CC: [email protected] CC: [email protected] BCC: [email protected] CC: [email protected] TO: Alan Stern <[email protected]> CC: "Greg Kroah-Hartman" <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing head: c40b62216c1aecc0dc00faf33d71bd71cb440337 commit: fc274c1e997314bf47f6a62c79b5d7e554ed59c4 [74/77] USB: gadget: Add a new bus for gadgets :::::: branch date: 2 days ago :::::: commit date: 2 days ago config: arm-randconfig-c002-20220425 (https://download.01.org/0day-ci/archive/20220428/[email protected]/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 1cddcfdc3c683b393df1a5c9063252eb60e52818) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git/commit/?id=fc274c1e997314bf47f6a62c79b5d7e554ed59c4 git remote add usb https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git git fetch --no-tags usb usb-testing git checkout fc274c1e997314bf47f6a62c79b5d7e554ed59c4 # save the config file COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 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 >>) include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy' #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk' __underlying_##op(p, q, __fortify_size); \ ^~~~~~~~~~~~~~~~~ note: expanded from here include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy' #define __underlying_memcpy __builtin_memcpy ^~~~~~~~~~~~~~~~ Suppressed 40 warnings (40 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. 49 warnings generated. Suppressed 49 warnings (49 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. 52 warnings generated. drivers/i2c/busses/i2c-mv64xxx.c:448:2: 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(msg->buf, buf, msg->len); ^ include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy' #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk' __underlying_##op(p, q, __fortify_size); \ ^~~~~~~~~~~~~~~~~ note: expanded from here include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy' #define __underlying_memcpy __builtin_memcpy ^~~~~~~~~~~~~~~~ drivers/i2c/busses/i2c-mv64xxx.c:448:2: 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(msg->buf, buf, msg->len); ^ include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy' #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk' __underlying_##op(p, q, __fortify_size); \ ^~~~~~~~~~~~~~~~~ note: expanded from here include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy' #define __underlying_memcpy __builtin_memcpy ^~~~~~~~~~~~~~~~ drivers/i2c/busses/i2c-mv64xxx.c:603:2: 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(buf, msg->buf, msg->len); ^ include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy' #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk' __underlying_##op(p, q, __fortify_size); \ ^~~~~~~~~~~~~~~~~ note: expanded from here include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy' #define __underlying_memcpy __builtin_memcpy ^~~~~~~~~~~~~~~~ drivers/i2c/busses/i2c-mv64xxx.c:603:2: 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(buf, msg->buf, msg->len); ^ include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy' #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk' __underlying_##op(p, q, __fortify_size); \ ^~~~~~~~~~~~~~~~~ note: expanded from here include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy' #define __underlying_memcpy __builtin_memcpy ^~~~~~~~~~~~~~~~ drivers/i2c/busses/i2c-mv64xxx.c:982:3: 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(&drv_data->reg_offsets, &mv64xxx_i2c_regs_mv64xxx, sizeof(drv_data->reg_offsets)); ^ include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy' #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk' __underlying_##op(p, q, __fortify_size); \ ^~~~~~~~~~~~~~~~~ note: expanded from here include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy' #define __underlying_memcpy __builtin_memcpy ^~~~~~~~~~~~~~~~ drivers/i2c/busses/i2c-mv64xxx.c:982:3: 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(&drv_data->reg_offsets, &mv64xxx_i2c_regs_mv64xxx, sizeof(drv_data->reg_offsets)); ^ include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy' #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk' __underlying_##op(p, q, __fortify_size); \ ^~~~~~~~~~~~~~~~~ note: expanded from here include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy' #define __underlying_memcpy __builtin_memcpy ^~~~~~~~~~~~~~~~ Suppressed 49 warnings (49 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. 