CC: [email protected] CC: [email protected] BCC: [email protected] In-Reply-To: <[email protected]> References: <[email protected]> TO: Xiaomeng Tong <[email protected]> TO: [email protected] CC: [email protected] CC: [email protected] CC: [email protected] CC: [email protected] CC: [email protected] CC: [email protected] CC: [email protected] CC: [email protected] CC: [email protected] CC: Xiaomeng Tong <[email protected]>
Hi Xiaomeng, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linux/master] [also build test WARNING on vkoul-dmaengine/next soc/for-next linus/master v5.17-rc6 next-20220303] [cannot apply to hnaz-mm/master] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Xiaomeng-Tong/list_for_each_entry-make-iterator-invisiable-outside-the-loop/20220301-160113 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 2c271fe77d52a0555161926c232cd5bc07178b39 :::::: branch date: 3 days ago :::::: commit date: 3 days ago config: x86_64-randconfig-c007 (https://download.01.org/0day-ci/archive/20220304/[email protected]/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) 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://github.com/0day-ci/linux/commit/84ec4077430a7e8c23ea1ebc7b69e254fda25cb1 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Xiaomeng-Tong/list_for_each_entry-make-iterator-invisiable-outside-the-loop/20220301-160113 git checkout 84ec4077430a7e8c23ea1ebc7b69e254fda25cb1 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> clang-analyzer warnings: (new ones prefixed by >>) ^~~~~~ drivers/net/slip/slhc.c:632:4: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(cp, cs->cs_tcpopt, ((thp->doff) - 5) * 4); ^~~~~~ drivers/net/slip/slhc.c:632:4: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(cp, cs->cs_tcpopt, ((thp->doff) - 5) * 4); ^~~~~~ drivers/net/slip/slhc.c:679:2: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(&cs->cs_ip,icp,20); ^~~~~~ drivers/net/slip/slhc.c:679:2: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(&cs->cs_ip,icp,20); ^~~~~~ drivers/net/slip/slhc.c:680:2: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(&cs->cs_tcp,icp + ihl*4,20); ^~~~~~ drivers/net/slip/slhc.c:680:2: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(&cs->cs_tcp,icp + ihl*4,20); ^~~~~~ drivers/net/slip/slhc.c:682:4: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(cs->cs_ipopt, icp + sizeof(struct iphdr), (ihl - 5) * 4); ^~~~~~ drivers/net/slip/slhc.c:682:4: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(cs->cs_ipopt, icp + sizeof(struct iphdr), (ihl - 5) * 4); ^~~~~~ drivers/net/slip/slhc.c:684:4: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(cs->cs_tcpopt, icp + ihl*4 + sizeof(struct tcphdr), (cs->cs_tcp.doff - 5) * 4); ^~~~~~ drivers/net/slip/slhc.c:684:4: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(cs->cs_tcpopt, icp + ihl*4 + sizeof(struct tcphdr), (cs->cs_tcp.doff - 5) * 4); ^~~~~~ Suppressed 99 warnings (99 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. 30 warnings generated. drivers/input/keyboard/lkkbd.c:627:2: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(lk->keycode, lkkbd_keycode, sizeof(lk->keycode)); ^~~~~~ drivers/input/keyboard/lkkbd.c:627:2: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(lk->keycode, lkkbd_keycode, sizeof(lk->keycode)); ^~~~~~ drivers/input/keyboard/lkkbd.c:630:2: warning: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] snprintf(lk->phys, sizeof(lk->phys), "%s/input0", serio->phys); ^~~~~~~~ drivers/input/keyboard/lkkbd.c:630:2: note: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 snprintf(lk->phys, sizeof(lk->phys), "%s/input0", serio->phys); ^~~~~~~~ Suppressed 28 warnings (28 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. 30 warnings generated. drivers/input/keyboard/matrix_keypad.c:127:2: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memset(new_state, 0, sizeof(new_state)); ^~~~~~ drivers/input/keyboard/matrix_keypad.c:127:2: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 memset(new_state, 0, sizeof(new_state)); ^~~~~~ drivers/input/keyboard/matrix_keypad.c:161:2: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(keypad->last_key_state, new_state, sizeof(new_state)); ^~~~~~ drivers/input/keyboard/matrix_keypad.c:161:2: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(keypad->last_key_state, new_state, sizeof(new_state)); ^~~~~~ Suppressed 28 warnings (28 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. 