r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/timer_list\x00', 0x0, 0x0)
preadv(r0, &(0x7f0000001880)=[{&(0x7f00000017c0)=""/100, 0x64}], 0x1, 0xb053, 0x0)