* [PATCH][next] soc: qcom: fix off-by-one array index bounds check
@ 2020-06-24 14:05 Colin King
0 siblings, 0 replies; only message in thread
From: Colin King @ 2020-06-24 14:05 UTC (permalink / raw)
To: Andy Gross, Bjorn Andersson, Dmitry Baryshkov, linux-arm-msm
Cc: kernel-janitors, linux-kernel
From: Colin Ian King <colin.king@canonical.com>
The bounds check on model is off-by-one, leading to an array out
of bounds read when model is 26. Fix this.
Addresses-Coverity: ("Out-of-bounds read")
Fixes: e9247e2ce577 ("soc: qcom: socinfo: fix printing of pmic_model")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
drivers/soc/qcom/socinfo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c
index e19102f46302..4d29ea244e71 100644
--- a/drivers/soc/qcom/socinfo.c
+++ b/drivers/soc/qcom/socinfo.c
@@ -275,7 +275,7 @@ static int qcom_show_pmic_model(struct seq_file *seq, void *p)
if (model < 0)
return -EINVAL;
- if (model <= ARRAY_SIZE(pmic_models) && pmic_models[model])
+ if (model < ARRAY_SIZE(pmic_models) && pmic_models[model])
seq_printf(seq, "%s\n", pmic_models[model]);
else
seq_printf(seq, "unknown (%d)\n", model);
--
2.27.0
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