From: Zou Nan hai <nanhai.zou@intel.com>
To: linux-ia64@vger.kernel.org
Subject: [PATCH]Fix a possible buffer overflow in efi.c
Date: Tue, 07 Feb 2006 03:25:55 +0000 [thread overview]
Message-ID: <1139282755.8654.5.camel@linux-znh> (raw)
There is a possible buffer overflow in efi.c
At lease the code logic is wrong.
Signed-off-by: Zou Nan hai <nanhai.zou@intel.com>
diff -Nraup linux-2.6.15/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
--- linux-2.6.15/arch/ia64/kernel/efi.c 2006-02-06 07:57:06.000000000 +0800
+++ b/arch/ia64/kernel/efi.c 2006-02-08 04:19:56.000000000 +0800
@@ -432,7 +432,7 @@ efi_init (void)
/* Show what we know for posterity */
c16 = __va(efi.systab->fw_vendor);
if (c16) {
- for (i = 0;i < (int) sizeof(vendor) && *c16; ++i)
+ for (i = 0;i < (int) sizeof(vendor) - 1 && *c16; ++i)
vendor[i] = *c16++;
vendor[i] = '\0';
}
reply other threads:[~2006-02-07 3:25 UTC|newest]
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