40 warnings generated. Suppressed 40 warnings (40 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. 44 warnings generated. >> drivers/usb/gadget/udc/core.c:1558:4: warning: Value stored to 'ret' is >> never read [clang-analyzer-deadcode.DeadStores] ret = -EBUSY; ^ ~~~~~~ drivers/usb/gadget/udc/core.c:1558:4: note: Value stored to 'ret' is never read ret = -EBUSY; ^ ~~~~~~ drivers/usb/gadget/udc/core.c:1635:9: 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", usb_state_string(gadget->state)); ^~~~~~~ drivers/usb/gadget/udc/core.c:1635:9: 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", usb_state_string(gadget->state)); ^~~~~~~ Suppressed 42 warnings (42 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. Suppressed 51 warnings (51 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/usb/gadget/udc/pxa27x_udc.c:478:17: warning: Value stored to 'ep' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct pxa_ep *ep = &udc->pxa_ep[0]; ^~ ~~~~~~~~~~~~~~~ drivers/usb/gadget/udc/pxa27x_udc.c:478:17: note: Value stored to 'ep' during its initialization is never read struct pxa_ep *ep = &udc->pxa_ep[0]; ^~ ~~~~~~~~~~~~~~~ drivers/usb/gadget/udc/pxa27x_udc.c:479:8: warning: Value stored to 'old_stname' during its initialization is never read [clang-analyzer-deadcode.DeadStores] char *old_stname = EP0_STNAME(udc); ^~~~~~~~~~ drivers/usb/gadget/udc/pxa27x_udc.c:479:8: note: Value stored to 'old_stname' during its initialization is never read char *old_stname = EP0_STNAME(udc); ^~~~~~~~~~ drivers/usb/gadget/udc/pxa27x_udc.c:1085:2: warning: Value stored to 'is_first_req' is never read [clang-analyzer-deadcode.DeadStores] is_first_req = list_empty(&ep->queue); ^ ~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/gadget/udc/pxa27x_udc.c:1085:2: note: Value stored to 'is_first_req' is never read is_first_req = list_empty(&ep->queue); ^ ~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/gadget/udc/pxa27x_udc.c:1706:2: 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(&udc->stats, 0, sizeof(udc->stats)); ^ include/linux/fortify-string.h:272:25: note: expanded from macro 'memset' #define memset(p, c, s) __fortify_memset_chk(p, c, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk' __underlying_memset(p, c, __fortify_size); \ ^~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset' #define __underlying_memset __builtin_memset ^~~~~~~~~~~~~~~~ drivers/usb/gadget/udc/pxa27x_udc.c:1706:2: 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(&udc->stats, 0, sizeof(udc->stats)); ^ include/linux/fortify-string.h:272:25: note: expanded from macro 'memset' #define memset(p, c, s) __fortify_memset_chk(p, c, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk' __underlying_memset(p, c, __fortify_size); \ ^~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset' #define __underlying_memset __builtin_memset ^~~~~~~~~~~~~~~~ drivers/usb/gadget/udc/pxa27x_udc.c:2251:2: 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(&udc->stats, 0, sizeof udc->stats); ^ include/linux/fortify-string.h:272:25: note: expanded from macro 'memset' #define memset(p, c, s) __fortify_memset_chk(p, c, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk' __underlying_memset(p, c, __fortify_size); \ ^~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset' #define __underlying_memset __builtin_memset ^~~~~~~~~~~~~~~~ drivers/usb/gadget/udc/pxa27x_udc.c:2251:2: 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(&udc->stats, 0, sizeof udc->stats); ^ include/linux/fortify-string.h:272:25: note: expanded from macro 'memset' #define memset(p, c, s) __fortify_memset_chk(p, c, s, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk' __underlying_memset(p, c, __fortify_size); \ ^~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset' #define __underlying_memset __builtin_memset ^~~~~~~~~~~~~~~~ drivers/usb/gadget/udc/pxa27x_udc.c:2270:6: warning: Value stored to 'udccr' during its initialization is never read [clang-analyzer-deadcode.DeadStores] u32 udccr = udc_readl(udc, UDCCR); ^~~~~ drivers/usb/gadget/udc/pxa27x_udc.c:2270:6: note: Value stored to 'udccr' during its initialization is never read u32 udccr = udc_readl(udc, UDCCR); ^~~~~ Suppressed 51 warnings (51 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. 