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path: root/drivers/soc/qcom/mdt_loader.c
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Diffstat (limited to 'drivers/soc/qcom/mdt_loader.c')
-rw-r--r--drivers/soc/qcom/mdt_loader.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/soc/qcom/mdt_loader.c b/drivers/soc/qcom/mdt_loader.c
index 08bd8549242a..9155b1c75cfb 100644
--- a/drivers/soc/qcom/mdt_loader.c
+++ b/drivers/soc/qcom/mdt_loader.c
@@ -174,6 +174,14 @@ int qcom_mdt_load(struct device *dev, const struct firmware *fw,
break;
}
+ if (phdr->p_filesz > phdr->p_memsz) {
+ dev_err(dev,
+ "refusing to load segment %d with p_filesz > p_memsz\n",
+ i);
+ ret = -EINVAL;
+ break;
+ }
+
ptr = mem_region + offset;
if (phdr->p_filesz) {
@@ -185,6 +193,15 @@ int qcom_mdt_load(struct device *dev, const struct firmware *fw,
break;
}
+ if (seg_fw->size != phdr->p_filesz) {
+ dev_err(dev,
+ "failed to load segment %d from truncated file %s\n",
+ i, fw_name);
+ release_firmware(seg_fw);
+ ret = -EINVAL;
+ break;
+ }
+
release_firmware(seg_fw);
}