* drivers/ptp/ptp_ocp.c:1845:2: warning: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 [clang-an...
@ 2022-01-03 18:29 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2022-01-03 18:29 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 15884 bytes --]
CC: llvm(a)lists.linux.dev
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Jonathan Lemon <jonathan.lemon@gmail.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c9e6606c7fe92b50a02ce51dda82586ebdf99b48
commit: f67bf662d2cffa2ddf19ffa23381d49c9cffd783 ptp: ocp: Add debugfs entry for timecard
date: 4 months ago
:::::: branch date: 20 hours ago
:::::: commit date: 4 months ago
config: i386-randconfig-c001-20211215 (https://download.01.org/0day-ci/archive/20220104/202201040222.3fGkD7jz-lkp(a)intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dd245bab9fbb364faa1581e4f92ba3119a872fba)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f67bf662d2cffa2ddf19ffa23381d49c9cffd783
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout f67bf662d2cffa2ddf19ffa23381d49c9cffd783
# save the config file to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=i386 clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
clang-analyzer warnings: (new ones prefixed by >>)
arch/x86/include/asm/bug.h:78:2: note: expanded from macro '__WARN_FLAGS'
instrumentation_begin(); \
^
include/linux/instrumentation.h:57:34: note: expanded from macro 'instrumentation_begin'
# define instrumentation_begin() do { } while(0)
^
net/caif/cfcnfg.c:407:2: note: Loop condition is false. Exiting loop
caif_assert(phyinfo->phy_layer != NULL);
^
include/net/caif/caif_layer.h:31:3: note: expanded from macro 'caif_assert'
WARN_ON(!(assert)); \
^
include/asm-generic/bug.h:123:3: note: expanded from macro 'WARN_ON'
__WARN(); \
^
include/asm-generic/bug.h:96:19: note: expanded from macro '__WARN'
#define __WARN() __WARN_FLAGS(BUGFLAG_TAINT(TAINT_WARN))
^
arch/x86/include/asm/bug.h:79:2: note: expanded from macro '__WARN_FLAGS'
_BUG_FLAGS(ASM_UD2, BUGFLAG_WARNING|(flags)); \
^
arch/x86/include/asm/bug.h:25:37: note: expanded from macro '_BUG_FLAGS'
#define _BUG_FLAGS(ins, flags) \
^
net/caif/cfcnfg.c:407:2: note: Loop condition is false. Exiting loop
caif_assert(phyinfo->phy_layer != NULL);
^
include/net/caif/caif_layer.h:31:3: note: expanded from macro 'caif_assert'
WARN_ON(!(assert)); \
^
include/asm-generic/bug.h:123:3: note: expanded from macro 'WARN_ON'
__WARN(); \
^
include/asm-generic/bug.h:96:19: note: expanded from macro '__WARN'
#define __WARN() __WARN_FLAGS(BUGFLAG_TAINT(TAINT_WARN))
^
arch/x86/include/asm/bug.h:81:2: note: expanded from macro '__WARN_FLAGS'
instrumentation_end(); \
^
include/linux/instrumentation.h:58:33: note: expanded from macro 'instrumentation_end'
# define instrumentation_end() do { } while(0)
^
net/caif/cfcnfg.c:407:2: note: Loop condition is false. Exiting loop
caif_assert(phyinfo->phy_layer != NULL);
^
include/net/caif/caif_layer.h:31:3: note: expanded from macro 'caif_assert'
WARN_ON(!(assert)); \
^
include/asm-generic/bug.h:123:3: note: expanded from macro 'WARN_ON'
__WARN(); \
^
include/asm-generic/bug.h:96:19: note: expanded from macro '__WARN'
#define __WARN() __WARN_FLAGS(BUGFLAG_TAINT(TAINT_WARN))
^
arch/x86/include/asm/bug.h:76:33: note: expanded from macro '__WARN_FLAGS'
#define __WARN_FLAGS(flags) \
^
net/caif/cfcnfg.c:407:2: note: Loop condition is false. Exiting loop
caif_assert(phyinfo->phy_layer != NULL);
^
include/net/caif/caif_layer.h:27:33: note: expanded from macro 'caif_assert'
#define caif_assert(assert) \
^
net/caif/cfcnfg.c:408:14: note: Access to field 'id' results in a dereference of a null pointer (loaded from field 'phy_layer')
caif_assert(phyinfo->phy_layer->id == phyid);
^
include/net/caif/caif_layer.h:29:8: note: expanded from macro 'caif_assert'
if (!(assert)) { \
^~~~~~
Suppressed 14 warnings (14 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
9 warnings generated.
