CC: [email protected] CC: [email protected] CC: [email protected] TO: Luiz Augusto von Dentz <[email protected]> CC: 0day robot <[email protected]>
tree: https://github.com/0day-ci/linux/commits/Luiz-Augusto-von-Dentz/Bluetooth-eir-Move-EIR-Adv-Data-functions-to-its-own-file/20210922-113507 head: cda1eaab813d24fd5a24abcae5c22e15191ee466 commit: cda1eaab813d24fd5a24abcae5c22e15191ee466 Bluetooth: eir: Move EIR/Adv Data functions to its own file date: 6 days ago :::::: branch date: 6 days ago :::::: commit date: 6 days ago config: i386-randconfig-c001-20210927 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dc6e8dfdfe7efecfda318d43a06fae18b40eb498) 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/cda1eaab813d24fd5a24abcae5c22e15191ee466 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Luiz-Augusto-von-Dentz/Bluetooth-eir-Move-EIR-Adv-Data-functions-to-its-own-file/20210922-113507 git checkout cda1eaab813d24fd5a24abcae5c22e15191ee466 # 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 <[email protected]> clang-analyzer warnings: (new ones prefixed by >>) 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. 15 warnings generated. drivers/w1/w1.c:997:2: warning: Value stored to 'search_bit' is never read [clang-analyzer-deadcode.DeadStores] search_bit = 0; ^ ~ drivers/w1/w1.c:997:2: note: Value stored to 'search_bit' is never read search_bit = 0; ^ ~ drivers/w1/w1.c:999:2: warning: Value stored to 'last_rn' is never read [clang-analyzer-deadcode.DeadStores] last_rn = 0; ^ ~ drivers/w1/w1.c:999:2: note: Value stored to 'last_rn' is never read last_rn = 0; ^ ~ Suppressed 13 warnings (13 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. 13 warnings generated. Suppressed 13 warnings (13 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. 13 warnings generated. Suppressed 13 warnings (13 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. 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. 13 warnings generated. Suppressed 13 warnings (13 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. 13 warnings generated. Suppressed 13 warnings (13 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. 13 warnings generated. Suppressed 13 warnings (13 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. 13 warnings generated. Suppressed 13 warnings (13 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. 13 warnings generated. Suppressed 13 warnings (13 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. 16 warnings generated. net/sunrpc/auth_gss/gss_mech_switch.c:55:3: 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(new, prefix); ^~~~~~ net/sunrpc/auth_gss/gss_mech_switch.c:55:3: 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(new, prefix); ^~~~~~ net/sunrpc/auth_gss/gss_mech_switch.c:56:3: warning: Call to function 'strcat' 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 'strlcat'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy] strcat(new, name); ^~~~~~ net/sunrpc/auth_gss/gss_mech_switch.c:56:3: note: Call to function 'strcat' 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 'strlcat'. CWE-119 strcat(new, name); ^~~~~~ 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. 15 warnings generated. net/sunrpc/auth_gss/svcauth_gss.c:1316:3: warning: Value stored to 'status' is never read [clang-analyzer-deadcode.DeadStores] status = -EINVAL; ^ ~~~~~~~ net/sunrpc/auth_gss/svcauth_gss.c:1316:3: note: Value stored to 'status' is never read status = -EINVAL; ^ ~~~~~~~ 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. 14 warnings generated. 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. 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. 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. 15 warnings generated. Suppressed 15 warnings (13 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. 14 warnings generated. 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. 14 warnings generated. 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. 14 warnings generated. 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. 16 warnings generated. >> net/bluetooth/eir.c:212:2: warning: Value stored to 'ptr' is never read >> [clang-analyzer-deadcode.DeadStores] ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ net/bluetooth/eir.c:212:2: note: Value stored to 'ptr' is never read ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ net/bluetooth/eir.c:295:4: warning: Value stored to 'ptr' is never read [clang-analyzer-deadcode.DeadStores] ptr += 3; ^ ~ net/bluetooth/eir.c:295:4: note: Value stored to 'ptr' is never read ptr += 3; ^ ~ 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. 14 warnings generated. 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. 14 warnings generated. 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. 14 warnings generated. 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. 