On Wed, Sep 16, 2020 at 11:11 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > tree: https://github.com/ceph/ceph-client.git testing > head: a274f50dee76e2182580cafeb908d95bda2cac70 > commit: c3e9a9f0a4b9178a5c4068b73d6579e8346cd3f3 [2/3] libceph: switch to the new "osd blocklist add" command > config: arm-randconfig-r012-20200916 (attached as .config) > compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 > 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 > git checkout c3e9a9f0a4b9178a5c4068b73d6579e8346cd3f3 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > net/ceph/mon_client.c: In function 'do_mon_command_vargs': > >> net/ceph/mon_client.c:928:2: warning: function 'do_mon_command_vargs' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] > 928 | len = vsprintf(h->str, fmt, ap); > | ^~~ > > # https://github.com/ceph/ceph-client/commit/c3e9a9f0a4b9178a5c4068b73d6579e8346cd3f3 > git remote add ceph-client https://github.com/ceph/ceph-client.git > git fetch --no-tags ceph-client testing > git checkout c3e9a9f0a4b9178a5c4068b73d6579e8346cd3f3 > vim +928 net/ceph/mon_client.c > > 898 > 899 static int do_mon_command_vargs(struct ceph_mon_client *monc, > 900 const char *fmt, va_list ap) > 901 { > 902 struct ceph_mon_generic_request *req; > 903 struct ceph_mon_command *h; > 904 int ret = -ENOMEM; > 905 int len; > 906 > 907 req = alloc_generic_request(monc, GFP_NOIO); > 908 if (!req) > 909 goto out; > 910 > 911 req->request = ceph_msg_new(CEPH_MSG_MON_COMMAND, 256, GFP_NOIO, true); > 912 if (!req->request) > 913 goto out; > 914 > 915 req->reply = ceph_msg_new(CEPH_MSG_MON_COMMAND_ACK, 512, GFP_NOIO, > 916 true); > 917 if (!req->reply) > 918 goto out; > 919 > 920 mutex_lock(&monc->mutex); > 921 register_generic_request(req); > 922 h = req->request->front.iov_base; > 923 h->monhdr.have_version = 0; > 924 h->monhdr.session_mon = cpu_to_le16(-1); > 925 h->monhdr.session_mon_tid = 0; > 926 h->fsid = monc->monmap->fsid; > 927 h->num_strs = cpu_to_le32(1); > > 928 len = vsprintf(h->str, fmt, ap); > 929 h->str_len = cpu_to_le32(len); > 930 send_generic_request(monc, req); > 931 mutex_unlock(&monc->mutex); > 932 > 933 ret = wait_generic_request(req); > 934 out: > 935 put_generic_request(req); > 936 return ret; > 937 } > 938 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Yup, missed that. Now fixed. Thanks, Ilya