From: kernel test robot <lkp@intel.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
netdev@vger.kernel.org
Cc: oe-kbuild-all@lists.linux.dev,
Steffen Klassert <steffen.klassert@secunet.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH net-next] xfrm: Use rcuref_t for xfrm_state' reference counting.
Date: Sun, 9 Feb 2025 09:06:53 +0800 [thread overview]
Message-ID: <202502090827.R1HaLYSt-lkp@intel.com> (raw)
In-Reply-To: <20250207210248.qy4i5Wkl@linutronix.de>
Hi Sebastian,
kernel test robot noticed the following build warnings:
[auto build test WARNING on net-next/main]
url: https://github.com/intel-lab-lkp/linux/commits/Sebastian-Andrzej-Siewior/xfrm-Use-rcuref_t-for-xfrm_state-reference-counting/20250208-050716
base: net-next/main
patch link: https://lore.kernel.org/r/20250207210248.qy4i5Wkl%40linutronix.de
patch subject: [PATCH net-next] xfrm: Use rcuref_t for xfrm_state' reference counting.
config: i386-randconfig-r122-20250209 (https://download.01.org/0day-ci/archive/20250209/202502090827.R1HaLYSt-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250209/202502090827.R1HaLYSt-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/oe-kbuild-all/202502090827.R1HaLYSt-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
net/xfrm/xfrm_state.c:1866:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:1866:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:1866:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:1866:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:1866:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct hlist_head *h @@ got struct hlist_head [noderef] __rcu * @@
net/xfrm/xfrm_state.c:1866:17: sparse: expected struct hlist_head *h
net/xfrm/xfrm_state.c:1866:17: sparse: got struct hlist_head [noderef] __rcu *
net/xfrm/xfrm_state.c:1869:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:1869:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:1869:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:1869:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:1869:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:1869:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:1869:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:1869:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:1869:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:1869:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:1869:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct hlist_head *h @@ got struct hlist_head [noderef] __rcu * @@
net/xfrm/xfrm_state.c:1869:17: sparse: expected struct hlist_head *h
net/xfrm/xfrm_state.c:1869:17: sparse: got struct hlist_head [noderef] __rcu *
net/xfrm/xfrm_state.c:2479:9: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2479:9: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2479:9: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2479:9: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2479:9: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2479:9: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2479:9: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2479:9: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2479:9: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2479:9: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2593:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2593:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2593:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2593:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2593:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2593:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2593:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2593:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2593:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2593:17: sparse: sparse: cast removes address space '__rcu' of expression
net/xfrm/xfrm_state.c:2593:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct hlist_head *h @@ got struct hlist_head [noderef] __rcu * @@
net/xfrm/xfrm_state.c:2593:17: sparse: expected struct hlist_head *h
net/xfrm/xfrm_state.c:2593:17: sparse: got struct hlist_head [noderef] __rcu *
net/xfrm/xfrm_state.c:3253:31: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct hlist_head [noderef] __rcu *state_bydst @@ got struct hlist_head * @@
net/xfrm/xfrm_state.c:3253:31: sparse: expected struct hlist_head [noderef] __rcu *state_bydst
net/xfrm/xfrm_state.c:3253:31: sparse: got struct hlist_head *
