Re: [PATCH] net: add missing ref_tracker_dir_exit() to net_passive_dec()

[kernel test robot <lkp@intel.com>]

:::::: 
:::::: Manual check reason: "linux-review patch is more than 7 days old, verify it wasn't already superseded"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <af7dabf3-d0d7-46dc-a878-e1715b3c9ac6@I-love.SAKURA.ne.jp>
References: <af7dabf3-d0d7-46dc-a878-e1715b3c9ac6@I-love.SAKURA.ne.jp>
TO: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
TO: Eric Dumazet <edumazet@google.com>
TO: Jakub Kicinski <kuba@kernel.org>
TO: Network Development <netdev@vger.kernel.org>

Hi Tetsuo,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]
[also build test ERROR on linus/master horms-ipvs/master v7.2]
[cannot apply to net/main next-20260821]
[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/Tetsuo-Handa/net-add-missing-ref_tracker_dir_exit-to-net_passive_dec/20260816-212649
base:   net-next/main
patch link:    https://lore.kernel.org/r/af7dabf3-d0d7-46dc-a878-e1715b3c9ac6%40I-love.SAKURA.ne.jp
patch subject: [PATCH] net: add missing ref_tracker_dir_exit() to net_passive_dec()
:::::: branch date: 22 hours ago
:::::: commit date: 22 hours ago
config: alpha-defconfig (https://download.01.org/0day-ci/archive/20260825/202608251243.dC6F8tYQ-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260825/202608251243.dC6F8tYQ-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/r/202608251243.dC6F8tYQ-lkp@intel.com/

All errors (new ones prefixed by >>):

   net/core/net_namespace.c: In function 'net_passive_dec':
>> net/core/net_namespace.c:541:41: error: 'struct ref_tracker_dir' has no member named 'dead'
     541 |                 if (!net->refcnt_tracker.dead)
         |                                         ^


vim +541 net/core/net_namespace.c

0f6ede9fbc747e Eric Dumazet       2024-12-04  533  
e57a6320215c39 Kuniyuki Iwashima  2025-02-17  534  void net_passive_dec(struct net *net)
486a87f1e56240 Daniel Lezcano     2009-02-22  535  {
41467d2ff4dfe1 Yajun Deng         2021-08-17  536  	if (refcount_dec_and_test(&net->passive)) {
416c51e17b8b31 Eric Dumazet       2014-09-09  537  		kfree(rcu_access_pointer(net->gen));
0cafd77dcd032d Eric Dumazet       2022-10-20  538  
0cafd77dcd032d Eric Dumazet       2022-10-20  539  		/* There should not be any trackers left there. */
0cafd77dcd032d Eric Dumazet       2022-10-20  540  		ref_tracker_dir_exit(&net->notrefcnt_tracker);
08b1eada860370 Tetsuo Handa       2026-08-16 @541  		if (!net->refcnt_tracker.dead)
08b1eada860370 Tetsuo Handa       2026-08-16  542  			ref_tracker_dir_exit(&net->refcnt_tracker);
0cafd77dcd032d Eric Dumazet       2022-10-20  543  
0f6ede9fbc747e Eric Dumazet       2024-12-04  544  		/* Wait for an extra rcu_barrier() before final free. */
0f6ede9fbc747e Eric Dumazet       2024-12-04  545  		llist_add(&net->defer_free_list, &defer_free_list);
45a19b0a725a04 Johann Felix Soden 2007-11-07  546  	}
41467d2ff4dfe1 Yajun Deng         2021-08-17  547  }
45a19b0a725a04 Johann Felix Soden 2007-11-07  548  

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