49 warnings generated. Suppressed 49 warnings (49 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. 35 warnings generated. Suppressed 35 warnings (35 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. 42 warnings generated. drivers/input/misc/ati_remote2.c:71:9: 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] return sprintf(buffer, "0x%04x\n", *(unsigned int *)kp->arg); vim +/ret +1558 drivers/usb/gadget/udc/core.c fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1534 fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1535 int usb_gadget_register_driver_owner(struct usb_gadget_driver *driver, fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1536 struct module *owner, const char *mod_name) 4c49a5f0ef1bc6 drivers/usb/gadget/udc-core.c Sebastian Andrzej Siewior 2012-12-23 1537 { fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1538 int ret; 4c49a5f0ef1bc6 drivers/usb/gadget/udc-core.c Sebastian Andrzej Siewior 2012-12-23 1539 4c49a5f0ef1bc6 drivers/usb/gadget/udc-core.c Sebastian Andrzej Siewior 2012-12-23 1540 if (!driver || !driver->bind || !driver->setup) 4c49a5f0ef1bc6 drivers/usb/gadget/udc-core.c Sebastian Andrzej Siewior 2012-12-23 1541 return -EINVAL; 4c49a5f0ef1bc6 drivers/usb/gadget/udc-core.c Sebastian Andrzej Siewior 2012-12-23 1542 fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1543 driver->driver.bus = &gadget_bus_type; fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1544 driver->driver.owner = owner; fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1545 driver->driver.mod_name = mod_name; fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1546 ret = driver_register(&driver->driver); fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1547 if (ret) { fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1548 pr_warn("%s: driver registration failed: %d\n", fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1549 driver->function, ret); fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1550 return ret; 2284b29d3d9dd1 drivers/usb/gadget/udc/udc-core.c Ruslan Bilovol 2015-11-23 1551 } fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1552 fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1553 mutex_lock(&udc_lock); fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1554 if (!driver->is_bound) { fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1555 if (driver->match_existing_only) { fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1556 pr_warn("%s: couldn't find an available UDC or it's busy\n", fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1557 driver->function); 7b01738112608c drivers/usb/gadget/udc/core.c Felix Hädicke 2016-12-29 @1558 ret = -EBUSY; 2284b29d3d9dd1 drivers/usb/gadget/udc/udc-core.c Ruslan Bilovol 2015-11-23 1559 } else { fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1560 pr_info("%s: couldn't find an available UDC\n", 855ed04a3758b2 drivers/usb/gadget/udc/udc-core.c Ruslan Bilovol 2015-11-23 1561 driver->function); fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1562 } f1bddbb3de6087 drivers/usb/gadget/udc/udc-core.c Krzysztof Opasiak 2016-05-05 1563 ret = 0; f1bddbb3de6087 drivers/usb/gadget/udc/udc-core.c Krzysztof Opasiak 2016-05-05 1564 } 4c49a5f0ef1bc6 drivers/usb/gadget/udc-core.c Sebastian Andrzej Siewior 2012-12-23 1565 mutex_unlock(&udc_lock); fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1566 1d039a80613dd8 drivers/usb/gadget/udc/core.c Dejin Zheng 2020-01-04 1567 if (ret) fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1568 driver_unregister(&driver->driver); 2ccea03a8f7ec9 drivers/usb/gadget/udc-core.c Felipe Balbi 2011-06-28 1569 return ret; 2ccea03a8f7ec9 drivers/usb/gadget/udc-core.c Felipe Balbi 2011-06-28 1570 } fc274c1e997314 drivers/usb/gadget/udc/core.c Alan Stern 2022-04-23 1571 EXPORT_SYMBOL_GPL(usb_gadget_register_driver_owner); 2ccea03a8f7ec9 drivers/usb/gadget/udc-core.c Felipe Balbi 2011-06-28 1572 :::::: The code at line 1558 was first introduced by commit :::::: 7b01738112608ce47083178ae2b9ebadf02d32cc usb: gadget: udc: core: fix return code of usb_gadget_probe_driver() :::::: TO: Felix Hädicke <[email protected]> :::::: CC: Felipe Balbi <[email protected]> -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
