Re: [PATCH v2 RESEND] mtd: afs: validate v2 image info bounds
Miquel Raynal <[email protected]>
| Newsgroups | org.infradead.lists.linux-mtd,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
On Wed, 08 Jul 2026 09:49:06 +0800, Pengpeng Hou wrote:
> The AFS v2 parser uses footer[8] to locate the image information block
> inside the current erase block, then uses the image information
> region_count to walk entries from a fixed local array. The footer offset
> and region count come from flash contents and are not checked against the
> erase block or the local image-info array before use.
>
> Reject v2 entries whose image information offset would underflow the
> erase block calculation, and reject region counts that cannot fit in the
> local image-info array before walking region entries.
>
> [...]
Applied to mtd/next, thanks!
[1/1] mtd: afs: validate v2 image info bounds
commit: e9290031f736e99ad17c25c00311c92c266843b7
Patche(s) should be available on mtd/linux.git and will be
part of the next PR (provided that no robot complains by then).
Kind regards,
Miquèl
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