Suppressed 9 warnings (9 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
12 warnings generated.
drivers/gpu/drm/gma500/psb_irq.c:185:3: warning: Value stored to 'val' is never read [clang-analyzer-deadcode.DeadStores]
val = PSB_RSGX32(PSB_CR_2D_BLIT_STATUS);
^
drivers/gpu/drm/gma500/psb_irq.c:185:3: note: Value stored to 'val' is never read
Suppressed 11 warnings (9 in non-user code, 2 with check filters).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
9 warnings generated.
Suppressed 9 warnings (9 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
9 warnings generated.
Suppressed 9 warnings (9 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
9 warnings generated.
Suppressed 9 warnings (9 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
10 warnings generated.
Suppressed 10 warnings (10 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
18 warnings generated.
>> drivers/ptp/ptp_ocp.c:1845:2: warning: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy]
strcpy(ans, def);
^~~~~~
drivers/ptp/ptp_ocp.c:1845:2: note: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119
strcpy(ans, def);
^~~~~~
>> drivers/ptp/ptp_ocp.c:1849:3: warning: Value stored to 'ans' is never read [clang-analyzer-deadcode.DeadStores]
ans += sprintf(ans, "%s ", sec);
^ ~~~~~~~~~~~~~~~~~~~~~~~~
drivers/ptp/ptp_ocp.c:1849:3: note: Value stored to 'ans' is never read
ans += sprintf(ans, "%s ", sec);
^ ~~~~~~~~~~~~~~~~~~~~~~~~
drivers/ptp/ptp_ocp.c:1975:3: warning: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy]
strcpy(buf, "unknown");
^~~~~~
drivers/ptp/ptp_ocp.c:1975:3: note: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119
strcpy(buf, "unknown");
^~~~~~
Suppressed 15 warnings (15 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
8 warnings generated.
include/linux/hid.h:1007:9: warning: Access to field 'name' results in a dereference of a null pointer (loaded from variable 'input') [clang-analyzer-core.NullDereference]
input->name, c, type);
^
drivers/hid/hid-belkin.c:32:6: note: Assuming the condition is false
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER ||
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-belkin.c:32:6: note: Left side of '||' is false
drivers/hid/hid-belkin.c:33:4: note: Assuming the condition is false
!(quirks & BELKIN_WKBD))
^~~~~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-belkin.c:32:2: note: Taking false branch
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER ||
^
drivers/hid/hid-belkin.c:36:2: note: Control jumps to 'case 60:' at line 39
switch (usage->hid & HID_USAGE) {
^
drivers/hid/hid-belkin.c:39:14: note: Calling 'hid_map_usage_clear'
case 0x03c: belkin_map_key_clear(KEY_DOCUMENTS); break;
^
drivers/hid/hid-belkin.c:24:33: note: expanded from macro 'belkin_map_key_clear'
#define belkin_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/hid.h:1035:2: note: Calling 'hid_map_usage'
hid_map_usage(hidinput, usage, bit, max, type, c);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/hid.h:982:2: note: 'input' initialized here
struct input_dev *input = hidinput->input;
^~~~~~~~~~~~~~~~~~~~~~~
include/linux/hid.h:986:2: note: Control jumps to 'case 1:' at line 995
switch (type) {
^
include/linux/hid.h:998:3: note: Execution continues on line 1005
break;
^
include/linux/hid.h:1005:15: note: 'c' is <= 'limit'
if (unlikely(c > limit || !bmap)) {
^
include/linux/compiler.h:78:42: note: expanded from macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^
include/linux/hid.h:1005:15: note: Left side of '||' is false
if (unlikely(c > limit || !bmap)) {
^
include/linux/hid.h:1005:28: note: Assuming 'bmap' is null
if (unlikely(c > limit || !bmap)) {
^
include/linux/compiler.h:78:42: note: expanded from macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^
include/linux/hid.h:1005:28: note: Assuming pointer value is null
if (unlikely(c > limit || !bmap)) {
^
include/linux/compiler.h:78:42: note: expanded from macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^
include/linux/hid.h:1005:2: note: Taking true branch
if (unlikely(c > limit || !bmap)) {
^
include/linux/hid.h:1006:3: note: Assuming the condition is true
