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Date:   Mon, 10 Oct 2022 03:54:34 +0800
From:   kernel test robot <lkp@...el.com>
To:     Qing Zhang <zhangqing@...ngson.cn>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Huacai Chen <chenhuacai@...nel.org>
Subject: net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1
 (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a6afa4199d3d038fbfdff5511f7523b0e30cb774
commit: 93a4fa622eb061f75f87f0cf9609ab4e69c67d01 LoongArch: Add STACKTRACE support
date:   8 weeks ago
config: loongarch-randconfig-s043-20221009
compiler: loongarch64-linux-gcc (GCC) 12.1.0
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: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93a4fa622eb061f75f87f0cf9609ab4e69c67d01
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 93a4fa622eb061f75f87f0cf9609ab4e69c67d01
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch SHELL=/bin/bash kernel/trace/ net/core/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

sparse warnings: (new ones prefixed by >>)
   net/core/dev.c:3325:23: sparse: sparse: incorrect type in argument 4 (different base types) @@     expected restricted __wsum [usertype] csum @@     got unsigned int @@
   net/core/dev.c:3325:23: sparse:     expected restricted __wsum [usertype] csum
   net/core/dev.c:3325:23: sparse:     got unsigned int
   net/core/dev.c:3325:23: sparse: sparse: cast from restricted __wsum
   net/core/dev.c:204:9: sparse: sparse: context imbalance in 'unlist_netdevice' - different lock contexts for basic block
   net/core/dev.c:3829:17: sparse: sparse: context imbalance in '__dev_queue_xmit' - different lock contexts for basic block
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
   net/core/dev.c:5056:17: sparse: sparse: context imbalance in 'net_tx_action' - different lock contexts for basic block
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got unsigned int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *
>> net/core/dev.c:4348:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   net/core/dev.c:4348:9: sparse:     expected void *ptr
   net/core/dev.c:4348:9: sparse:     got int [noderef] __percpu *

vim +4348 net/core/dev.c

^1da177e4c3f41 Linus Torvalds            2005-04-16  4341  
eecfd7c4e36ff5 Eric Dumazet              2010-05-06  4342  /* Called with irq disabled */
eecfd7c4e36ff5 Eric Dumazet              2010-05-06  4343  static inline void ____napi_schedule(struct softnet_data *sd,
eecfd7c4e36ff5 Eric Dumazet              2010-05-06  4344  				     struct napi_struct *napi)
eecfd7c4e36ff5 Eric Dumazet              2010-05-06  4345  {
29863d41bb6e1d Wei Wang                  2021-02-08  4346  	struct task_struct *thread;
29863d41bb6e1d Wei Wang                  2021-02-08  4347  
fbd9a2ceba5c74 Sebastian Andrzej Siewior 2022-03-11 @4348  	lockdep_assert_irqs_disabled();
fbd9a2ceba5c74 Sebastian Andrzej Siewior 2022-03-11  4349  
29863d41bb6e1d Wei Wang                  2021-02-08  4350  	if (test_bit(NAPI_STATE_THREADED, &napi->state)) {
29863d41bb6e1d Wei Wang                  2021-02-08  4351  		/* Paired with smp_mb__before_atomic() in
5fdd2f0e5c6484 Wei Wang                  2021-02-08  4352  		 * napi_enable()/dev_set_threaded().
5fdd2f0e5c6484 Wei Wang                  2021-02-08  4353  		 * Use READ_ONCE() to guarantee a complete
5fdd2f0e5c6484 Wei Wang                  2021-02-08  4354  		 * read on napi->thread. Only call
29863d41bb6e1d Wei Wang                  2021-02-08  4355  		 * wake_up_process() when it's not NULL.
29863d41bb6e1d Wei Wang                  2021-02-08  4356  		 */
29863d41bb6e1d Wei Wang                  2021-02-08  4357  		thread = READ_ONCE(napi->thread);
29863d41bb6e1d Wei Wang                  2021-02-08  4358  		if (thread) {
cb038357937ee4 Wei Wang                  2021-03-16  4359  			/* Avoid doing set_bit() if the thread is in
cb038357937ee4 Wei Wang                  2021-03-16  4360  			 * INTERRUPTIBLE state, cause napi_thread_wait()
cb038357937ee4 Wei Wang                  2021-03-16  4361  			 * makes sure to proceed with napi polling
cb038357937ee4 Wei Wang                  2021-03-16  4362  			 * if the thread is explicitly woken from here.
cb038357937ee4 Wei Wang                  2021-03-16  4363  			 */
2f064a59a11ff9 Peter Zijlstra            2021-06-11  4364  			if (READ_ONCE(thread->__state) != TASK_INTERRUPTIBLE)
cb038357937ee4 Wei Wang                  2021-03-16  4365  				set_bit(NAPI_STATE_SCHED_THREADED, &napi->state);
29863d41bb6e1d Wei Wang                  2021-02-08  4366  			wake_up_process(thread);
29863d41bb6e1d Wei Wang                  2021-02-08  4367  			return;
29863d41bb6e1d Wei Wang                  2021-02-08  4368  		}
29863d41bb6e1d Wei Wang                  2021-02-08  4369  	}
29863d41bb6e1d Wei Wang                  2021-02-08  4370  
eecfd7c4e36ff5 Eric Dumazet              2010-05-06  4371  	list_add_tail(&napi->poll_list, &sd->poll_list);
eecfd7c4e36ff5 Eric Dumazet              2010-05-06  4372  	__raise_softirq_irqoff(NET_RX_SOFTIRQ);
eecfd7c4e36ff5 Eric Dumazet              2010-05-06  4373  }
eecfd7c4e36ff5 Eric Dumazet              2010-05-06  4374  

:::::: The code at line 4348 was first introduced by commit
:::::: fbd9a2ceba5c74bbfa19cf257ae4b4b2c820860d net: Add lockdep asserts to ____napi_schedule().

:::::: TO: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
:::::: CC: David S. Miller <davem@...emloft.net>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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