15 warnings generated. include/linux/list.h:135:13: warning: Use of memory after it is freed [clang-analyzer-unix.Malloc] __list_del(entry->prev, entry->next); ^ net/sunrpc/xprt.c:1783:6: note: Assuming 'xprt' is not equal to NULL if (xprt == NULL) ^~~~~~~~~~~~ net/sunrpc/xprt.c:1783:2: note: Taking false branch if (xprt == NULL) ^ net/sunrpc/xprt.c:1789:14: note: Assuming 'i' is < 'num_prealloc' for (i = 0; i < num_prealloc; i++) { ^~~~~~~~~~~~~~~~ net/sunrpc/xprt.c:1789:2: note: Loop condition is true. Entering loop body for (i = 0; i < num_prealloc; i++) { ^ net/sunrpc/xprt.c:1791:7: note: Assuming 'req' is null if (!req) ^~~~ net/sunrpc/xprt.c:1791:3: note: Taking true branch if (!req) ^ net/sunrpc/xprt.c:1792:4: note: Control jumps to line 1805 goto out_free; ^ net/sunrpc/xprt.c:1805:2: note: Calling 'xprt_free' xprt_free(xprt); ^~~~~~~~~~~~~~~ net/sunrpc/xprt.c:1814:2: note: Calling 'xprt_free_all_slots' xprt_free_all_slots(xprt); ^~~~~~~~~~~~~~~~~~~~~~~~~ net/sunrpc/xprt.c:1743:2: note: Loop condition is true. Entering loop body while (!list_empty(&xprt->free)) { ^ net/sunrpc/xprt.c:1744:9: note: Left side of '&&' is false req = list_first_entry(&xprt->free, struct rpc_rqst, rq_list); ^ include/linux/list.h:522:2: note: expanded from macro 'list_first_entry' list_entry((ptr)->next, type, member) ^ include/linux/list.h:511:2: note: expanded from macro 'list_entry' container_of(ptr, type, member) ^ include/linux/kernel.h:495:61: note: expanded from macro 'container_of' BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ ^ net/sunrpc/xprt.c:1744:9: note: Taking false branch req = list_first_entry(&xprt->free, struct rpc_rqst, rq_list); ^ include/linux/list.h:522:2: note: expanded from macro 'list_first_entry' list_entry((ptr)->next, type, member) ^ include/linux/list.h:511:2: note: expanded from macro 'list_entry' container_of(ptr, type, member) ^ include/linux/kernel.h:495:2: note: expanded from macro 'container_of' BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:328:2: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:316:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:308:3: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^ net/sunrpc/xprt.c:1744:9: note: Loop condition is false. Exiting loop req = list_first_entry(&xprt->free, struct rpc_rqst, rq_list); ^ include/linux/list.h:522:2: note: expanded from macro 'list_first_entry' list_entry((ptr)->next, type, member) ^ include/linux/list.h:511:2: note: expanded from macro 'list_entry' container_of(ptr, type, member) ^ include/linux/kernel.h:495:2: note: expanded from macro 'container_of' vim +/ptr +212 net/bluetooth/eir.c cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 165 cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 166 void eir_create(struct hci_dev *hdev, u8 *data) cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 167 { cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 168 u8 *ptr = data; cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 169 size_t name_len; cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 170 cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 171 name_len = strlen(hdev->dev_name); cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 172 cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 173 if (name_len > 0) { cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 174 /* EIR Data type */ cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 175 if (name_len > 48) { cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 176 name_len = 48; cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 177 ptr[1] = EIR_NAME_SHORT; cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 178 } else { cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 179 ptr[1] = EIR_NAME_COMPLETE; cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 180 } cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 181 cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 182 /* EIR Data length */ cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 183 ptr[0] = name_len + 1; cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 184 cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 185 memcpy(ptr + 2, hdev->dev_name, name_len); cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 186 cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 187 ptr += (name_len + 2); cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 188 } cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 189 cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 190 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) { cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 191 ptr[0] = 2; cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 192 ptr[1] = EIR_TX_POWER; cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 193 ptr[2] = (u8)hdev->inq_tx_power; cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 194 cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 195 ptr += 3; cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 196 } cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 197 cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 198 if (hdev->devid_source > 0) { cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 199 ptr[0] = 9; cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 200 ptr[1] = EIR_DEVICE_ID; cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 201 cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 202 put_unaligned_le16(hdev->devid_source, ptr + 2); cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 203 put_unaligned_le16(hdev->devid_vendor, ptr + 4); cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 204 put_unaligned_le16(hdev->devid_product, ptr + 6); cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 205 put_unaligned_le16(hdev->devid_version, ptr + 8); cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 206 cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 207 ptr += 10; cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 208 } cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 209 cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 210 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 211 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 @212 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 213 } cda1eaab813d24 Luiz Augusto von Dentz 2021-09-20 214 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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