* Re: [RFC PATCH net-next 06/13] rtnetlink: bridge: mcast: Move MDB handlers out of bridge driver
[not found] <20230204170801.3897900-7-idosch@nvidia.com>
@ 2023-02-05 10:36 ` kernel test robot
2023-02-05 13:32 ` kernel test robot
1 sibling, 0 replies; 2+ messages in thread
From: kernel test robot @ 2023-02-05 10:36 UTC (permalink / raw)
To: Ido Schimmel; +Cc: llvm, oe-kbuild-all
Hi Ido,
[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on net-next/master]
url: https://github.com/intel-lab-lkp/linux/commits/Ido-Schimmel/bridge-mcast-Use-correct-define-in-MDB-dump/20230205-011545
patch link: https://lore.kernel.org/r/20230204170801.3897900-7-idosch%40nvidia.com
patch subject: [RFC PATCH net-next 06/13] rtnetlink: bridge: mcast: Move MDB handlers out of bridge driver
config: i386-randconfig-a002 (https://download.01.org/0day-ci/archive/20230205/202302051820.pWDrttJj-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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://github.com/intel-lab-lkp/linux/commit/dd1f784995f3efdbf26e2b2694a0cd1ca181d35e
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Ido-Schimmel/bridge-mcast-Use-correct-define-in-MDB-dump/20230205-011545
git checkout dd1f784995f3efdbf26e2b2694a0cd1ca181d35e
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> net/core/rtnetlink.c:6105:2: error: call to __compiletime_assert_651 declared with 'error' attribute: BUILD_BUG_ON failed: sizeof(*ctx) != sizeof(cb->ctx)
BUILD_BUG_ON(sizeof(*ctx) != sizeof(cb->ctx));
^
include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
include/linux/compiler_types.h:358:2: note: expanded from macro 'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^
include/linux/compiler_types.h:346:2: note: expanded from macro '_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:339:4: note: expanded from macro '__compiletime_assert'
prefix ## suffix(); \
^
<scratch space>:20:1: note: expanded from here
__compiletime_assert_651
^
1 error generated.
vim +/error +6105 net/core/rtnetlink.c
6096
6097 static int rtnl_mdb_dump(struct sk_buff *skb, struct netlink_callback *cb)
6098 {
6099 struct rtnl_mdb_dump_ctx *ctx = (void *)cb->ctx;
6100 struct net *net = sock_net(skb->sk);
6101 struct net_device *dev;
6102 int idx, s_idx;
6103 int err;
6104
> 6105 BUILD_BUG_ON(sizeof(*ctx) != sizeof(cb->ctx));
6106
6107 if (cb->strict_check) {
6108 err = rtnl_mdb_valid_dump_req(cb->nlh, cb->extack);
6109 if (err)
6110 return err;
6111 }
6112
6113 s_idx = ctx->idx;
6114 idx = 0;
6115
6116 for_each_netdev(net, dev) {
6117 if (idx < s_idx)
6118 goto skip;
6119 if (!dev->netdev_ops->ndo_mdb_dump)
6120 goto skip;
6121
6122 err = dev->netdev_ops->ndo_mdb_dump(dev, skb, cb);
6123 if (err == -EMSGSIZE)
6124 goto out;
6125 /* Moving on to next device, reset device's markers. */
6126 memset(ctx->dev_markers, 0, sizeof(ctx->dev_markers));
6127 skip:
6128 idx++;
6129 }
6130
6131 out:
6132 ctx->idx = idx;
6133 return skb->len;
6134 }
6135
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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