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From: kernel test robot <lkp@intel.com>
To: Qing Zhang <zhangqing@loongson.cn>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
	Huacai Chen <chenhuacai@kernel.org>
Subject: kernel/trace/trace.h:1338:13: sparse: sparse: incorrect type in argument 1 (different address spaces)
Date: Tue, 14 Feb 2023 21:18:03 +0800	[thread overview]
Message-ID: <202302142132.37Z1iUQa-lkp@intel.com> (raw)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f6feea56f66d34259c4222fa02e8171c4f2673d1
commit: 93a4fa622eb061f75f87f0cf9609ab4e69c67d01 LoongArch: Add STACKTRACE support
date:   6 months ago
config: loongarch-randconfig-s053-20230214 (https://download.01.org/0day-ci/archive/20230214/202302142132.37Z1iUQa-lkp@intel.com/config)
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=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch olddefconfig
        COMPILER_INSTALL_PATH=$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 drivers/media/usb/uvc/ kernel/trace/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302142132.37Z1iUQa-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   kernel/trace/trace_events_user.c:280:37: sparse: sparse: Using plain integer as NULL pointer
   kernel/trace/trace_events_user.c:461:38: sparse: sparse: Using plain integer as NULL pointer
   kernel/trace/trace_events_user.c:482:40: sparse: sparse: Using plain integer as NULL pointer
   kernel/trace/trace_events_user.c:1181:16: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/trace/trace_events_user.c:1181:16: sparse:    void [noderef] __rcu *
   kernel/trace/trace_events_user.c:1181:16: sparse:    void *
   kernel/trace/trace_events_user.c:1248:13: sparse: sparse: cast removes address space '__user' of expression
   kernel/trace/trace_events_user.c:1248:13: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __user *buf @@     got char * @@
   kernel/trace/trace_events_user.c:1248:13: sparse:     expected void [noderef] __user *buf
   kernel/trace/trace_events_user.c:1248:13: sparse:     got char *
   kernel/trace/trace_events_user.c:1264:16: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/trace/trace_events_user.c:1264:16: sparse:    void [noderef] __rcu *
   kernel/trace/trace_events_user.c:1264:16: sparse:    void *
   kernel/trace/trace_events_user.c:1291:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/trace/trace_events_user.c:1291:9: sparse:    void [noderef] __rcu *
   kernel/trace/trace_events_user.c:1291:9: sparse:    void *
   kernel/trace/trace_events_user.c: note: in included file:
>> kernel/trace/trace.h:1338:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got struct ring_buffer_event *[noderef] __percpu * @@
   kernel/trace/trace.h:1338:13: sparse:     expected void *ptr
   kernel/trace/trace.h:1338:13: sparse:     got struct ring_buffer_event *[noderef] __percpu *
>> kernel/trace/trace.h:1338:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got struct ring_buffer_event *[noderef] __percpu * @@
   kernel/trace/trace.h:1338:13: sparse:     expected void *ptr
   kernel/trace/trace.h:1338:13: sparse:     got struct ring_buffer_event *[noderef] __percpu *
>> kernel/trace/trace.h:1338:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got struct ring_buffer_event *[noderef] __percpu * @@
   kernel/trace/trace.h:1338:13: sparse:     expected void *ptr
   kernel/trace/trace.h:1338:13: sparse:     got struct ring_buffer_event *[noderef] __percpu *
>> kernel/trace/trace.h:1338:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got struct ring_buffer_event *[noderef] __percpu * @@
   kernel/trace/trace.h:1338:13: sparse:     expected void *ptr
   kernel/trace/trace.h:1338:13: sparse:     got struct ring_buffer_event *[noderef] __percpu *
--
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got unsigned int [noderef] __percpu *
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got unsigned int [noderef] __percpu *
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got unsigned int [noderef] __percpu *
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got unsigned int [noderef] __percpu *
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got int [noderef] __percpu *
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got int [noderef] __percpu *
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got int [noderef] __percpu *
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got unsigned int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got unsigned int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got unsigned int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got unsigned int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got int [noderef] __percpu *

vim +1338 kernel/trace/trace.h

0fc1b09ff1ff40 Steven Rostedt (Red Hat  2016-05-03  1333) 
0fc1b09ff1ff40 Steven Rostedt (Red Hat  2016-05-03  1334) static inline void
13292494379f92 Steven Rostedt (VMware   2019-12-13  1335) __trace_event_discard_commit(struct trace_buffer *buffer,
0fc1b09ff1ff40 Steven Rostedt (Red Hat  2016-05-03  1336) 			     struct ring_buffer_event *event)
0fc1b09ff1ff40 Steven Rostedt (Red Hat  2016-05-03  1337) {
0fc1b09ff1ff40 Steven Rostedt (Red Hat  2016-05-03 @1338) 	if (this_cpu_read(trace_buffered_event) == event) {
6c536d76cfe63b Steven Rostedt (VMware   2021-11-29  1339) 		/* Simply release the temp buffer and enable preemption */
0fc1b09ff1ff40 Steven Rostedt (Red Hat  2016-05-03  1340) 		this_cpu_dec(trace_buffered_event_cnt);
6c536d76cfe63b Steven Rostedt (VMware   2021-11-29  1341) 		preempt_enable_notrace();
0fc1b09ff1ff40 Steven Rostedt (Red Hat  2016-05-03  1342) 		return;
0fc1b09ff1ff40 Steven Rostedt (Red Hat  2016-05-03  1343) 	}
6c536d76cfe63b Steven Rostedt (VMware   2021-11-29  1344) 	/* ring_buffer_discard_commit() enables preemption */
0fc1b09ff1ff40 Steven Rostedt (Red Hat  2016-05-03  1345) 	ring_buffer_discard_commit(buffer, event);
0fc1b09ff1ff40 Steven Rostedt (Red Hat  2016-05-03  1346) }
0fc1b09ff1ff40 Steven Rostedt (Red Hat  2016-05-03  1347) 

:::::: The code at line 1338 was first introduced by commit
:::::: 0fc1b09ff1ff404ddf753f5ffa5cd0adc8fdcdc9 tracing: Use temp buffer when filtering events

:::::: TO: Steven Rostedt (Red Hat) <rostedt@goodmis.org>
:::::: CC: Steven Rostedt <rostedt@goodmis.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

             reply	other threads:[~2023-02-14 13:18 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-14 13:18 kernel test robot [this message]
  -- strict thread matches above, loose matches on Subject: below --
2022-12-06 18:27 kernel/trace/trace.h:1338:13: sparse: sparse: incorrect type in argument 1 (different address spaces) kernel test robot
2022-10-19  5:04 kernel test robot

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