From 14ae91a81ec8fa0bc23170d4aa16dd2a20d54105 Mon Sep 17 00:00:00 2001 From: Rhys Lloyd Date: Sat, 12 Jul 2025 19:51:08 -0700 Subject: [PATCH] gpu: nova-core: fix bounds check in PmuLookupTableEntry::new data is sliced from 2..6, but the bounds check data.len() < 5 does not satisfy those bounds. Fixes: 47c4846e4319 ("gpu: nova-core: vbios: Add support for FWSEC ucode extraction") Reviewed-by: Alexandre Courbot Reviewed-by: Joel Fernandes Signed-off-by: Rhys Lloyd Link: https://lore.kernel.org/r/20250713025108.9364-2-krakow20@gmail.com Signed-off-by: Alexandre Courbot --- drivers/gpu/nova-core/vbios.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/nova-core/vbios.rs b/drivers/gpu/nova-core/vbios.rs index 663fc50e8b66c..5b5d9f38cbb3a 100644 --- a/drivers/gpu/nova-core/vbios.rs +++ b/drivers/gpu/nova-core/vbios.rs @@ -901,7 +901,7 @@ struct PmuLookupTableEntry { impl PmuLookupTableEntry { fn new(data: &[u8]) -> Result { - if data.len() < 5 { + if data.len() < 6 { return Err(EINVAL); } -- 2.47.2