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From: kernel test robot <lkp@intel.com>
To: Alexander Potapenko <glider@google.com>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Alexei Starovoitov <ast@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux Memory Management List <linux-mm@kvack.org>,
	Andrey Konovalov <andreyknvl@google.com>,
	Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
	Borislav Petkov <bp@alien8.de>, Christoph Hellwig <hch@lst.de>,
	Christoph Lameter <cl@linux-foundation.org>,
	David Rientjes <rientjes@google.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Eric Dumazet <edumazet@google.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Ilya Leoshkevich <iii@linux.ibm.com>,
	Ingo Molnar <mingo@redhat.com>, Jens Axboe <axboe@kernel.dk>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Kees Cook <keescook@chromium.org>, Marco Elver <elver@google.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Matthew Wilcox <willy@infradead.org>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Pekka Enberg <penberg@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Petr Mladek <pmladek@suse.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v4 04/45] x86: asm: instrument usercopy in get_user() and __put_user_size()
Date: Sat, 2 Jul 2022 18:45:43 +0800	[thread overview]
Message-ID: <202207021844.0J4s1Gjz-lkp@intel.com> (raw)
In-Reply-To: <20220701142310.2188015-5-glider@google.com>

Hi Alexander,

I love your patch! Yet something to improve:

[auto build test ERROR on masahiroy-kbuild/for-next]
[also build test ERROR on linus/master v5.19-rc4 next-20220701]
[cannot apply to tip/x86/core tip/x86/mm]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/Alexander-Potapenko/Add-KernelMemorySanitizer-infrastructure/20220701-222712
base:   https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next
config: i386-randconfig-a011 (https://download.01.org/0day-ci/archive/20220702/202207021844.0J4s1Gjz-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a9119143a2d1f4d0d0bc1fe0d819e5351b4e0deb)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/0ca0e4029535365a65588446ba55a952ca186079
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Alexander-Potapenko/Add-KernelMemorySanitizer-infrastructure/20220701-222712
        git checkout 0ca0e4029535365a65588446ba55a952ca186079
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

>> arch/x86/math-emu/reg_ld_str.c:1043:3: error: address of bit-field requested
                   FPU_get_user(instruction_address.selector,
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/math-emu/fpu_system.h:127:36: note: expanded from macro 'FPU_get_user'
   #define FPU_get_user(x,y) do { if (get_user((x),(y))) FPU_abort; } while (0)
                                  ~~~~^~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/uaccess.h:131:43: note: expanded from macro 'get_user'
   #define get_user(x,ptr) ({ might_fault(); do_get_user_call(get_user,x,ptr); })
                                             ^
   arch/x86/include/asm/uaccess.h:103:43: note: expanded from macro 'do_get_user_call'
           instrument_copy_from_user_before((void *)&(x), ptr, sizeof(*(ptr))); \
                                                    ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
                                                      ^~~~
>> arch/x86/math-emu/reg_ld_str.c:1043:3: error: address of bit-field requested
                   FPU_get_user(instruction_address.selector,
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/math-emu/fpu_system.h:127:36: note: expanded from macro 'FPU_get_user'
   #define FPU_get_user(x,y) do { if (get_user((x),(y))) FPU_abort; } while (0)
                                  ~~~~^~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/uaccess.h:131:43: note: expanded from macro 'get_user'
   #define get_user(x,ptr) ({ might_fault(); do_get_user_call(get_user,x,ptr); })
                                             ^
   arch/x86/include/asm/uaccess.h:109:42: note: expanded from macro 'do_get_user_call'
           instrument_copy_from_user_after((void *)&(x), ptr, sizeof(*(ptr)), 0); \
                                                   ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
                                                      ^~~~
>> arch/x86/math-emu/reg_ld_str.c:1043:3: error: address of bit-field requested
                   FPU_get_user(instruction_address.selector,
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/math-emu/fpu_system.h:127:36: note: expanded from macro 'FPU_get_user'
   #define FPU_get_user(x,y) do { if (get_user((x),(y))) FPU_abort; } while (0)