pr_warn_ratelimited("%s: Invalid code %d type %d\n",
^
include/linux/printk.h:656:2: note: expanded from macro 'pr_warn_ratelimited'
printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/printk.h:639:6: note: expanded from macro 'printk_ratelimited'
if (__ratelimit(&_rs)) \
^~~~~~~~~~~~~~~~~
include/linux/ratelimit_types.h:41:28: note: expanded from macro '__ratelimit'
#define __ratelimit(state) ___ratelimit(state, __func__)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/hid.h:1006:3: note: Taking true branch
pr_warn_ratelimited("%s: Invalid code %d type %d\n",
^
include/linux/printk.h:656:2: note: expanded from macro 'pr_warn_ratelimited'
printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:639:2: note: expanded from macro 'printk_ratelimited'
if (__ratelimit(&_rs)) \
^
include/linux/hid.h:1006:3: note: Left side of '&&' is true
pr_warn_ratelimited("%s: Invalid code %d type %d\n",
^
include/linux/printk.h:656:2: note: expanded from macro 'pr_warn_ratelimited'
printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:640:3: note: expanded from macro 'printk_ratelimited'
vim +1845 drivers/ptp/ptp_ocp.c
f67bf662d2cffa Jonathan Lemon 2021-09-14 1838
f67bf662d2cffa Jonathan Lemon 2021-09-14 1839 static void
f67bf662d2cffa Jonathan Lemon 2021-09-14 1840 gpio_multi_map(char *buf, u32 gpio, u32 bit,
f67bf662d2cffa Jonathan Lemon 2021-09-14 1841 const char *pri, const char *sec, const char *def)
f67bf662d2cffa Jonathan Lemon 2021-09-14 1842 {
f67bf662d2cffa Jonathan Lemon 2021-09-14 1843 char *ans = buf;
f67bf662d2cffa Jonathan Lemon 2021-09-14 1844
f67bf662d2cffa Jonathan Lemon 2021-09-14 @1845 strcpy(ans, def);
f67bf662d2cffa Jonathan Lemon 2021-09-14 1846 if (gpio & (1 << bit))
f67bf662d2cffa Jonathan Lemon 2021-09-14 1847 ans += sprintf(ans, "%s ", pri);
f67bf662d2cffa Jonathan Lemon 2021-09-14 1848 if (gpio & (1 << (bit + 16)))
f67bf662d2cffa Jonathan Lemon 2021-09-14 @1849 ans += sprintf(ans, "%s ", sec);
f67bf662d2cffa Jonathan Lemon 2021-09-14 1850 }
f67bf662d2cffa Jonathan Lemon 2021-09-14 1851
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
^ permalink raw reply [flat|nested] 2+ messages in thread
* drivers/ptp/ptp_ocp.c:1845:2: warning: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 [clang-an...
@ 2021-11-08 21:12 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-11-08 21:12 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 18635 bytes --]
CC: llvm(a)lists.linux.dev
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Jonathan Lemon <jonathan.lemon@gmail.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e851dfae4371d3c751f1e18e8eb5eba993de1467
commit: f67bf662d2cffa2ddf19ffa23381d49c9cffd783 ptp: ocp: Add debugfs entry for timecard
date: 8 weeks ago
:::::: branch date: 4 hours ago
:::::: commit date: 8 weeks ago
config: i386-randconfig-c001-20211012 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c3dcf39554dbea780d6cb7e12239451ba47a2668)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f67bf662d2cffa2ddf19ffa23381d49c9cffd783
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout f67bf662d2cffa2ddf19ffa23381d49c9cffd783
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=i386 clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
clang-analyzer warnings: (new ones prefixed by >>)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/mtd/nand/raw/nand_base.c:5416:7: note: 'ret' is 0
if (ret)
^~~
drivers/mtd/nand/raw/nand_base.c:5416:3: note: Taking false branch
if (ret)
^
drivers/mtd/nand/raw/nand_base.c:5419:19: note: The right operand of '!=' is a garbage value
if (nand_maf_id != id[0] || nand_dev_id != id[1]) {
^ ~~~~~
drivers/mtd/nand/raw/nand_base.c:5613:22: warning: Value stored to 'nanddev' during its initialization is never read [clang-analyzer-deadcode.DeadStores]
struct nand_device *nanddev = mtd_to_nanddev(mtd);
^~~~~~~ ~~~~~~~~~~~~~~~~~~~
drivers/mtd/nand/raw/nand_base.c:5613:22: note: Value stored to 'nanddev' during its initialization is never read
struct nand_device *nanddev = mtd_to_nanddev(mtd);
^~~~~~~ ~~~~~~~~~~~~~~~~~~~
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
9 warnings generated.
