tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 85a2c56cb4454c73f56d3099d96942e7919b292f commit: 6a6155f664e31c9be43cd690541a9a682ba3dc22 ubsan: introduce CONFIG_UBSAN_LOCAL_BOUNDS for Clang date: 6 weeks ago config: mips-randconfig-r022-20201127 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 175ebad958a0ebaf6c56c20ab30b9d4347742c29) 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 mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6a6155f664e31c9be43cd690541a9a682ba3dc22 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 6a6155f664e31c9be43cd690541a9a682ba3dc22 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/media/common/saa7146/saa7146_hlp.c:648:5: warning: stack frame size of 1088 bytes in function 'saa7146_enable_overlay' [-Wframe-larger-than=] int saa7146_enable_overlay(struct saa7146_fh *fh) ^ 1 warning generated. vim +/saa7146_enable_overlay +648 drivers/media/common/saa7146/saa7146_hlp.c ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 647 ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 @648 int saa7146_enable_overlay(struct saa7146_fh *fh) ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 649 { ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 650 struct saa7146_dev *dev = fh->dev; ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 651 struct saa7146_vv *vv = dev->vv_data; ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 652 5da545ad08a3c6e drivers/media/common/saa7146_hlp.c Hans Verkuil 2012-05-01 653 saa7146_set_window(dev, vv->ov.win.w.width, vv->ov.win.w.height, vv->ov.win.field); 5da545ad08a3c6e drivers/media/common/saa7146_hlp.c Hans Verkuil 2012-05-01 654 saa7146_set_position(dev, vv->ov.win.w.left, vv->ov.win.w.top, vv->ov.win.w.height, vv->ov.win.field, vv->ov_fmt->pixelformat); ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 655 saa7146_set_output_format(dev, vv->ov_fmt->trans); ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 656 saa7146_set_clipping_rect(fh); ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 657 ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 658 /* enable video dma1 */ ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 659 saa7146_write(dev, MC1, (MASK_06 | MASK_22)); ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 660 return 0; ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 661 } ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 662 :::::: The code at line 648 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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