                                  ~~~~^~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/uaccess.h:131:43: note: expanded from macro 'get_user'
   #define get_user(x,ptr) ({ might_fault(); do_get_user_call(get_user,x,ptr); })
                                             ^
   arch/x86/include/asm/uaccess.h:103:43: note: expanded from macro 'do_get_user_call'
           instrument_copy_from_user_before((void *)&(x), ptr, sizeof(*(ptr))); \
                                                    ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
                                                               ^~~~
>> arch/x86/math-emu/reg_ld_str.c:1043:3: error: address of bit-field requested
                   FPU_get_user(instruction_address.selector,
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/math-emu/fpu_system.h:127:36: note: expanded from macro 'FPU_get_user'
   #define FPU_get_user(x,y) do { if (get_user((x),(y))) FPU_abort; } while (0)
                                  ~~~~^~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/uaccess.h:131:43: note: expanded from macro 'get_user'
   #define get_user(x,ptr) ({ might_fault(); do_get_user_call(get_user,x,ptr); })
                                             ^
   arch/x86/include/asm/uaccess.h:109:42: note: expanded from macro 'do_get_user_call'
           instrument_copy_from_user_after((void *)&(x), ptr, sizeof(*(ptr)), 0); \
                                                   ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
                                                               ^~~~
>> arch/x86/math-emu/reg_ld_str.c:1043:3: error: address of bit-field requested
                   FPU_get_user(instruction_address.selector,
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/math-emu/fpu_system.h:127:36: note: expanded from macro 'FPU_get_user'
   #define FPU_get_user(x,y) do { if (get_user((x),(y))) FPU_abort; } while (0)
                                  ~~~~^~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/uaccess.h:131:43: note: expanded from macro 'get_user'
   #define get_user(x,ptr) ({ might_fault(); do_get_user_call(get_user,x,ptr); })
                                             ^
   arch/x86/include/asm/uaccess.h:103:43: note: expanded from macro 'do_get_user_call'
           instrument_copy_from_user_before((void *)&(x), ptr, sizeof(*(ptr))); \
                                                    ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
                                                                       ~~~~~~~~~~~~~~~~~^~~~~
   include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value'
           (cond) ?                                        \
            ^~~~
>> arch/x86/math-emu/reg_ld_str.c:1043:3: error: address of bit-field requested
                   FPU_get_user(instruction_address.selector,
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/math-emu/fpu_system.h:127:36: note: expanded from macro 'FPU_get_user'
   #define FPU_get_user(x,y) do { if (get_user((x),(y))) FPU_abort; } while (0)
                                  ~~~~^~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/uaccess.h:131:43: note: expanded from macro 'get_user'
   #define get_user(x,ptr) ({ might_fault(); do_get_user_call(get_user,x,ptr); })
                                             ^
   arch/x86/include/asm/uaccess.h:109:42: note: expanded from macro 'do_get_user_call'
           instrument_copy_from_user_after((void *)&(x), ptr, sizeof(*(ptr)), 0); \
                                                   ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
                                                                       ~~~~~~~~~~~~~~~~~^~~~~
   include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value'
           (cond) ?                                        \
            ^~~~
   arch/x86/math-emu/reg_ld_str.c:1047:3: error: address of bit-field requested
                   FPU_get_user(operand_address.selector,
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/math-emu/fpu_system.h:127:36: note: expanded from macro 'FPU_get_user'
   #define FPU_get_user(x,y) do { if (get_user((x),(y))) FPU_abort; } while (0)
                                  ~~~~^~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/uaccess.h:131:43: note: expanded from macro 'get_user'
   #define get_user(x,ptr) ({ might_fault(); do_get_user_call(get_user,x,ptr); })
                                             ^
   arch/x86/include/asm/uaccess.h:103:43: note: expanded from macro 'do_get_user_call'
           instrument_copy_from_user_before((void *)&(x), ptr, sizeof(*(ptr))); \
