From: Thorsten Blum <blum@kernel.org>
To: Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Kees Cook <kees@kernel.org>,
"Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: Thorsten Blum <blum@kernel.org>,
linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: [PATCH] x86/setup: Annotate pci_setup_rom::romdata with __counted_by()
Date: Fri, 18 Sep 2026 14:08:39 +0200 [thread overview]
Message-ID: <20260918120841.26125-2-blum@kernel.org> (raw)
Add __counted_by() to pci_setup_rom::romdata to enable access bounds
checking via CONFIG_UBSAN_BOUNDS and CONFIG_FORTIFY_SOURCE.
Signed-off-by: Thorsten Blum <blum@kernel.org>
---
arch/x86/include/asm/setup_data.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/setup_data.h b/arch/x86/include/asm/setup_data.h
index 7bb16f843c93..36ca725182f9 100644
--- a/arch/x86/include/asm/setup_data.h
+++ b/arch/x86/include/asm/setup_data.h
@@ -15,7 +15,7 @@ struct pci_setup_rom {
unsigned long bus;
unsigned long device;
unsigned long function;
- uint8_t romdata[];
+ uint8_t romdata[] __counted_by(pcilen);
};
/* kexec external ABI */
reply other threads:[~2026-09-18 12:09 UTC|newest]
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