29 warnings generated. drivers/input/serio/libps2.c:245:2: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(send_param, param, send); ^~~~~~ drivers/input/serio/libps2.c:245:2: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(send_param, param, send); ^~~~~~ Suppressed 28 warnings (28 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. 15 warnings generated. drivers/input/gameport/gameport.c:462:9: warning: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] return sprintf(buf, "%s\n", gameport->name); ^~~~~~~ drivers/input/gameport/gameport.c:462:9: note: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 return sprintf(buf, "%s\n", gameport->name); ^~~~~~~ drivers/input/gameport/gameport.c:516:2: warning: Call to function 'vsnprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'vsnprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] vsnprintf(gameport->phys, sizeof(gameport->phys), fmt, args); ^~~~~~~~~ drivers/input/gameport/gameport.c:516:2: note: Call to function 'vsnprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'vsnprintf_s' in case of C11 vsnprintf(gameport->phys, sizeof(gameport->phys), fmt, args); ^~~~~~~~~ drivers/input/gameport/gameport.c:681:9: warning: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] return sprintf(buf, "%s\n", driver->description ? driver->description : "(none)"); ^~~~~~~ drivers/input/gameport/gameport.c:681:9: note: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 return sprintf(buf, "%s\n", driver->description ? driver->description : "(none)"); ^~~~~~~ Suppressed 12 warnings (12 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. 33 warnings generated. Suppressed 33 warnings (33 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. Suppressed 12 warnings (12 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. 51 warnings generated. >> drivers/block/zram/zram_drv.c:457:3: warning: Call to function 'memcpy' is >> insecure as it does not provide security checks introduced in the C11 >> standard. Replace with analogous functions that support length arguments or >> provides boundary checks such as 'memcpy_s' in case of C11 >> [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(buf, "none\n", 5); ^~~~~~ drivers/block/zram/zram_drv.c:457:3: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(buf, "none\n", 5); ^~~~~~ >> drivers/block/zram/zram_drv.c:469:2: warning: Call to function 'memmove' is >> insecure as it does not provide security checks introduced in the C11 >> standard. Replace with analogous functions that support length arguments or >> provides boundary checks such as 'memmove_s' in case of C11 >> [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memmove(buf, p, ret); ^~~~~~~ drivers/block/zram/zram_drv.c:469:2: note: Call to function 'memmove' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memmove_s' in case of C11 memmove(buf, p, ret); ^~~~~~~ drivers/block/zram/zram_drv.c:1051:2: 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(zram->compressor, compressor); ^~~~~~ drivers/block/zram/zram_drv.c:1051:2: 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(zram->compressor, compressor); ^~~~~~ >> drivers/block/zram/zram_drv.c:1100:2: warning: Call to function 'memset' is >> insecure as it does not provide security checks introduced in the C11 >> standard. Replace with analogous functions that support length arguments or >> provides boundary checks such as 'memset_s' in case of C11 >> [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memset(&pool_stats, 0x00, sizeof(struct zs_pool_stats)); ^~~~~~ drivers/block/zram/zram_drv.c:1100:2: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 memset(&pool_stats, 0x00, sizeof(struct zs_pool_stats)); ^~~~~~ drivers/block/zram/zram_drv.c:1301:3: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(dst, src, PAGE_SIZE); ^~~~~~ drivers/block/zram/zram_drv.c:1301:3: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(dst, src, PAGE_SIZE); ^~~~~~ drivers/block/zram/zram_drv.c:1342:3: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(dst + bvec->bv_offset, src + offset, bvec->bv_len); ^~~~~~ drivers/block/zram/zram_drv.c:1342:3: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(dst + bvec->bv_offset, src + offset, bvec->bv_len); ^~~~~~ drivers/block/zram/zram_drv.c:1435:2: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(dst, src, comp_len); ^~~~~~ drivers/block/zram/zram_drv.c:1435:2: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(dst, src, comp_len); ^~~~~~ drivers/block/zram/zram_drv.c:1495:3: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(dst + offset, src + bvec->bv_offset, bvec->bv_len); ^~~~~~ drivers/block/zram/zram_drv.c:1495:3: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(dst + offset, src + bvec->bv_offset, bvec->bv_len); ^~~~~~ drivers/block/zram/zram_drv.c:1739:2: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memset(&zram->stats, 0, sizeof(zram->stats)); ^~~~~~ drivers/block/zram/zram_drv.c:1739:2: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 memset(&zram->stats, 0, sizeof(zram->stats)); ^~~~~~ >> drivers/block/zram/zram_drv.c:1946:2: warning: Call to function 'snprintf' >> is insecure as it does not provide security checks introduced in the C11 >> standard. Replace with analogous functions that support length arguments or >> provides boundary checks such as 'snprintf_s' in case of C11 >> [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] snprintf(zram->disk->disk_name, 16, "zram%d", device_id); ^~~~~~~~ drivers/block/zram/zram_drv.c:1946:2: note: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 snprintf(zram->disk->disk_name, 16, "zram%d", device_id); ^~~~~~~~ Suppressed 41 warnings (41 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. 57 warnings generated. drivers/ptp/ptp_kvm_common.c:100:2: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(ts, &tspec, sizeof(struct timespec64)); ^~~~~~ drivers/ptp/ptp_kvm_common.c:100:2: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(ts, &tspec, sizeof(struct timespec64)); ^~~~~~ Suppressed 56 warnings (56 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. Suppressed 18 warnings (18 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/power/supply/power_supply_sysfs.c:251:13: warning: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] count += sprintf(buf + count, "[%s] ", ^~~~~~~ drivers/power/supply/power_supply_sysfs.c:251:13: note: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 count += sprintf(buf + count, "[%s] ", ^~~~~~~ drivers/power/supply/power_supply_sysfs.c:255:13: warning: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] count += sprintf(buf + count, "%s ", ^~~~~~~ drivers/power/supply/power_supply_sysfs.c:255:13: note: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 count += sprintf(buf + count, "%s ", ^~~~~~~ drivers/power/supply/power_supply_sysfs.c:299:10: warning: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] return sprintf(buf, "%s\n", ps_attr->text_values[value.intval]); ^~~~~~~ drivers/power/supply/power_supply_sysfs.c:299:10: note: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 return sprintf(buf, "%s\n", ps_attr->text_values[value.intval]); ^~~~~~~ drivers/power/supply/power_supply_sysfs.c:308:9: warning: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] ret = sprintf(buf, "%s\n", value.strval); ^~~~~~~ drivers/power/supply/power_supply_sysfs.c:308:9: note: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 ret = sprintf(buf, "%s\n", value.strval); ^~~~~~~ drivers/power/supply/power_supply_sysfs.c:311:9: warning: Call to function 'sprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] ret = sprintf(buf, "%d\n", value.intval); ^~~~~~~ drivers/power/supply/power_supply_sysfs.c:311:9: note: Call to function 'sprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 ret = sprintf(buf, "%d\n", value.intval); ^~~~~~~ drivers/power/supply/power_supply_sysfs.c:415:4: warning: Call to function 'sprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] sprintf(power_supply_attrs[i].attr_name, "_err_%d", i); ^~~~~~~ drivers/power/supply/power_supply_sysfs.c:415:4: note: Call to function 'sprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 sprintf(power_supply_attrs[i].attr_name, "_err_%d", i); ^~~~~~~ Suppressed 12 warnings (12 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. 