                                                    ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
                                                      ^~~~
   arch/x86/math-emu/reg_ld_str.c:1047:3: error: address of bit-field requested
                   FPU_get_user(operand_address.selector,
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/math-emu/fpu_system.h:127:36: note: expanded from macro 'FPU_get_user'
   #define FPU_get_user(x,y) do { if (get_user((x),(y))) FPU_abort; } while (0)
                                  ~~~~^~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/uaccess.h:131:43: note: expanded from macro 'get_user'
   #define get_user(x,ptr) ({ might_fault(); do_get_user_call(get_user,x,ptr); })
                                             ^
   arch/x86/include/asm/uaccess.h:109:42: note: expanded from macro 'do_get_user_call'
           instrument_copy_from_user_after((void *)&(x), ptr, sizeof(*(ptr)), 0); \
                                                   ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
                                                      ^~~~
   arch/x86/math-emu/reg_ld_str.c:1047:3: error: address of bit-field requested
                   FPU_get_user(operand_address.selector,
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/math-emu/fpu_system.h:127:36: note: expanded from macro 'FPU_get_user'
   #define FPU_get_user(x,y) do { if (get_user((x),(y))) FPU_abort; } while (0)
                                  ~~~~^~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/uaccess.h:131:43: note: expanded from macro 'get_user'
   #define get_user(x,ptr) ({ might_fault(); do_get_user_call(get_user,x,ptr); })
                                             ^
   arch/x86/include/asm/uaccess.h:103:43: note: expanded from macro 'do_get_user_call'
           instrument_copy_from_user_before((void *)&(x), ptr, sizeof(*(ptr))); \
                                                    ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
                                                               ^~~~
   arch/x86/math-emu/reg_ld_str.c:1047:3: error: address of bit-field requested
                   FPU_get_user(operand_address.selector,
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/math-emu/fpu_system.h:127:36: note: expanded from macro 'FPU_get_user'
   #define FPU_get_user(x,y) do { if (get_user((x),(y))) FPU_abort; } while (0)
                                  ~~~~^~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/uaccess.h:131:43: note: expanded from macro 'get_user'
   #define get_user(x,ptr) ({ might_fault(); do_get_user_call(get_user,x,ptr); })
                                             ^
   arch/x86/include/asm/uaccess.h:109:42: note: expanded from macro 'do_get_user_call'
           instrument_copy_from_user_after((void *)&(x), ptr, sizeof(*(ptr)), 0); \
                                                   ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
                                                               ^~~~
   arch/x86/math-emu/reg_ld_str.c:1047:3: error: address of bit-field requested
                   FPU_get_user(operand_address.selector,
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/math-emu/fpu_system.h:127:36: note: expanded from macro 'FPU_get_user'
   #define FPU_get_user(x,y) do { if (get_user((x),(y))) FPU_abort; } while (0)
                                  ~~~~^~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/uaccess.h:131:43: note: expanded from macro 'get_user'
   #define get_user(x,ptr) ({ might_fault(); do_get_user_call(get_user,x,ptr); })


vim +1043 arch/x86/math-emu/reg_ld_str.c

^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1026  
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1027  u_char __user *fldenv(fpu_addr_modes addr_modes, u_char __user *s)
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1028  {
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1029  	unsigned short tag_word = 0;
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1030  	u_char tag;
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1031  	int i;
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1032  
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1033  	if ((addr_modes.default_mode == VM86) ||
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1034  	    ((addr_modes.default_mode == PM16)
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1035  	     ^ (addr_modes.override.operand_size == OP_SIZE_PREFIX))) {
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1036  		RE_ENTRANT_CHECK_OFF;