Suppressed 9 warnings (9 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
9 warnings generated.
Suppressed 9 warnings (9 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
9 warnings generated.
Suppressed 9 warnings (9 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
11 warnings generated.
Suppressed 11 warnings (9 in non-user code, 2 with check filters).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
20 warnings generated.
drivers/power/supply/twl4030_charger.c:364:2: warning: Value stored to 'cur_reg' is never read [clang-analyzer-deadcode.DeadStores]
cur_reg |= oldreg << 8;
^ ~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:364:2: note: Value stored to 'cur_reg' is never read
cur_reg |= oldreg << 8;
^ ~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:383:3: warning: Value stored to 'status' is never read [clang-analyzer-deadcode.DeadStores]
status = twl_i2c_write_u8(TWL_MODULE_MAIN_CHARGE,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:383:3: note: Value stored to 'status' is never read
status = twl_i2c_write_u8(TWL_MODULE_MAIN_CHARGE,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:412:2: warning: Value stored to 'curr' is never read [clang-analyzer-deadcode.DeadStores]
curr = twl4030_charger_get_current();
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:412:2: note: Value stored to 'curr' is never read
curr = twl4030_charger_get_current();
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:467:4: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]
ret = twl4030_clear_set_boot_bci(0, TWL4030_BCIAUTOUSB);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:467:4: note: Value stored to 'ret' is never read
ret = twl4030_clear_set_boot_bci(0, TWL4030_BCIAUTOUSB);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:487:4: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]
ret = twl_i2c_write_u8(TWL_MODULE_MAIN_CHARGE, 0x33,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:487:4: note: Value stored to 'ret' is never read
ret = twl_i2c_write_u8(TWL_MODULE_MAIN_CHARGE, 0x33,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:490:4: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]
ret = twl_i2c_write_u8(TWL_MODULE_MAIN_CHARGE, 0x2a,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:490:4: note: Value stored to 'ret' is never read
ret = twl_i2c_write_u8(TWL_MODULE_MAIN_CHARGE, 0x2a,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:493:4: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]
ret = twl_i2c_write_u8(TWL_MODULE_MAIN_CHARGE, 0x26,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:493:4: note: Value stored to 'ret' is never read
ret = twl_i2c_write_u8(TWL_MODULE_MAIN_CHARGE, 0x26,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:496:4: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]
ret = twl_i2c_write_u8(TWL_MODULE_MAIN_CHARGE, 0xf3,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:496:4: note: Value stored to 'ret' is never read
ret = twl_i2c_write_u8(TWL_MODULE_MAIN_CHARGE, 0xf3,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:499:4: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]
ret = twl_i2c_write_u8(TWL_MODULE_MAIN_CHARGE, 0x9c,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/twl4030_charger.c:499:4: note: Value stored to 'ret' is never read
ret = twl_i2c_write_u8(TWL_MODULE_MAIN_CHARGE, 0x9c,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Suppressed 11 warnings (9 in non-user code, 2 with check filters).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
10 warnings generated.
Suppressed 10 warnings (10 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
10 warnings generated.
Suppressed 10 warnings (10 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
10 warnings generated.
Suppressed 10 warnings (10 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
19 warnings generated.