net/xfrm/xfrm_state.c:3256:31: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct hlist_head [noderef] __rcu *state_bysrc @@ got struct hlist_head * @@
net/xfrm/xfrm_state.c:3256:31: sparse: expected struct hlist_head [noderef] __rcu *state_bysrc
net/xfrm/xfrm_state.c:3256:31: sparse: got struct hlist_head *
net/xfrm/xfrm_state.c:3259:31: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct hlist_head [noderef] __rcu *state_byspi @@ got struct hlist_head * @@
net/xfrm/xfrm_state.c:3259:31: sparse: expected struct hlist_head [noderef] __rcu *state_byspi
net/xfrm/xfrm_state.c:3259:31: sparse: got struct hlist_head *
net/xfrm/xfrm_state.c:3262:31: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct hlist_head [noderef] __rcu *state_byseq @@ got struct hlist_head * @@
net/xfrm/xfrm_state.c:3262:31: sparse: expected struct hlist_head [noderef] __rcu *state_byseq
net/xfrm/xfrm_state.c:3262:31: sparse: got struct hlist_head *
net/xfrm/xfrm_state.c:3280:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct hlist_head *n @@ got struct hlist_head [noderef] __rcu *state_byseq @@
net/xfrm/xfrm_state.c:3280:33: sparse: expected struct hlist_head *n
net/xfrm/xfrm_state.c:3280:33: sparse: got struct hlist_head [noderef] __rcu *state_byseq
net/xfrm/xfrm_state.c:3282:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct hlist_head *n @@ got struct hlist_head [noderef] __rcu *state_byspi @@
net/xfrm/xfrm_state.c:3282:33: sparse: expected struct hlist_head *n
net/xfrm/xfrm_state.c:3282:33: sparse: got struct hlist_head [noderef] __rcu *state_byspi
net/xfrm/xfrm_state.c:3284:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct hlist_head *n @@ got struct hlist_head [noderef] __rcu *state_bysrc @@
net/xfrm/xfrm_state.c:3284:33: sparse: expected struct hlist_head *n
net/xfrm/xfrm_state.c:3284:33: sparse: got struct hlist_head [noderef] __rcu *state_bysrc
net/xfrm/xfrm_state.c:3286:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct hlist_head *n @@ got struct hlist_head [noderef] __rcu *state_bydst @@
net/xfrm/xfrm_state.c:3286:33: sparse: expected struct hlist_head *n
net/xfrm/xfrm_state.c:3286:33: sparse: got struct hlist_head [noderef] __rcu *state_bydst
net/xfrm/xfrm_state.c:3302:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct hlist_head const *h @@ got struct hlist_head [noderef] __rcu *state_byseq @@
net/xfrm/xfrm_state.c:3302:9: sparse: expected struct hlist_head const *h
net/xfrm/xfrm_state.c:3302:9: sparse: got struct hlist_head [noderef] __rcu *state_byseq
net/xfrm/xfrm_state.c:3303:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct hlist_head *n @@ got struct hlist_head [noderef] __rcu *state_byseq @@
net/xfrm/xfrm_state.c:3303:33: sparse: expected struct hlist_head *n
net/xfrm/xfrm_state.c:3303:33: sparse: got struct hlist_head [noderef] __rcu *state_byseq
net/xfrm/xfrm_state.c:3304:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct hlist_head const *h @@ got struct hlist_head [noderef] __rcu *state_byspi @@
net/xfrm/xfrm_state.c:3304:9: sparse: expected struct hlist_head const *h
net/xfrm/xfrm_state.c:3304:9: sparse: got struct hlist_head [noderef] __rcu *state_byspi
net/xfrm/xfrm_state.c:3305:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct hlist_head *n @@ got struct hlist_head [noderef] __rcu *state_byspi @@
net/xfrm/xfrm_state.c:3305:33: sparse: expected struct hlist_head *n
net/xfrm/xfrm_state.c:3305:33: sparse: got struct hlist_head [noderef] __rcu *state_byspi
net/xfrm/xfrm_state.c:3306:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct hlist_head const *h @@ got struct hlist_head [noderef] __rcu *state_bysrc @@
net/xfrm/xfrm_state.c:3306:9: sparse: expected struct hlist_head const *h
net/xfrm/xfrm_state.c:3306:9: sparse: got struct hlist_head [noderef] __rcu *state_bysrc
net/xfrm/xfrm_state.c:3307:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct hlist_head *n @@ got struct hlist_head [noderef] __rcu *state_bysrc @@
net/xfrm/xfrm_state.c:3307:33: sparse: expected struct hlist_head *n
net/xfrm/xfrm_state.c:3307:33: sparse: got struct hlist_head [noderef] __rcu *state_bysrc
net/xfrm/xfrm_state.c:3308:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct hlist_head const *h @@ got struct hlist_head [noderef] __rcu *state_bydst @@
net/xfrm/xfrm_state.c:3308:9: sparse: expected struct hlist_head const *h
net/xfrm/xfrm_state.c:3308:9: sparse: got struct hlist_head [noderef] __rcu *state_bydst