96d4f267e40f950 arch/x86/math-emu/reg_ld_str.c  Linus Torvalds 2019-01-03  1037  		FPU_access_ok(s, 0x0e);
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1038  		FPU_get_user(control_word, (unsigned short __user *)s);
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1039  		FPU_get_user(partial_status, (unsigned short __user *)(s + 2));
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1040  		FPU_get_user(tag_word, (unsigned short __user *)(s + 4));
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1041  		FPU_get_user(instruction_address.offset,
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1042  			     (unsigned short __user *)(s + 6));
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30 @1043  		FPU_get_user(instruction_address.selector,
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1044  			     (unsigned short __user *)(s + 8));
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1045  		FPU_get_user(operand_address.offset,
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1046  			     (unsigned short __user *)(s + 0x0a));
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1047  		FPU_get_user(operand_address.selector,
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1048  			     (unsigned short __user *)(s + 0x0c));
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1049  		RE_ENTRANT_CHECK_ON;
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1050  		s += 0x0e;
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1051  		if (addr_modes.default_mode == VM86) {
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1052  			instruction_address.offset
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1053  			    += (instruction_address.selector & 0xf000) << 4;
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1054  			operand_address.offset +=
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1055  			    (operand_address.selector & 0xf000) << 4;
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1056  		}
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1057  	} else {
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1058  		RE_ENTRANT_CHECK_OFF;
96d4f267e40f950 arch/x86/math-emu/reg_ld_str.c  Linus Torvalds 2019-01-03  1059  		FPU_access_ok(s, 0x1c);
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1060  		FPU_get_user(control_word, (unsigned short __user *)s);
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1061  		FPU_get_user(partial_status, (unsigned short __user *)(s + 4));
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1062  		FPU_get_user(tag_word, (unsigned short __user *)(s + 8));
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1063  		FPU_get_user(instruction_address.offset,
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1064  			     (unsigned long __user *)(s + 0x0c));
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1065  		FPU_get_user(instruction_address.selector,
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1066  			     (unsigned short __user *)(s + 0x10));
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1067  		FPU_get_user(instruction_address.opcode,
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1068  			     (unsigned short __user *)(s + 0x12));
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1069  		FPU_get_user(operand_address.offset,
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1070  			     (unsigned long __user *)(s + 0x14));
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1071  		FPU_get_user(operand_address.selector,
3d0d14f983b55a5 arch/x86/math-emu/reg_ld_str.c  Ingo Molnar    2008-01-30  1072  			     (unsigned long __user *)(s + 0x18));
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1073  		RE_ENTRANT_CHECK_ON;
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1074  		s += 0x1c;
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1075  	}
^1da177e4c3f415 arch/i386/math-emu/reg_ld_str.c Linus Torvalds 2005-04-16  1076  

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

  parent reply	other threads:[~2022-07-02 10:45 UTC|newest]

Thread overview: 147+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-01 14:22 [PATCH v4 00/45] Add KernelMemorySanitizer infrastructure Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 01/45] x86: add missing include to sparsemem.h Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 02/45] stackdepot: reserve 5 extra bits in depot_stack_handle_t Alexander Potapenko
2022-07-12 14:17   ` Marco Elver
2022-07-01 14:22 ` [PATCH v4 03/45] instrumented.h: allow instrumenting both sides of copy_from_user() Alexander Potapenko
2022-07-12 14:17   ` Marco Elver
