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From: kernel test robot <lkp@intel.com>
To: "Jan, Kara," <jack@suse.cz>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
	Jens Axboe <axboe@kernel.dk>,
	Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>,
	Ming Lei <ming.lei@redhat.com>,
	Bart Van Assche <bvanassche@acm.org>
Subject: kernel/trace/blktrace.c:347:12: sparse: sparse: incorrect type in assignment (different address spaces)
Date: Wed, 3 Jun 2020 19:32:11 +0800	[thread overview]
Message-ID: <202006031903.CiDVFCgm%lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 7333 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d6f9469a03d832dcd17041ed67774ffb5f3e73b3
commit: c780e86dd48ef6467a1146cf7d0fe1e05a635039 blktrace: Protect q->blk_trace with RCU
date:   3 months ago
config: arc-randconfig-s031-20200603 (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-244-g0ee050a8-dirty
        git checkout c780e86dd48ef6467a1146cf7d0fe1e05a635039
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=arc CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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 >>)

>> kernel/trace/blktrace.c:347:12: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct blk_trace *bt @@     got struct blk_trace [noderef] <asn:4> *[assigned] old_val @@
   kernel/trace/blktrace.c:347:12: sparse:     expected struct blk_trace *bt
>> kernel/trace/blktrace.c:347:12: sparse:     got struct blk_trace [noderef] <asn:4> *[assigned] old_val
   kernel/trace/blktrace.c:770:5: sparse: sparse: symbol 'blk_trace_bio_get_cgid' was not declared. Should it be static?
   kernel/trace/blktrace.c:998:50: sparse: sparse: incorrect type in argument 7 (different base types) @@     expected int error @@     got restricted blk_status_t [usertype] bi_status @@
   kernel/trace/blktrace.c:998:50: sparse:     expected int error
   kernel/trace/blktrace.c:998:50: sparse:     got restricted blk_status_t [usertype] bi_status
   kernel/trace/blktrace.c:1036:68: sparse: sparse: incorrect type in argument 7 (different base types) @@     expected int error @@     got restricted blk_status_t [usertype] bi_status @@
   kernel/trace/blktrace.c:1036:68: sparse:     expected int error
   kernel/trace/blktrace.c:1036:68: sparse:     got restricted blk_status_t [usertype] bi_status
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1264:32: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned long long [usertype] sector_from @@     got restricted __be64 const [usertype] sector_from @@
   kernel/trace/blktrace.c:1264:32: sparse:     expected unsigned long long [usertype] sector_from
   kernel/trace/blktrace.c:1264:32: sparse:     got restricted __be64 const [usertype] sector_from
   kernel/trace/blktrace.c:1266:24: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __be32 [usertype] device_from @@     got unsigned int @@
   kernel/trace/blktrace.c:1266:24: sparse:     expected restricted __be32 [usertype] device_from
   kernel/trace/blktrace.c:1266:24: sparse:     got unsigned int
   kernel/trace/blktrace.c:1267:24: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __be32 [usertype] device_to @@     got unsigned int @@
   kernel/trace/blktrace.c:1267:24: sparse:     expected restricted __be32 [usertype] device_to
   kernel/trace/blktrace.c:1267:24: sparse:     got unsigned int
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:24: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __be64 [usertype] sector_from @@     got unsigned long long @@
   kernel/trace/blktrace.c:1268:24: sparse:     expected restricted __be64 [usertype] sector_from
   kernel/trace/blktrace.c:1268:24: sparse:     got unsigned long long
   kernel/trace/blktrace.c:1415:26: sparse: sparse: restricted __be32 degrades to integer
   kernel/trace/blktrace.c:1415:48: sparse: sparse: restricted __be32 degrades to integer
   kernel/trace/blktrace.c:1416:27: sparse: sparse: cast from restricted __be64
   kernel/trace/blktrace.c:1640:12: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct blk_trace *bt @@     got struct blk_trace [noderef] <asn:4> *[assigned] old_val @@
   kernel/trace/blktrace.c:1640:12: sparse:     expected struct blk_trace *bt
   kernel/trace/blktrace.c:1640:12: sparse:     got struct blk_trace [noderef] <asn:4> *[assigned] old_val

vim +347 kernel/trace/blktrace.c

2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  342  
1f2cac107c591c kernel/trace/blktrace.c Jens Axboe 2017-11-05  343  static int __blk_trace_remove(struct request_queue *q)
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  344  {
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  345  	struct blk_trace *bt;
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  346  
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23 @347  	bt = xchg(&q->blk_trace, NULL);
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  348  	if (!bt)
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  349  		return -EINVAL;
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  350  
5554720482a631 kernel/trace/blktrace.c Li Zefan   2009-03-25  351  	if (bt->trace_state != Blktrace_running)
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  352  		blk_trace_cleanup(bt);
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  353  
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  354  	return 0;
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  355  }
1f2cac107c591c kernel/trace/blktrace.c Jens Axboe 2017-11-05  356  

:::::: The code at line 347 was first introduced by commit
:::::: 2056a782f8e7e65fd4bfd027506b4ce1c5e9ccd4 [PATCH] Block queue IO tracing support (blktrace) as of 2006-03-23