65 warnings generated. drivers/net/phy/nxp-c45-tja11xx.c:438:3: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memset(&shhwtstamps, 0, sizeof(shhwtstamps)); ^~~~~~ drivers/net/phy/nxp-c45-tja11xx.c:438:3: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 memset(&shhwtstamps, 0, sizeof(shhwtstamps)); ^~~~~~ drivers/net/phy/nxp-c45-tja11xx.c:845:3: warning: Call to function 'strncpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'strncpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] strncpy(data + i * ETH_GSTRING_LEN, ^~~~~~~ drivers/net/phy/nxp-c45-tja11xx.c:845:3: note: Call to function 'strncpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'strncpy_s' in case of C11 strncpy(data + i * ETH_GSTRING_LEN, ^~~~~~~ Suppressed 63 warnings (63 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. 65 warnings generated. Suppressed 65 warnings (65 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. 62 warnings generated. drivers/net/phy/realtek.c:813:3: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores] err = phy_write_paged(phydev, 0xa42, RTL9000A_GINMR, val); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/phy/realtek.c:813:3: note: Value stored to 'err' is never read err = phy_write_paged(phydev, 0xa42, RTL9000A_GINMR, val); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/phy/realtek.c:820:3: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores] err = rtl9000a_ack_interrupt(phydev); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/phy/realtek.c:820:3: note: Value stored to 'err' is never read err = rtl9000a_ack_interrupt(phydev); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 60 warnings (60 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. 59 warnings generated. Suppressed 59 warnings (59 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. 63 warnings generated. Suppressed 63 warnings (63 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. 59 warnings generated. Suppressed 59 warnings (59 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. vim +457 drivers/block/zram/zram_drv.c 013bf95a83ec760 Minchan Kim 2017-09-06 445 013bf95a83ec760 Minchan Kim 2017-09-06 446 static ssize_t backing_dev_show(struct device *dev, 013bf95a83ec760 Minchan Kim 2017-09-06 447 struct device_attribute *attr, char *buf) 013bf95a83ec760 Minchan Kim 2017-09-06 448 { f7daefe4231e573 Chenwandun 2019-10-18 449 struct file *file; 013bf95a83ec760 Minchan Kim 2017-09-06 450 struct zram *zram = dev_to_zram(dev); 013bf95a83ec760 Minchan Kim 2017-09-06 451 char *p; 013bf95a83ec760 Minchan Kim 2017-09-06 452 ssize_t ret; 013bf95a83ec760 Minchan Kim 2017-09-06 453 013bf95a83ec760 Minchan Kim 2017-09-06 454 down_read(&zram->init_lock); f7daefe4231e573 Chenwandun 2019-10-18 455 file = zram->backing_dev; f7daefe4231e573 Chenwandun 2019-10-18 456 if (!file) { 013bf95a83ec760 Minchan Kim 2017-09-06 @457 memcpy(buf, "none\n", 5); 013bf95a83ec760 Minchan Kim 2017-09-06 458 up_read(&zram->init_lock); 013bf95a83ec760 Minchan Kim 2017-09-06 459 return 5; 013bf95a83ec760 Minchan Kim 2017-09-06 460 } 013bf95a83ec760 Minchan Kim 2017-09-06 461 013bf95a83ec760 Minchan Kim 2017-09-06 462 p = file_path(file, buf, PAGE_SIZE - 1); 013bf95a83ec760 Minchan Kim 2017-09-06 463 if (IS_ERR(p)) { 013bf95a83ec760 Minchan Kim 2017-09-06 464 ret = PTR_ERR(p); 013bf95a83ec760 Minchan Kim 2017-09-06 465 goto out; 013bf95a83ec760 Minchan Kim 2017-09-06 466 } 013bf95a83ec760 Minchan Kim 2017-09-06 467 013bf95a83ec760 Minchan Kim 2017-09-06 468 ret = strlen(p); 013bf95a83ec760 Minchan Kim 2017-09-06 @469 memmove(buf, p, ret); 013bf95a83ec760 Minchan Kim 2017-09-06 470 buf[ret++] = '\n'; 013bf95a83ec760 Minchan Kim 2017-09-06 471 out: 013bf95a83ec760 Minchan Kim 2017-09-06 472 up_read(&zram->init_lock); 013bf95a83ec760 Minchan Kim 2017-09-06 473 return ret; 013bf95a83ec760 Minchan Kim 2017-09-06 474 } 013bf95a83ec760 Minchan Kim 2017-09-06 475 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected] _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