2022-07-01 14:22 ` [PATCH v4 04/45] x86: asm: instrument usercopy in get_user() and __put_user_size() Alexander Potapenko
2022-07-02  3:47   ` kernel test robot
2022-07-15 14:03     ` Alexander Potapenko
2022-07-15 14:03       ` Alexander Potapenko
2022-07-02 10:45   ` kernel test robot [this message]
2022-07-15 16:44     ` Alexander Potapenko
2022-07-15 16:44       ` Alexander Potapenko
2022-07-02 13:09   ` kernel test robot
2022-07-07 10:13   ` Marco Elver
2022-08-07 17:33     ` Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 05/45] asm-generic: instrument usercopy in cacheflush.h Alexander Potapenko
2022-07-12 14:17   ` Marco Elver
2022-07-01 14:22 ` [PATCH v4 06/45] kmsan: add ReST documentation Alexander Potapenko
2022-07-07 12:34   ` Marco Elver
2022-07-15  7:42     ` Alexander Potapenko
2022-07-15  8:52       ` Marco Elver
2022-07-01 14:22 ` [PATCH v4 07/45] kmsan: introduce __no_sanitize_memory and __no_kmsan_checks Alexander Potapenko
2022-07-12 14:17   ` Marco Elver
2022-07-01 14:22 ` [PATCH v4 08/45] kmsan: mark noinstr as __no_sanitize_memory Alexander Potapenko
2022-07-12 14:17   ` Marco Elver
2022-07-01 14:22 ` [PATCH v4 09/45] x86: kmsan: pgtable: reduce vmalloc space Alexander Potapenko
2022-07-11 16:12   ` Marco Elver
2022-07-01 14:22 ` [PATCH v4 10/45] libnvdimm/pfn_dev: increase MAX_STRUCT_PAGE_SIZE Alexander Potapenko
2022-07-11 16:26   ` Marco Elver
2022-08-03  9:41     ` Alexander Potapenko
2022-08-03  9:44     ` Alexander Potapenko
2023-01-05 22:08       ` Dan Williams
2023-01-09  9:51         ` Alexander Potapenko
2023-01-09 22:06           ` Dan Williams
2023-01-10  5:56             ` Greg Kroah-Hartman
2023-01-10  6:55               ` Dan Williams
2023-01-10  8:48                 ` Alexander Potapenko
2023-01-10  8:52                   ` Alexander Potapenko
2023-01-10  8:53                   ` Eric Dumazet
2023-01-10  8:55                     ` Christoph Hellwig
2023-01-10 15:35                       ` Steven Rostedt
2023-01-10  9:14                     ` Alexander Potapenko
2023-01-30  8:34         ` Alexander Potapenko
2023-01-30 18:57           ` Dan Williams
2022-07-01 14:22 ` [PATCH v4 11/45] kmsan: add KMSAN runtime core Alexander Potapenko
2022-07-02  0:18   ` Hillf Danton
2022-08-03 17:25     ` Alexander Potapenko
2022-07-11 16:49   ` Marco Elver
2022-08-03 18:14     ` Alexander Potapenko
2022-07-13 10:04   ` Marco Elver
2022-08-03 17:45     ` Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 12/45] kmsan: disable instrumentation of unsupported common kernel code Alexander Potapenko
2022-07-12 11:54   ` Marco Elver
2022-07-01 14:22 ` [PATCH v4 13/45] MAINTAINERS: add entry for KMSAN Alexander Potapenko
2022-07-12 12:06   ` Marco Elver
2022-08-02 16:39     ` Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 14/45] mm: kmsan: maintain KMSAN metadata for page operations Alexander Potapenko
2022-07-12 12:20   ` Marco Elver
2022-08-03 10:30     ` Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 15/45] mm: kmsan: call KMSAN hooks from SLUB code Alexander Potapenko
2022-07-12 13:13   ` Marco Elver
2022-08-02 16:31     ` Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 16/45] kmsan: handle task creation and exiting Alexander Potapenko
2022-07-12 13:17   ` Marco Elver
2022-08-02 15:47     ` Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 17/45] init: kmsan: call KMSAN initialization routines Alexander Potapenko
2022-07-12 14:05   ` Marco Elver
2022-08-02 20:07     ` Alexander Potapenko
2022-08-03  9:08       ` Marco Elver
2022-07-01 14:22 ` [PATCH v4 18/45] instrumented.h: add KMSAN support Alexander Potapenko
2022-07-12 13:51   ` Marco Elver
2022-08-03 11:17     ` Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 19/45] kmsan: unpoison @tlb in arch_tlb_gather_mmu() Alexander Potapenko
2022-07-13  9:28   ` Marco Elver
2022-07-01 14:22 ` [PATCH v4 20/45] kmsan: add iomap support Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 21/45] Input: libps2: mark data received in __ps2_command() as initialized Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 22/45] dma: kmsan: unpoison DMA mappings Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 23/45] virtio: kmsan: check/unpoison scatterlist in vring_map_one_sg() Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 24/45] kmsan: handle memory sent to/from USB Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 25/45] kmsan: add tests for KMSAN Alexander Potapenko
2022-07-12 14:16   ` Marco Elver
