r0 = mmap$IORING_OFF_CQ_RING(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x1000002, 0x80071, 0xffffffffffffffff, 0x8000000)
syz_io_uring_submit(r0, 0x0, 0x0, 0x0)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000001300)='smaps_rollup\x00')
readv(r1, &(0x7f0000001500)=[{&(0x7f0000001340)=""/215, 0xd7}], 0x1)