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drivers/i2c/at24rf08c/lenovo_serials: Fix out of bounds

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Ensure that the mainboard version string is fully contained within
one 128byte block of the EEPROM. Since it's read from offset 0x27
it can be 89 characters long. One byte for the final null terminator.

Change-Id: I264ea2d1f634bb3493858da9f066bd6cef1ca960
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/91041
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
This commit is contained in:
Patrick Rudolph 2026-02-01 14:04:33 +01:00 • committed by Matt DeVillier
commit 702cec8635
1 changed files with 1 additions and 1 deletions
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src/drivers/i2c/at24rf08c/lenovo_serials.c
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@ -154,7 +154,7 @@ void smbios_system_set_uuid(u8 *uuid)
const char *smbios_mainboard_version(void)
{
static char result[100];
static char result[90];
static int already_read;
struct device *dev;
int len;