tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   591cd61541b9b95401e17dca24be486e32104cb8
commit: 60f07e22a73d318cddaafa5ef41a10476807cc07 [12323/14039] arm64:uprobe fix the uprobe SWBP_INSN in big-endian
config: arm64-randconfig-s051-20221207
compiler: aarch64-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/next/linux-next.git/commit/?id=60f07e22a73d318cddaafa5ef41a10476807cc07
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 60f07e22a73d318cddaafa5ef41a10476807cc07
        # 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=arm64 SHELL=/bin/bash kernel/events/

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

sparse warnings: (new ones prefixed by >>)
>> kernel/events/uprobes.c:223:25: sparse: sparse: restricted __le32 degrades to integer
>> kernel/events/uprobes.c:574:56: sparse: sparse: incorrect type in argument 4 (different base types) @@     expected unsigned int [addressable] [usertype] opcode @@     got restricted __le32 [usertype] @@
   kernel/events/uprobes.c:574:56: sparse:     expected unsigned int [addressable] [usertype] opcode
   kernel/events/uprobes.c:574:56: sparse:     got restricted __le32 [usertype]
>> kernel/events/uprobes.c:1483:32: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned int [usertype] insn @@     got restricted __le32 [usertype] @@
   kernel/events/uprobes.c:1483:32: sparse:     expected unsigned int [usertype] insn
   kernel/events/uprobes.c:1483:32: sparse:     got restricted __le32 [usertype]
   kernel/events/uprobes.c:1975:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/events/uprobes.c:1975:33: sparse:     expected struct spinlock [usertype] *lock
   kernel/events/uprobes.c:1975:33: sparse:     got struct spinlock [noderef] __rcu *
   kernel/events/uprobes.c:1977:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/events/uprobes.c:1977:35: sparse:     expected struct spinlock [usertype] *lock
   kernel/events/uprobes.c:1977:35: sparse:     got struct spinlock [noderef] __rcu *
   kernel/events/uprobes.c:2278:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/events/uprobes.c:2278:31: sparse:     expected struct spinlock [usertype] *lock
   kernel/events/uprobes.c:2278:31: sparse:     got struct spinlock [noderef] __rcu *
   kernel/events/uprobes.c:2280:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct spinlock [usertype] *lock @@     got struct spinlock [noderef] __rcu * @@
   kernel/events/uprobes.c:2280:33: sparse:     expected struct spinlock [usertype] *lock
   kernel/events/uprobes.c:2280:33: sparse:     got struct spinlock [noderef] __rcu *
   kernel/events/uprobes.c: note: in included file:
   include/linux/rmap.h:410:28: sparse: sparse: context imbalance in '__replace_page' - unexpected unlock
   kernel/events/uprobes.c: note: in included file (through include/linux/irqflags.h, include/linux/spinlock.h, include/linux/wait.h, ...):
   arch/arm64/include/asm/percpu.h:127:1: sparse: sparse: cast truncates bits from constant value (ffffffff becomes ff)
   arch/arm64/include/asm/percpu.h:127:1: sparse: sparse: cast truncates bits from constant value (ffffffff becomes ffff)
   arch/arm64/include/asm/percpu.h:127:1: sparse: sparse: cast truncates bits from constant value (ffffffff becomes ff)
   arch/arm64/include/asm/percpu.h:127:1: sparse: sparse: cast truncates bits from constant value (ffffffff becomes ffff)

vim +223 kernel/events/uprobes.c

2b144498350860 kernel/uprobes.c        Srikar Dronamraju 2012-02-09  214  
2b144498350860 kernel/uprobes.c        Srikar Dronamraju 2012-02-09  215  /**
5cb4ac3a583d4e kernel/events/uprobes.c Srikar Dronamraju 2012-03-12  216   * is_swbp_insn - check if instruction is breakpoint instruction.
2b144498350860 kernel/uprobes.c        Srikar Dronamraju 2012-02-09  217   * @insn: instruction to be checked.
5cb4ac3a583d4e kernel/events/uprobes.c Srikar Dronamraju 2012-03-12  218   * Default implementation of is_swbp_insn
2b144498350860 kernel/uprobes.c        Srikar Dronamraju 2012-02-09  219   * Returns true if @insn is a breakpoint instruction.
2b144498350860 kernel/uprobes.c        Srikar Dronamraju 2012-02-09  220   */
5cb4ac3a583d4e kernel/events/uprobes.c Srikar Dronamraju 2012-03-12  221  bool __weak is_swbp_insn(uprobe_opcode_t *insn)
2b144498350860 kernel/uprobes.c        Srikar Dronamraju 2012-02-09  222  {
5cb4ac3a583d4e kernel/events/uprobes.c Srikar Dronamraju 2012-03-12 @223  	return *insn == UPROBE_SWBP_INSN;
2b144498350860 kernel/uprobes.c        Srikar Dronamraju 2012-02-09  224  }
2b144498350860 kernel/uprobes.c        Srikar Dronamraju 2012-02-09  225  

:::::: The code at line 223 was first introduced by commit
:::::: 5cb4ac3a583d4ee18c8682ab857e093c4a0d0895 uprobes/core: Rename bkpt to swbp

:::::: TO: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>

-- 
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