[Linux Kernel Bug] WARNING: zero-size vmalloc in ubi_read_volume_table

Richard Weinberger richard at nod.at
Wed Jan 24 01:30:03 PST 2024


Chenyuan,

----- Ursprüngliche Mail -----
> Von: "Chenyuan Yang" <cy54 at illinois.edu>
> mtd0
> Name:                           mtdram test device
> Type:                           ram
> Eraseblock size:                4096 bytes, 4.0 KiB

You're working with an extremely small MTD and the fuzzer set the VID
offset to a large value. As a consequence, the LEB size was smaller than
a single volume table record and the calculation of the volume table returned
zero.
Fix sent.

Thanks,
//richard



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