gpu: nova-core: use checked arithmetic in Booter signature parsing

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Use checked_add() when computing signature offsets from firmware-
provided values in signatures_iter().

Without checked arithmetic, overflow could wrap to a small plausible
offset that points to entirely wrong data.

Reviewed-by: Zhi Wang <zhiw@nvidia.com>
Signed-off-by: Joel Fernandes <joelagnelf@nvidia.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://patch.msgid.link/20260126202305.2526618-3-joelagnelf@nvidia.com
[acourbot@nvidia.com: remove obvious computation comments.]
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>

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Joel Fernandes 2026-01-26 15:23:02 -05:00 • committed by Alexandre Courbot

parent 0568b376a0

commit 4f26096854

1 changed files with 12 additions and 5 deletions

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drivers/gpu/nova-core/firmware/booter.rs

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