2022-08-02 17:29     ` Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 26/45] kmsan: disable strscpy() optimization under KMSAN Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 27/45] crypto: kmsan: disable accelerated configs " Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 28/45] kmsan: disable physical page merging in biovec Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 29/45] block: kmsan: skip bio block merging logic for KMSAN Alexander Potapenko
2022-07-13 10:22   ` Marco Elver
2022-08-02 17:47     ` Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 30/45] kcov: kmsan: unpoison area->list in kcov_remote_area_put() Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 31/45] security: kmsan: fix interoperability with auto-initialization Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 32/45] objtool: kmsan: list KMSAN API functions as uaccess-safe Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 33/45] x86: kmsan: disable instrumentation of unsupported code Alexander Potapenko
2022-07-12 13:43   ` Marco Elver
2022-08-03 10:52     ` Alexander Potapenko
2022-07-01 14:22 ` [PATCH v4 34/45] x86: kmsan: skip shadow checks in __switch_to() Alexander Potapenko
2022-07-01 14:23 ` [PATCH v4 35/45] x86: kmsan: handle open-coded assembly in lib/iomem.c Alexander Potapenko
2022-07-01 14:23 ` [PATCH v4 36/45] x86: kmsan: use __msan_ string functions where possible Alexander Potapenko
2022-07-01 14:23 ` [PATCH v4 37/45] x86: kmsan: sync metadata pages on page fault Alexander Potapenko
2022-07-01 14:23 ` [PATCH v4 38/45] x86: kasan: kmsan: support CONFIG_GENERIC_CSUM on x86, enable it for KASAN/KMSAN Alexander Potapenko
2022-07-01 14:23 ` [PATCH v4 39/45] x86: fs: kmsan: disable CONFIG_DCACHE_WORD_ACCESS Alexander Potapenko
2022-07-01 14:23 ` [PATCH v4 40/45] x86: kmsan: don't instrument stack walking functions Alexander Potapenko
2022-07-01 14:23 ` [PATCH v4 41/45] entry: kmsan: introduce kmsan_unpoison_entry_regs() Alexander Potapenko
2022-07-01 14:23 ` [PATCH v4 42/45] bpf: kmsan: initialize BPF registers with zeroes Alexander Potapenko
2022-07-01 14:23 ` [PATCH v4 43/45] namei: initialize parameters passed to step_into() Alexander Potapenko
2022-07-02 17:23   ` Linus Torvalds
2022-07-03  3:59     ` Al Viro
2022-07-04  2:52     ` Al Viro
2022-07-04  8:20       ` Alexander Potapenko
2022-07-04 13:44         ` Al Viro
2022-07-04 13:55           ` Al Viro
2022-07-04 15:49           ` Alexander Potapenko
2022-07-04 16:03             ` Greg Kroah-Hartman
2022-07-04 16:33               ` Alexander Potapenko
2022-07-04 18:23             ` Segher Boessenkool
2022-07-04 16:00           ` Al Viro
2022-07-04 16:47             ` Alexander Potapenko
2022-07-04 17:36       ` Linus Torvalds
2022-07-04 19:02         ` Al Viro
2022-07-04 19:16           ` Linus Torvalds
2022-07-04 19:55             ` Al Viro
2022-07-04 20:24               ` Linus Torvalds
2022-07-04 20:46                 ` Al Viro
2022-07-04 20:51                   ` Linus Torvalds
2022-07-04 21:04                     ` Al Viro
2022-07-04 23:13                       ` [PATCH 1/7] __follow_mount_rcu(): verify that mount_lock remains unchanged Al Viro
2022-07-04 23:14                         ` [PATCH 2/7] follow_dotdot{,_rcu}(): change calling conventions Al Viro
2022-07-04 23:14                         ` [PATCH 3/7] namei: stash the sampled ->d_seq into nameidata Al Viro
2022-07-04 23:15                         ` [PATCH 4/7] step_into(): lose inode argument Al Viro
2022-07-04 23:15                         ` [PATCH 5/7] follow_dotdot{,_rcu}(): don't bother with inode Al Viro
2022-07-04 23:16                         ` [PATCH 6/7] lookup_fast(): " Al Viro
2022-07-04 23:17                         ` [PATCH 7/7] step_into(): move fetching ->d_inode past handle_mounts() Al Viro
2022-07-04 23:19                         ` [PATCH 1/7] __follow_mount_rcu(): verify that mount_lock remains unchanged Al Viro
2022-07-05  0:06                           ` Linus Torvalds
2022-07-05  3:48                             ` Al Viro
2022-07-04 20:47                 ` [PATCH v4 43/45] namei: initialize parameters passed to step_into() Linus Torvalds
2022-08-08 16:37   ` Alexander Potapenko
2022-07-01 14:23 ` [PATCH v4 44/45] mm: fs: initialize fsdata passed to write_begin/write_end interface Alexander Potapenko
2022-07-04 20:07   ` Matthew Wilcox
2022-07-04 20:30     ` Al Viro
2022-08-25 15:39     ` Alexander Potapenko
2022-08-25 16:33       ` Linus Torvalds
2022-08-25 21:57         ` Segher Boessenkool
2022-08-26 19:41           ` Linus Torvalds
2022-08-31 13:32             ` Alexander Potapenko
2022-08-25 22:13         ` Segher Boessenkool
2022-07-01 14:23 ` [PATCH v4 45/45] x86: kmsan: enable KMSAN builds for x86 Alexander Potapenko

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