Hi Avichal, kernel test robot noticed the following build warnings: [auto build test WARNING on usb/usb-testing] [also build test WARNING on usb/usb-next usb/usb-linus linus/master v6.6-rc6 next-20231019] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Avichal-Rakesh/usb-gadget-uvc-prevent-use-of-disabled-endpoint/20231020-025512 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/20231019185319.2714000-5-arakesh%40google.com patch subject: [PATCH v6 4/4] usb: gadget: uvc: Fix use-after-free for inflight usb_requests config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20231020/202310200457.GwPPFuHX-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231020/202310200457.GwPPFuHX-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202310200457.GwPPFuHX-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/usb/gadget/function/uvc_video.c:231: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Must be called with req_lock held as it modifies the list ureq is held in vim +231 drivers/usb/gadget/function/uvc_video.c 225 226 /* -------------------------------------------------------------------------- 227 * Request handling 228 */ 229 230 /** > 231 * Must be called with req_lock held as it modifies the list ureq is held in 232 */ 233 static void 234 uvc_video_free_request(struct uvc_request *ureq, struct usb_ep *ep) 235 { 236 sg_free_table(&ureq->sgt); 237 if (ureq->req && ep) { 238 usb_ep_free_request(ep, ureq->req); 239 ureq->req = NULL; 240 } 241 242 kfree(ureq->req_buffer); 243 ureq->req_buffer = NULL; 244 245 if (!list_empty(&ureq->list)) 246 list_del_init(&ureq->list); 247 248 kfree(ureq); 249 } 250 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
