2024-12-19 21:34:44 +00:00
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From 8dd81676896cdcd7dab4cc46e2b1374acf968ad3 Mon Sep 17 00:00:00 2001
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2024-12-15 18:29:23 +00:00
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From: Han Gao <gaohan@iscas.ac.cn>
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Date: Sun, 7 Jul 2024 00:45:36 +0800
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Subject: [PATCH 076/219] regulator: mpq8785: mpq8785_label: add label len for
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"npu temperature1"
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detected buffer overflow in strcpy
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[ 1.391721] detected buffer overflow in strcpy
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[ 1.396122] ------------[ cut here ]------------
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[ 1.396124] Kernel BUG at fortify_panic+0x1a/0x1c [verbose debug info unavailable]
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[ 1.396142] Kernel BUG [#1]
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[ 1.396145] Modules linked in:
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[ 1.396150] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.6.36 #0
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[ 1.396155] Hardware name: ESWIN EIC7700 (DT)
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[ 1.396157] epc : fortify_panic+0x1a/0x1c
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[ 1.396163] ra : fortify_panic+0x1a/0x1c
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[ 1.396168] epc : ffffffff8030b2de ra : ffffffff8030b2de sp : ffffaf80a7177b20
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[ 1.396171] gp : ffffffff812e47a8 tp : ffffaf80a714cd00 t0 : 2000000000000000
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[ 1.396174] t1 : 0000000000000064 t2 : 2064657463657465 s0 : ffffaf80a7177b30
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[ 1.396177] s1 : ffffaf80a8755c40 a0 : 0000000000000022 a1 : ffffffff81283d48
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[ 1.396180] a2 : 0000000000000010 a3 : ffffffff81283d48 a4 : ffffffff81283d60
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[ 1.396183] a5 : 0000000000000000 a6 : ffffffff81213cf0 a7 : 0000000000000001
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[ 1.396186] s2 : ffffaf80a794a000 s3 : ffffaf80a8755c60 s4 : ffff8d7ffec18dae
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[ 1.396189] s5 : ffffaf82a6f9fb00 s6 : ffffaf80a794a020 s7 : ffffaf80a8755cd0
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[ 1.396192] s8 : 0000000000000000 s9 : 0000000000000000 s10: 0000000000000000
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[ 1.396194] s11: 0000000000000000 t3 : ffffffff812f5ad7 t4 : ffffffff812f5ad7
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[ 1.396197] t5 : ffffffff812f5ad8 t6 : ffffaf80a7177970
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[ 1.396199] status: 0000000200000120 badaddr: 0000000000000000 cause: 0000000000000003
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[ 1.396203] [<ffffffff8030b2de>] fortify_panic+0x1a/0x1c
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[ 1.396209] [<ffffffff80393d18>] mpq8785_probe+0x3d8/0x462
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Signed-off-by: Han Gao <gaohan@iscas.ac.cn>
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---
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drivers/regulator/mpq8785.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/drivers/regulator/mpq8785.c b/drivers/regulator/mpq8785.c
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index d5dae70d3d50..3787fe244618 100644
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--- a/drivers/regulator/mpq8785.c
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+++ b/drivers/regulator/mpq8785.c
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@@ -153,7 +153,7 @@ struct MPQ8785_DRIVER_DATA
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struct regulator_desc *dev_desc;
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struct i2c_client *client;
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struct mutex config_lock;
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- char mpq8785_label[MPQ8785_LABEL_CNT][16];
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+ char mpq8785_label[MPQ8785_LABEL_CNT][20];
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};
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#define MPQ8785_MASK_OPERATION_ENABLE 0X80
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@@ -1216,4 +1216,4 @@ module_i2c_driver(mpq8785_driver);
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MODULE_AUTHOR("Yang Wei <yangwei1@eswincomputing.com>");
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MODULE_DESCRIPTION("mpq8785 driver");
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-MODULE_LICENSE("GPL");
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\ No newline at end of file
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+MODULE_LICENSE("GPL");
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--
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2.47.0
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