[coreboot-gerrit] Change in coreboot[master]: device/ddr3: Prevent overflow when adding SMBUS Table 17 entries
Nico Huber (Code Review)
gerrit at coreboot.org
Thu Sep 13 10:53:16 CEST 2018
Nico Huber has uploaded this change for review. ( https://review.coreboot.org/28588
Change subject: device/ddr3: Prevent overflow when adding SMBUS Table 17 entries
......................................................................
device/ddr3: Prevent overflow when adding SMBUS Table 17 entries
Change-Id: If84c6849011106b2a50e504b79cda9cd6a3a9cc3
Signed-off-by: Nico Huber <nico.huber at secunet.com>
---
M src/device/dram/ddr3.c
1 file changed, 6 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/88/28588/1
diff --git a/src/device/dram/ddr3.c b/src/device/dram/ddr3.c
index 63ca964..f27fdcb 100644
--- a/src/device/dram/ddr3.c
+++ b/src/device/dram/ddr3.c
@@ -559,6 +559,12 @@
memset(mem_info, 0, sizeof(*mem_info));
}
+ if (mem_info->dimm_cnt >= ARRAY_SIZE(mem_info->dimm)) {
+ printk(BIOS_WARNING, "BUG: Too many DIMM infos for %s.\n",
+ __func__);
+ return CB_ERR;
+ }
+
dimm = &mem_info->dimm[mem_info->dimm_cnt];
if (info->size_mb) {
dimm->ddr_type = MEMORY_TYPE_DDR3;
--
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: If84c6849011106b2a50e504b79cda9cd6a3a9cc3
Gerrit-Change-Number: 28588
Gerrit-PatchSet: 1
Gerrit-Owner: Nico Huber <nico.h at gmx.de>
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