Messages in this thread | | | Date | Tue, 28 Sep 2021 03:31:48 +0800 | From | kernel test robot <> | Subject | fs/fuse/virtio_fs.c:604:9: warning: 'strncpy' specified bound 24 equals destination size |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 92477dd1faa650e50bd3bb35a6c0b8d09198cc35 commit: b43b7e81eb2b188fab1d8bc334b4b725f6d2ae10 virtiofs: provide a helper function for virtqueue initialization date: 1 year, 1 month ago config: arm-randconfig-r025-20210927 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b43b7e81eb2b188fab1d8bc334b4b725f6d2ae10 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout b43b7e81eb2b188fab1d8bc334b4b725f6d2ae10 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
fs/fuse/virtio_fs.c: In function 'virtio_fs_init_vq': >> fs/fuse/virtio_fs.c:604:9: warning: 'strncpy' specified bound 24 equals destination size [-Wstringop-truncation] 604 | strncpy(fsvq->name, name, VQ_NAME_LEN); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/strncpy +604 fs/fuse/virtio_fs.c
600 601 static void virtio_fs_init_vq(struct virtio_fs_vq *fsvq, char *name, 602 int vq_type) 603 { > 604 strncpy(fsvq->name, name, VQ_NAME_LEN); 605 spin_lock_init(&fsvq->lock); 606 INIT_LIST_HEAD(&fsvq->queued_reqs); 607 INIT_LIST_HEAD(&fsvq->end_reqs); 608 init_completion(&fsvq->in_flight_zero); 609 610 if (vq_type == VQ_REQUEST) { 611 INIT_WORK(&fsvq->done_work, virtio_fs_requests_done_work); 612 INIT_DELAYED_WORK(&fsvq->dispatch_work, 613 virtio_fs_request_dispatch_work); 614 } else { 615 INIT_WORK(&fsvq->done_work, virtio_fs_hiprio_done_work); 616 INIT_DELAYED_WORK(&fsvq->dispatch_work, 617 virtio_fs_hiprio_dispatch_work); 618 } 619 } 620
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