], 0x2, 0x7ff, 0x0)