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https://github.com/Divested-Mobile/DivestOS-Build.git
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32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
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From cab2ba71f13f04aa73c8b8dadc3fc184205c9474 Mon Sep 17 00:00:00 2001
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From: Srinivasarao P <spathi@codeaurora.org>
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Date: Mon, 6 Jun 2016 12:33:50 +0530
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Subject: qcom: ssr: Fix possible overflow when copying firmware name
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Array overflow can occur in firmware_name_store(), if the variable
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buf contains the string larger than size of subsys->desc->fw_name
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Change-Id: Ice39d7a1eb0b5f53125cc5d528021a99b9f7ff90
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Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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---
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drivers/soc/qcom/subsystem_restart.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/drivers/soc/qcom/subsystem_restart.c b/drivers/soc/qcom/subsystem_restart.c
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index de3a5a4..c6dbf2e 100644
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--- a/drivers/soc/qcom/subsystem_restart.c
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+++ b/drivers/soc/qcom/subsystem_restart.c
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@@ -293,7 +293,8 @@ static ssize_t firmware_name_store(struct device *dev,
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pr_info("Changing subsys fw_name to %s\n", buf);
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mutex_lock(&track->lock);
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- strlcpy(subsys->desc->fw_name, buf, count + 1);
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+ strlcpy(subsys->desc->fw_name, buf,
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+ min(count + 1, sizeof(subsys->desc->fw_name)));
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mutex_unlock(&track->lock);
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return count;
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}
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--
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cgit v1.1
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