On Tue, 21 May 2019, Greg Kroah-Hartman wrote: > On Tue, May 21, 2019 at 04:48:47PM +0800, kbuild test robot wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-linus > > head: 53c7b63f797c96a30c21dd3b781fafaae096a12b > > commit: 31e0456de5be379b10fea0fa94a681057114a96e [3/10] media: usb: siano: Fix general protection fault in smsusb > > config: mips-allmodconfig (attached as .config) > > compiler: mips-linux-gcc (GCC) 8.1.0 > > reproduce: > > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > > chmod +x ~/bin/make.cross > > git checkout 31e0456de5be379b10fea0fa94a681057114a96e > > # save the attached .config to linux build tree > > GCC_VERSION=8.1.0 make.cross ARCH=mips > > > > If you fix the issue, kindly add following tag > > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > > > Note: it may well be a FALSE warning. FWIW you are at least aware of it now. > > http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings > > False positive, gcc isn't smart enough here. Should I send a patch initializing the value to 0 anyway? Alan Stern