:::::: TO: Jens Axboe <axboe@suse.de>
:::::: CC: Jens Axboe <axboe@suse.de>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: kernel/trace/blktrace.c:347:12: sparse: sparse: incorrect type in assignment (different address spaces)
Date: Wed, 03 Jun 2020 19:32:11 +0800	[thread overview]
Message-ID: <202006031903.CiDVFCgm%lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 7430 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d6f9469a03d832dcd17041ed67774ffb5f3e73b3
commit: c780e86dd48ef6467a1146cf7d0fe1e05a635039 blktrace: Protect q->blk_trace with RCU
date:   3 months ago
config: arc-randconfig-s031-20200603 (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-244-g0ee050a8-dirty
        git checkout c780e86dd48ef6467a1146cf7d0fe1e05a635039
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=arc CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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 >>)

>> kernel/trace/blktrace.c:347:12: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct blk_trace *bt @@     got struct blk_trace [noderef] <asn:4> *[assigned] old_val @@
   kernel/trace/blktrace.c:347:12: sparse:     expected struct blk_trace *bt
>> kernel/trace/blktrace.c:347:12: sparse:     got struct blk_trace [noderef] <asn:4> *[assigned] old_val
   kernel/trace/blktrace.c:770:5: sparse: sparse: symbol 'blk_trace_bio_get_cgid' was not declared. Should it be static?
   kernel/trace/blktrace.c:998:50: sparse: sparse: incorrect type in argument 7 (different base types) @@     expected int error @@     got restricted blk_status_t [usertype] bi_status @@
   kernel/trace/blktrace.c:998:50: sparse:     expected int error
   kernel/trace/blktrace.c:998:50: sparse:     got restricted blk_status_t [usertype] bi_status
   kernel/trace/blktrace.c:1036:68: sparse: sparse: incorrect type in argument 7 (different base types) @@     expected int error @@     got restricted blk_status_t [usertype] bi_status @@
   kernel/trace/blktrace.c:1036:68: sparse:     expected int error
   kernel/trace/blktrace.c:1036:68: sparse:     got restricted blk_status_t [usertype] bi_status
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1257:16: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1264:32: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned long long [usertype] sector_from @@     got restricted __be64 const [usertype] sector_from @@
   kernel/trace/blktrace.c:1264:32: sparse:     expected unsigned long long [usertype] sector_from
   kernel/trace/blktrace.c:1264:32: sparse:     got restricted __be64 const [usertype] sector_from
   kernel/trace/blktrace.c:1266:24: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __be32 [usertype] device_from @@     got unsigned int @@
   kernel/trace/blktrace.c:1266:24: sparse:     expected restricted __be32 [usertype] device_from
   kernel/trace/blktrace.c:1266:24: sparse:     got unsigned int
   kernel/trace/blktrace.c:1267:24: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __be32 [usertype] device_to @@     got unsigned int @@
   kernel/trace/blktrace.c:1267:24: sparse:     expected restricted __be32 [usertype] device_to
   kernel/trace/blktrace.c:1267:24: sparse:     got unsigned int
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:26: sparse: sparse: cast to restricted __be64
   kernel/trace/blktrace.c:1268:24: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __be64 [usertype] sector_from @@     got unsigned long long @@
   kernel/trace/blktrace.c:1268:24: sparse:     expected restricted __be64 [usertype] sector_from
   kernel/trace/blktrace.c:1268:24: sparse:     got unsigned long long
   kernel/trace/blktrace.c:1415:26: sparse: sparse: restricted __be32 degrades to integer
   kernel/trace/blktrace.c:1415:48: sparse: sparse: restricted __be32 degrades to integer
   kernel/trace/blktrace.c:1416:27: sparse: sparse: cast from restricted __be64
   kernel/trace/blktrace.c:1640:12: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct blk_trace *bt @@     got struct blk_trace [noderef] <asn:4> *[assigned] old_val @@
   kernel/trace/blktrace.c:1640:12: sparse:     expected struct blk_trace *bt
   kernel/trace/blktrace.c:1640:12: sparse:     got struct blk_trace [noderef] <asn:4> *[assigned] old_val

vim +347 kernel/trace/blktrace.c

2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  342  
1f2cac107c591c kernel/trace/blktrace.c Jens Axboe 2017-11-05  343  static int __blk_trace_remove(struct request_queue *q)
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  344  {
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  345  	struct blk_trace *bt;
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  346  
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23 @347  	bt = xchg(&q->blk_trace, NULL);
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  348  	if (!bt)
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  349  		return -EINVAL;
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  350  
5554720482a631 kernel/trace/blktrace.c Li Zefan   2009-03-25  351  	if (bt->trace_state != Blktrace_running)
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  352  		blk_trace_cleanup(bt);
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  353  
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  354  	return 0;
2056a782f8e7e6 block/blktrace.c        Jens Axboe 2006-03-23  355  }
1f2cac107c591c kernel/trace/blktrace.c Jens Axboe 2017-11-05  356  

:::::: The code at line 347 was first introduced by commit
:::::: 2056a782f8e7e65fd4bfd027506b4ce1c5e9ccd4 [PATCH] Block queue IO tracing support (blktrace) as of 2006-03-23

:::::: TO: Jens Axboe <axboe@suse.de>
:::::: CC: Jens Axboe <axboe@suse.de>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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             reply	other threads:[~2020-06-03 11:37 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-03 11:32 kernel test robot [this message]
2020-06-03 11:32 ` kernel/trace/blktrace.c:347:12: sparse: sparse: incorrect type in assignment (different address spaces) kernel test robot
2020-06-03 22:34 ` Chaitanya Kulkarni
2020-06-04  2:30   ` Jens Axboe
2020-06-04  7:17     ` Chaitanya Kulkarni
  -- strict thread matches above, loose matches on Subject: below --
2020-05-28  7:48 kbuild test robot
2020-05-28  7:48 ` kbuild test robot

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