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https://github.com/Divested-Mobile/DivestOS-Build.git
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33 lines
1.1 KiB
Diff
33 lines
1.1 KiB
Diff
From 232ec805c7cc4150f05aa06a98335378ab272ec7 Mon Sep 17 00:00:00 2001
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From: chengengjia <chengjia4574@gmail.com>
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Date: Wed, 14 Sep 2016 14:10:56 +0800
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Subject: usb: diag: prevent showing the address of kernel variable 'port'
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The format specifier %p can leak kernel address while not valuing the kptr_strict system settings.
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The fix is designed to use %pK instead of %p, which also evaluates whether kptr_restrict is set.
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Signed-off-by: chengengjia <chengjia4574@gmail.com>
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Test: compile
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Bug: 31496950
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Change-Id: Ib93c0defdd68f4afe46b5a818ce4d1a2b850cf46
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---
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drivers/usb/gadget/u_ctrl_hsic.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/drivers/usb/gadget/u_ctrl_hsic.c b/drivers/usb/gadget/u_ctrl_hsic.c
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index ff3fbf3..1c5f160 100644
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--- a/drivers/usb/gadget/u_ctrl_hsic.c
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+++ b/drivers/usb/gadget/u_ctrl_hsic.c
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@@ -557,7 +557,7 @@ static ssize_t gctrl_read_stats(struct file *file, char __user *ubuf,
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temp += scnprintf(buf + temp, DEBUG_BUF_SIZE - temp,
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"\nName: %s\n"
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- "#PORT:%d port: %p\n"
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+ "#PORT:%d port: %pK\n"
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"to_usbhost: %lu\n"
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"to_modem: %lu\n"
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"cpkt_drp_cnt: %lu\n"
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--
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cgit v1.1
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