r0 = syz_open_procfs(0x0, &(0x7f0000000080)='smaps\x00')
r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x882c2, 0x0)
fallocate(r1, 0x0, 0x0, 0x1000002)
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x100000f, 0x1f012, r1, 0x0)
pread64(r0, &(0x7f0000001100)=""/4095, 0x20001be3, 0x0)