BCC: lkp(a)intel.com CC: kbuild-all(a)lists.01.org CC: linux-kernel(a)vger.kernel.org TO: Hristo Venev <hristo(a)venev.name&gt; CC: Paolo Abeni <pabeni(a)redhat.com&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 521a547ced6477c54b4b0cc206000406c221b4d6 commit: d7241f679a59cfe27f92cb5c6272cb429fb1f7ec be2net: Fix buffer overflow in be_get_module_eeprom date: 9 weeks ago :::::: branch date: 28 hours ago :::::: commit date: 9 weeks ago config: csky-randconfig-m041-20220918 (https://download.01.org/0day-ci/archive/20220920/202209200820.RPZrapD4-lk...) compiler: csky-linux-gcc (GCC) 12.1.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp(a)intel.com&gt; Reported-by: Dan Carpenter <dan.carpenter(a)oracle.com&gt; smatch warnings: drivers/net/ethernet/emulex/benet/be_ethtool.c:1392 be_get_module_eeprom() error: uninitialized symbol 'status'. vim +/status +1392 drivers/net/ethernet/emulex/benet/be_ethtool.c e36edd9d26cf25 Mark Leonard 2014-09-12 1359 e36edd9d26cf25 Mark Leonard 2014-09-12 1360 static int be_get_module_eeprom(struct net_device *netdev, e36edd9d26cf25 Mark Leonard 2014-09-12 1361 struct ethtool_eeprom *eeprom, u8 *data) e36edd9d26cf25 Mark Leonard 2014-09-12 1362 { e36edd9d26cf25 Mark Leonard 2014-09-12 1363 struct be_adapter *adapter = netdev_priv(netdev); e36edd9d26cf25 Mark Leonard 2014-09-12 1364 int status; d7241f679a59cf Hristo Venev 2022-07-16 1365 u32 begin, end; e36edd9d26cf25 Mark Leonard 2014-09-12 1366 e36edd9d26cf25 Mark Leonard 2014-09-12 1367 if (!check_privilege(adapter, MAX_PRIVILEGES)) e36edd9d26cf25 Mark Leonard 2014-09-12 1368 return -EOPNOTSUPP; e36edd9d26cf25 Mark Leonard 2014-09-12 1369 d7241f679a59cf Hristo Venev 2022-07-16 1370 begin = eeprom->offset; d7241f679a59cf Hristo Venev 2022-07-16 1371 end = eeprom->offset + eeprom->len; d7241f679a59cf Hristo Venev 2022-07-16 1372 d7241f679a59cf Hristo Venev 2022-07-16 1373 if (begin < PAGE_DATA_LEN) { d7241f679a59cf Hristo Venev 2022-07-16 1374 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, begin, d7241f679a59cf Hristo Venev 2022-07-16 1375 min_t(u32, end, PAGE_DATA_LEN) - begin, e36edd9d26cf25 Mark Leonard 2014-09-12 1376 data); e36edd9d26cf25 Mark Leonard 2014-09-12 1377 if (status) e36edd9d26cf25 Mark Leonard 2014-09-12 1378 goto err; e36edd9d26cf25 Mark Leonard 2014-09-12 1379 d7241f679a59cf Hristo Venev 2022-07-16 1380 data += PAGE_DATA_LEN - begin; d7241f679a59cf Hristo Venev 2022-07-16 1381 begin = PAGE_DATA_LEN; d7241f679a59cf Hristo Venev 2022-07-16 1382 } d7241f679a59cf Hristo Venev 2022-07-16 1383 d7241f679a59cf Hristo Venev 2022-07-16 1384 if (end > PAGE_DATA_LEN) { d7241f679a59cf Hristo Venev 2022-07-16 1385 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A2, d7241f679a59cf Hristo Venev 2022-07-16 1386 begin - PAGE_DATA_LEN, d7241f679a59cf Hristo Venev 2022-07-16 1387 end - begin, data); e36edd9d26cf25 Mark Leonard 2014-09-12 1388 if (status) e36edd9d26cf25 Mark Leonard 2014-09-12 1389 goto err; e36edd9d26cf25 Mark Leonard 2014-09-12 1390 } e36edd9d26cf25 Mark Leonard 2014-09-12 1391 err: e36edd9d26cf25 Mark Leonard 2014-09-12 @1392 return be_cmd_status(status); e36edd9d26cf25 Mark Leonard 2014-09-12 1393 } e36edd9d26cf25 Mark Leonard 2014-09-12 1394 :::::: The code at line 1392 was first introduced by commit :::::: e36edd9d26cf257511548edaf2b7a56eb4fed854 be2net: add ethtool "-m" option support :::::: TO: Mark Leonard <mark.leonard(a)emulex.com&gt; :::::: CC: David S. Miller <davem(a)davemloft.net&gt; -- 0-DAY CI Kernel Test Service https://01.org/lkp