>> drivers/ptp/ptp_ocp.c:1845:2: warning: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy]
strcpy(ans, def);
^~~~~~
drivers/ptp/ptp_ocp.c:1845:2: note: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119
strcpy(ans, def);
^~~~~~
>> drivers/ptp/ptp_ocp.c:1849:3: warning: Value stored to 'ans' is never read [clang-analyzer-deadcode.DeadStores]
ans += sprintf(ans, "%s ", sec);
^ ~~~~~~~~~~~~~~~~~~~~~~~~
drivers/ptp/ptp_ocp.c:1849:3: note: Value stored to 'ans' is never read
ans += sprintf(ans, "%s ", sec);
^ ~~~~~~~~~~~~~~~~~~~~~~~~
drivers/ptp/ptp_ocp.c:1975:3: warning: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy]
strcpy(buf, "unknown");
^~~~~~
drivers/ptp/ptp_ocp.c:1975:3: note: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119
strcpy(buf, "unknown");
^~~~~~
Suppressed 16 warnings (16 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
10 warnings generated.
Suppressed 10 warnings (10 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
11 warnings generated.
Suppressed 11 warnings (10 in non-user code, 1 with check filters).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
8 warnings generated.
drivers/comedi/drivers/pcmmio.c:578:2: warning: Value stored to 'val' is never read [clang-analyzer-deadcode.DeadStores]
val |= inb(iobase + PCMMIO_AI_MSB_REG) << 8;
^
drivers/comedi/drivers/pcmmio.c:578:2: note: Value stored to 'val' is never read
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
8 warnings generated.
drivers/comedi/drivers/addi_apci_3xxx.c:745:3: warning: Value stored to 'val' is never read [clang-analyzer-deadcode.DeadStores]
val = readl(dev->mmio + 28);
^
drivers/comedi/drivers/addi_apci_3xxx.c:745:3: note: Value stored to 'val' is never read
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
10 warnings generated.
drivers/gpu/drm/i915/gt/uc/intel_huc.c:93:2: warning: Value stored to 'copied' is never read [clang-analyzer-deadcode.DeadStores]
copied = intel_uc_fw_copy_rsa(&huc->fw, vaddr, vma->size);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/gt/uc/intel_huc.c:93:2: note: Value stored to 'copied' is never read
copied = intel_uc_fw_copy_rsa(&huc->fw, vaddr, vma->size);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Suppressed 9 warnings (9 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
8 warnings generated.
Suppressed 8 warnings (8 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
17 warnings generated.
Suppressed 17 warnings (17 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
9 warnings generated.
vim +1845 drivers/ptp/ptp_ocp.c
f67bf662d2cffa Jonathan Lemon 2021-09-14 1838
f67bf662d2cffa Jonathan Lemon 2021-09-14 1839 static void
f67bf662d2cffa Jonathan Lemon 2021-09-14 1840 gpio_multi_map(char *buf, u32 gpio, u32 bit,
f67bf662d2cffa Jonathan Lemon 2021-09-14 1841 const char *pri, const char *sec, const char *def)
f67bf662d2cffa Jonathan Lemon 2021-09-14 1842 {
f67bf662d2cffa Jonathan Lemon 2021-09-14 1843 char *ans = buf;
f67bf662d2cffa Jonathan Lemon 2021-09-14 1844
f67bf662d2cffa Jonathan Lemon 2021-09-14 @1845 strcpy(ans, def);
f67bf662d2cffa Jonathan Lemon 2021-09-14 1846 if (gpio & (1 << bit))
f67bf662d2cffa Jonathan Lemon 2021-09-14 1847 ans += sprintf(ans, "%s ", pri);
f67bf662d2cffa Jonathan Lemon 2021-09-14 1848 if (gpio & (1 << (bit + 16)))
f67bf662d2cffa Jonathan Lemon 2021-09-14 @1849 ans += sprintf(ans, "%s ", sec);
f67bf662d2cffa Jonathan Lemon 2021-09-14 1850 }
f67bf662d2cffa Jonathan Lemon 2021-09-14 1851
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 38271 bytes --]
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end of thread, other threads:[~2022-01-03 18:29 UTC | newest]
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2022-01-03 18:29 drivers/ptp/ptp_ocp.c:1845:2: warning: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 [clang-an kernel test robot
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2021-11-08 21:12 kernel test robot
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