From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org
Subject: [iio:testing 17/95] drivers/iio/light/as73211.c:213 as73211_integration_time_calc_avail() error: buffer overflow 'data->int_time_avail' 30 <= 58
Date: Mon, 31 Aug 2020 15:52:56 +0300 [thread overview]
Message-ID: <20200831125256.GR8299@kadam> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git testing
head: 283d2403beb406f0906cfbb2c9d7aa61cbcbbeed
commit: 77ed24daa40b3ce41610268d8307a50d82b382ad [17/95] iio: light: as73211: New driver
config: mips-randconfig-m031-20200831 (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
New smatch warnings:
drivers/iio/light/as73211.c:213 as73211_integration_time_calc_avail() error: buffer overflow 'data->int_time_avail' 30 <= 58
# https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git/commit/?id=77ed24daa40b3ce41610268d8307a50d82b382ad
git remote add iio https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
git fetch --no-tags iio testing
git checkout 77ed24daa40b3ce41610268d8307a50d82b382ad
vim +213 drivers/iio/light/as73211.c
77ed24daa40b3c Christian Eggers 2020-08-05 206 static void as73211_integration_time_calc_avail(struct as73211_data *data)
77ed24daa40b3c Christian Eggers 2020-08-05 207 {
77ed24daa40b3c Christian Eggers 2020-08-05 208 int i;
77ed24daa40b3c Christian Eggers 2020-08-05 209
77ed24daa40b3c Christian Eggers 2020-08-05 210 for (i = 0; i < ARRAY_SIZE(data->int_time_avail); i++) {
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
77ed24daa40b3c Christian Eggers 2020-08-05 211 unsigned int time_us = as73211_integration_time_us(data, BIT(i));
77ed24daa40b3c Christian Eggers 2020-08-05 212
77ed24daa40b3c Christian Eggers 2020-08-05 @213 data->int_time_avail[i * 2 + 0] = time_us / USEC_PER_SEC;
^^^^^^^^^
Buffer overflow
77ed24daa40b3c Christian Eggers 2020-08-05 214 data->int_time_avail[i * 2 + 1] = time_us % USEC_PER_SEC;
^^^^^^^^^^^^^^^^^^^^^^^^
77ed24daa40b3c Christian Eggers 2020-08-05 215 }
77ed24daa40b3c Christian Eggers 2020-08-05 216 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild-all@lists.01.org
Subject: [iio:testing 17/95] drivers/iio/light/as73211.c:213 as73211_integration_time_calc_avail() error: buffer overflow 'data->int_time_avail' 30 <= 58
Date: Mon, 31 Aug 2020 15:52:56 +0300 [thread overview]
Message-ID: <20200831125256.GR8299@kadam> (raw)
[-- Attachment #1: Type: text/plain, Size: 2294 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git testing
head: 283d2403beb406f0906cfbb2c9d7aa61cbcbbeed
commit: 77ed24daa40b3ce41610268d8307a50d82b382ad [17/95] iio: light: as73211: New driver
config: mips-randconfig-m031-20200831 (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
New smatch warnings:
drivers/iio/light/as73211.c:213 as73211_integration_time_calc_avail() error: buffer overflow 'data->int_time_avail' 30 <= 58
# https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git/commit/?id=77ed24daa40b3ce41610268d8307a50d82b382ad
git remote add iio https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
git fetch --no-tags iio testing
git checkout 77ed24daa40b3ce41610268d8307a50d82b382ad
vim +213 drivers/iio/light/as73211.c
77ed24daa40b3c Christian Eggers 2020-08-05 206 static void as73211_integration_time_calc_avail(struct as73211_data *data)
77ed24daa40b3c Christian Eggers 2020-08-05 207 {
77ed24daa40b3c Christian Eggers 2020-08-05 208 int i;
77ed24daa40b3c Christian Eggers 2020-08-05 209
77ed24daa40b3c Christian Eggers 2020-08-05 210 for (i = 0; i < ARRAY_SIZE(data->int_time_avail); i++) {
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
77ed24daa40b3c Christian Eggers 2020-08-05 211 unsigned int time_us = as73211_integration_time_us(data, BIT(i));
77ed24daa40b3c Christian Eggers 2020-08-05 212
77ed24daa40b3c Christian Eggers 2020-08-05 @213 data->int_time_avail[i * 2 + 0] = time_us / USEC_PER_SEC;
^^^^^^^^^
Buffer overflow
77ed24daa40b3c Christian Eggers 2020-08-05 214 data->int_time_avail[i * 2 + 1] = time_us % USEC_PER_SEC;
^^^^^^^^^^^^^^^^^^^^^^^^
77ed24daa40b3c Christian Eggers 2020-08-05 215 }
77ed24daa40b3c Christian Eggers 2020-08-05 216 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next reply other threads:[~2020-08-31 12:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-31 12:52 Dan Carpenter [this message]
2020-08-31 12:52 ` [iio:testing 17/95] drivers/iio/light/as73211.c:213 as73211_integration_time_calc_avail() error: buffer overflow 'data->int_time_avail' 30 <= 58 Dan Carpenter
2020-08-31 13:22 ` Andy Shevchenko
-- strict thread matches above, loose matches on Subject: below --
2020-08-31 12:03 kernel test robot
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