kernel/0076-regulator-mpq8785-mpq8785_label-add-label-len-for-np.patch

61 lines
2.6 KiB
Diff

From a95f548f64797d765c1a5b9536b72095fdcefc26 Mon Sep 17 00:00:00 2001
From: Han Gao <gaohan@iscas.ac.cn>
Date: Sun, 7 Jul 2024 00:45:36 +0800
Subject: [PATCH 076/219] regulator: mpq8785: mpq8785_label: add label len for
"npu temperature1"
detected buffer overflow in strcpy
[ 1.391721] detected buffer overflow in strcpy
[ 1.396122] ------------[ cut here ]------------
[ 1.396124] Kernel BUG at fortify_panic+0x1a/0x1c [verbose debug info unavailable]
[ 1.396142] Kernel BUG [#1]
[ 1.396145] Modules linked in:
[ 1.396150] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.6.36 #0
[ 1.396155] Hardware name: ESWIN EIC7700 (DT)
[ 1.396157] epc : fortify_panic+0x1a/0x1c
[ 1.396163] ra : fortify_panic+0x1a/0x1c
[ 1.396168] epc : ffffffff8030b2de ra : ffffffff8030b2de sp : ffffaf80a7177b20
[ 1.396171] gp : ffffffff812e47a8 tp : ffffaf80a714cd00 t0 : 2000000000000000
[ 1.396174] t1 : 0000000000000064 t2 : 2064657463657465 s0 : ffffaf80a7177b30
[ 1.396177] s1 : ffffaf80a8755c40 a0 : 0000000000000022 a1 : ffffffff81283d48
[ 1.396180] a2 : 0000000000000010 a3 : ffffffff81283d48 a4 : ffffffff81283d60
[ 1.396183] a5 : 0000000000000000 a6 : ffffffff81213cf0 a7 : 0000000000000001
[ 1.396186] s2 : ffffaf80a794a000 s3 : ffffaf80a8755c60 s4 : ffff8d7ffec18dae
[ 1.396189] s5 : ffffaf82a6f9fb00 s6 : ffffaf80a794a020 s7 : ffffaf80a8755cd0
[ 1.396192] s8 : 0000000000000000 s9 : 0000000000000000 s10: 0000000000000000
[ 1.396194] s11: 0000000000000000 t3 : ffffffff812f5ad7 t4 : ffffffff812f5ad7
[ 1.396197] t5 : ffffffff812f5ad8 t6 : ffffaf80a7177970
[ 1.396199] status: 0000000200000120 badaddr: 0000000000000000 cause: 0000000000000003
[ 1.396203] [<ffffffff8030b2de>] fortify_panic+0x1a/0x1c
[ 1.396209] [<ffffffff80393d18>] mpq8785_probe+0x3d8/0x462
Signed-off-by: Han Gao <gaohan@iscas.ac.cn>
---
drivers/regulator/mpq8785.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/regulator/mpq8785.c b/drivers/regulator/mpq8785.c
index d5dae70d3d50..3787fe244618 100644
--- a/drivers/regulator/mpq8785.c
+++ b/drivers/regulator/mpq8785.c
@@ -153,7 +153,7 @@ struct MPQ8785_DRIVER_DATA
struct regulator_desc *dev_desc;
struct i2c_client *client;
struct mutex config_lock;
- char mpq8785_label[MPQ8785_LABEL_CNT][16];
+ char mpq8785_label[MPQ8785_LABEL_CNT][20];
};
#define MPQ8785_MASK_OPERATION_ENABLE 0X80
@@ -1216,4 +1216,4 @@ module_i2c_driver(mpq8785_driver);
MODULE_AUTHOR("Yang Wei <yangwei1@eswincomputing.com>");
MODULE_DESCRIPTION("mpq8785 driver");
-MODULE_LICENSE("GPL");
\ No newline at end of file
+MODULE_LICENSE("GPL");
--
2.47.0