tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-linus head: 278e619aa26f3da3e1e06bc26992999cac597fca commit: 5abb11d2c9b7d5e4f95a3b4413cf11fa9e75a829 [6/10] io_uring: ensure async punted sendmsg/recvmsg requests copy data config: c6x-evmc6678_defconfig (attached as .config) compiler: c6x-elf-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 5abb11d2c9b7d5e4f95a3b4413cf11fa9e75a829 # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=c6x If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): fs/io_uring.o: In function `io_req_defer_prep': --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation