madvise(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x66)
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000000c0)='smaps_rollup\x00')
preadv(r0, &(0x7f0000000040)=[{&(0x7f00000001c0)=""/61, 0x3d}], 0x1, 0x0, 0x0)