net/xfrm/xfrm_state.c:3309:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct hlist_head *n @@ got struct hlist_head [noderef] __rcu *state_bydst @@
net/xfrm/xfrm_state.c:3309:33: sparse: expected struct hlist_head *n
net/xfrm/xfrm_state.c:3309:33: sparse: got struct hlist_head [noderef] __rcu *state_bydst
net/xfrm/xfrm_state.c: note: in included file (through include/linux/rbtree.h, include/linux/mm_types.h, include/linux/uio.h, ...):
include/linux/rcupdate.h:880:25: sparse: sparse: context imbalance in 'xfrm_register_type' - unexpected unlock
include/linux/rcupdate.h:880:25: sparse: sparse: context imbalance in 'xfrm_unregister_type' - unexpected unlock
include/linux/rcupdate.h:880:25: sparse: sparse: context imbalance in 'xfrm_get_type' - unexpected unlock
include/linux/rcupdate.h:880:25: sparse: sparse: context imbalance in 'xfrm_register_type_offload' - unexpected unlock
include/linux/rcupdate.h:880:25: sparse: sparse: context imbalance in 'xfrm_unregister_type_offload' - unexpected unlock
include/linux/rcupdate.h:880:25: sparse: sparse: context imbalance in 'xfrm_get_type_offload' - unexpected unlock
net/xfrm/xfrm_state.c:942:17: sparse: sparse: dereference of noderef expression
net/xfrm/xfrm_state.c:987:17: sparse: sparse: dereference of noderef expression
>> net/xfrm/xfrm_state.c:58:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct rcuref_t [usertype] *ref @@ got struct rcuref_t [noderef] __rcu * @@
net/xfrm/xfrm_state.c:58:28: sparse: expected struct rcuref_t [usertype] *ref
net/xfrm/xfrm_state.c:58:28: sparse: got struct rcuref_t [noderef] __rcu *
>> net/xfrm/xfrm_state.c:58:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct rcuref_t [usertype] *ref @@ got struct rcuref_t [noderef] __rcu * @@
net/xfrm/xfrm_state.c:58:28: sparse: expected struct rcuref_t [usertype] *ref
net/xfrm/xfrm_state.c:58:28: sparse: got struct rcuref_t [noderef] __rcu *
>> net/xfrm/xfrm_state.c:58:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct rcuref_t [usertype] *ref @@ got struct rcuref_t [noderef] __rcu * @@
net/xfrm/xfrm_state.c:58:28: sparse: expected struct rcuref_t [usertype] *ref
net/xfrm/xfrm_state.c:58:28: sparse: got struct rcuref_t [noderef] __rcu *
>> net/xfrm/xfrm_state.c:58:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct rcuref_t [usertype] *ref @@ got struct rcuref_t [noderef] __rcu * @@
net/xfrm/xfrm_state.c:58:28: sparse: expected struct rcuref_t [usertype] *ref
net/xfrm/xfrm_state.c:58:28: sparse: got struct rcuref_t [noderef] __rcu *
>> net/xfrm/xfrm_state.c:58:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct rcuref_t [usertype] *ref @@ got struct rcuref_t [noderef] __rcu * @@
net/xfrm/xfrm_state.c:58:28: sparse: expected struct rcuref_t [usertype] *ref
net/xfrm/xfrm_state.c:58:28: sparse: got struct rcuref_t [noderef] __rcu *
net/xfrm/xfrm_state.c: note: in included file (through include/linux/smp.h, include/linux/alloc_tag.h, include/linux/percpu.h, ...):
include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
net/xfrm/xfrm_state.c:1673:9: sparse: sparse: dereference of noderef expression
include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
net/xfrm/xfrm_state.c:1773:9: sparse: sparse: dereference of noderef expression
net/xfrm/xfrm_state.c:1809:9: sparse: sparse: dereference of noderef expression
include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
net/xfrm/xfrm_state.c:2082:17: sparse: sparse: dereference of noderef expression
net/xfrm/xfrm_state.c:2101:17: sparse: sparse: dereference of noderef expression
net/xfrm/xfrm_state.c:2288:17: sparse: sparse: dereference of noderef expression
include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
net/xfrm/xfrm_state.c: note: in included file:
include/net/xfrm.h:1947:16: sparse: sparse: incompatible types in comparison expression (different address spaces):
include/net/xfrm.h:1947:16: sparse: struct sock [noderef] __rcu *
include/net/xfrm.h:1947:16: sparse: struct sock *
vim +58 net/xfrm/xfrm_state.c
55
56 static inline bool xfrm_state_hold_rcu(struct xfrm_state __rcu *x)
57 {
> 58 return rcuref_get(&x->ref);
59 }
60
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
prev parent reply other threads:[~2025-02-09 1:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-07 21:02 [PATCH net-next] xfrm: Use rcuref_t for xfrm_state' reference counting Sebastian Andrzej Siewior
2025-02-09 1:06 ` kernel test robot [this message]
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