[coreboot-gerrit] Change in coreboot[master]: device/pci_rom.c: Fix out of bounds read

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change and it was merged. ( https://review.coreboot.org/c/coreboot/+/34372 )

Change subject: device/pci_rom.c: Fix out of bounds read
......................................................................

device/pci_rom.c: Fix out of bounds read

run_rom->data is a uint16_t, so use the appropriate read function.

Change-Id: Icc14421412885495df90c90ed7da6e7d2eba4182
Signed-off-by: Jacob Garber 
Found-by: Coverity CID 1402145
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34372
Reviewed-by: Marshall Dawson 
Reviewed-by: Paul Menzel 
Tested-by: build bot (Jenkins) 
---
M src/device/pci_rom.c
1 file changed, 1 insertion(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Paul Menzel: Looks good to me, but someone else must approve
  Marshall Dawson: Looks good to me, approved

diff --git a/src/device/pci_rom.c b/src/device/pci_rom.c
index 34a9a81..2b2d46d 100644
--- a/src/device/pci_rom.c
+++ b/src/device/pci_rom.c
@@ -192,7 +192,7 @@
    	return NULL;

rom_data = (struct pci_data *)((u8 *)run_rom
-			+ read_le32(&run_rom->data));
+			+ read_le16(&run_rom->data));

if (read_le32(&rom_data->signature) == PCI_DATA_HDR
    		&& read_le16(&rom_data->device) == dev->device