Hi Jason, tree: https://github.com/Freescale/linux-fslc pr/284 head: 08867468907e4fb0db541529eaeee70eaf81d395 commit: 5bb09de3044acf91e6f8c712c026d5a4bc53b563 [15241/17564] MLK-24874-1: include: uapi: fmd: fix the UAPI_HEADER_TEST/install failure config: x86_64-randconfig-m001-20210309 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Reported-by: Dan Carpenter <dan.carpenter(a)oracle.com&gt; New smatch warnings: drivers/remoteproc/remoteproc_core.c:1713 rproc_trigger_recovery() error: uninitialized symbol 'firmware_p'. vim +/firmware_p +1713 drivers/remoteproc/remoteproc_core.c 70b85ef83ce352 Fernando Guzman Lugo 2012-08-30 1684 int rproc_trigger_recovery(struct rproc *rproc) 70b85ef83ce352 Fernando Guzman Lugo 2012-08-30 1685 { 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1686 const struct firmware *firmware_p; 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1687 struct device *dev = &rproc->dev; 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1688 int ret; 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1689 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1690 dev_err(dev, "recovering %s\n", rproc->name); 70b85ef83ce352 Fernando Guzman Lugo 2012-08-30 1691 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1692 ret = mutex_lock_interruptible(&rproc->lock); 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1693 if (ret) 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1694 return ret; 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1695 fcd58037f28bf7 Arnaud Pouliquen 2018-04-10 1696 ret = rproc_stop(rproc, true); 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1697 if (ret) 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1698 goto unlock_mutex; ddf711872c9d2b Bjorn Andersson 2016-08-11 1699 eb225e1d92f46b Peng Fan 2020-02-19 1700 if (!rproc->skip_fw_load) { 2666ca9197e3d3 Sarangdhar Joshi 2018-01-05 1701 /* generate coredump */ 2666ca9197e3d3 Sarangdhar Joshi 2018-01-05 1702 rproc_coredump(rproc); 2666ca9197e3d3 Sarangdhar Joshi 2018-01-05 1703 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1704 /* load firmware */ 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1705 ret = request_firmware(&firmware_p, rproc->firmware, dev); 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1706 if (ret < 0) { 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1707 dev_err(dev, "request_firmware failed: %d\n", ret); 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1708 goto unlock_mutex; 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1709 } eb225e1d92f46b Peng Fan 2020-02-19 1710 } firmware_p uninitialize on else path. ddf711872c9d2b Bjorn Andersson 2016-08-11 1711 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1712 /* boot the remote processor up again */ 7e83cab824a867 Sarangdhar Joshi 2017-05-26 @1713 ret = rproc_start(rproc, firmware_p); This will trigger a syzbot/UBSan warning even if it doesn't cause a runtime issue. 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1714 eb225e1d92f46b Peng Fan 2020-02-19 1715 if (!rproc->skip_fw_load) 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1716 release_firmware(firmware_p); 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1717 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1718 unlock_mutex: 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1719 mutex_unlock(&rproc->lock); 7e83cab824a867 Sarangdhar Joshi 2017-05-26 1720 return ret; 70b85ef83ce352 Fernando Guzman Lugo 2012-08-30 1721 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org _______________________________________________ kbuild mailing list -- kbuild(a)lists.01.org To unsubscribe send an email to kbuild-leave(a)lists.01.org