From: kernel test robot <lkp@intel.com>
To: Jozsef Kadlecsik <kadlec@netfilter.org>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org
Subject: include/linux/spinlock.h:383:9: sparse: sparse: context imbalance in 'ip_set_test' - unexpected unlock
Date: Thu, 30 Jul 2020 01:58:25 +0800 [thread overview]
Message-ID: <202007300114.q6bzy2ia%lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 6ba1b005ffc388c2aeaddae20da29e4810dea298
commit: f66ee0410b1c3481ee75e5db9b34547b4d582465 netfilter: ipset: Fix "INFO: rcu detected stall in hash_xxx" reports
date: 5 months ago
config: m68k-randconfig-s031-20200729 (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.2-97-gee4aea9a-dirty
git checkout f66ee0410b1c3481ee75e5db9b34547b4d582465
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=m68k
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
net/netfilter/ipset/ip_set_core.c: note: in included file (through include/linux/seqlock.h, include/linux/time.h, include/linux/stat.h, ...):
>> include/linux/spinlock.h:383:9: sparse: sparse: context imbalance in 'ip_set_test' - unexpected unlock
>> include/linux/spinlock.h:383:9: sparse: sparse: context imbalance in 'ip_set_add' - unexpected unlock
>> include/linux/spinlock.h:383:9: sparse: sparse: context imbalance in 'ip_set_del' - unexpected unlock
>> include/linux/spinlock.h:383:9: sparse: sparse: context imbalance in 'ip_set_flush_set' - unexpected unlock
>> include/linux/spinlock.h:383:9: sparse: sparse: context imbalance in 'call_ad' - unexpected unlock
vim +/ip_set_test +383 include/linux/spinlock.h
c2f21ce2e31286 Thomas Gleixner 2009-12-02 380
3490565b633c70 Denys Vlasenko 2015-07-13 381 static __always_inline void spin_unlock_bh(spinlock_t *lock)
c2f21ce2e31286 Thomas Gleixner 2009-12-02 382 {
c2f21ce2e31286 Thomas Gleixner 2009-12-02 @383 raw_spin_unlock_bh(&lock->rlock);
c2f21ce2e31286 Thomas Gleixner 2009-12-02 384 }
c2f21ce2e31286 Thomas Gleixner 2009-12-02 385
:::::: The code at line 383 was first introduced by commit
:::::: c2f21ce2e31286a0a32f8da0a7856e9ca1122ef3 locking: Implement new raw_spinlock
:::::: TO: Thomas Gleixner <tglx@linutronix.de>
:::::: CC: Thomas Gleixner <tglx@linutronix.de>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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reply other threads:[~2020-07-29 18:24 UTC|newest]
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