r0 = epoll_create(0x3ff)
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000280)='/proc/slabinfo\x00', 0x0, 0x0)
epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000000)={0x4})
dup2(r1, r0)