* [ammarfaizi2-block:google/android/kernel/common/android-4.19-stable 1/2] lib/usercopy.c:75: Error: unrecognized opcode `csrs sstatus,s8'
@ 2023-02-25 16:42 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-02-25 16:42 UTC (permalink / raw)
To: Ammar Faizi, GNU/Weeb Mailing List; +Cc: oe-kbuild-all
tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-4.19-stable
head: 271575bc1159139f841635982e75c891e07ff30a
commit: 6a1e36af9d0e008f78f324581e5f1cb5c4393aee [1/2] BACKPORT: lib: introduce copy_struct_from_user() helper
config: riscv-buildonly-randconfig-r003-20230222 (https://download.01.org/0day-ci/archive/20230226/[email protected]/config)
compiler: riscv32-linux-gcc (GCC) 12.1.0
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/ammarfaizi2/linux-block/commit/6a1e36af9d0e008f78f324581e5f1cb5c4393aee
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-4.19-stable
git checkout 6a1e36af9d0e008f78f324581e5f1cb5c4393aee
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <[email protected]>
| Link: https://lore.kernel.org/oe-kbuild-all/[email protected]/
All errors (new ones prefixed by >>):
| ^~~~~~~~~~~~~~~~
include/linux/uaccess.h:368:47: note: in expansion of macro 'unlikely'
368 | #define unsafe_get_user(x, ptr, err) do { if (unlikely(__get_user(x, ptr))) goto err; } while (0)
| ^~~~~~~~
lib/usercopy.c:75:17: note: in expansion of macro 'unsafe_get_user'
75 | unsafe_get_user(val, (unsigned long __user *) from, err_fault);
| ^~~~~~~~~~~~~~~
include/linux/compiler.h:61:31: warning: ignoring attribute 'section ("_ftrace_branch")' because it conflicts with previous 'section ("_ftrace_annotated_branch")' [-Wattributes]
61 | static struct ftrace_branch_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:49: note: in definition of macro '__trace_if'
58 | if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
| ^~~~
include/linux/uaccess.h:368:43: note: in expansion of macro 'if'
368 | #define unsafe_get_user(x, ptr, err) do { if (unlikely(__get_user(x, ptr))) goto err; } while (0)
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/uaccess.h:368:47: note: in expansion of macro 'unlikely'
368 | #define unsafe_get_user(x, ptr, err) do { if (unlikely(__get_user(x, ptr))) goto err; } while (0)
| ^~~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/linux/compiler.h:398:17: note: in expansion of macro 'if'
398 | if (!(condition)) \
| ^~
include/linux/compiler.h:406:9: note: in expansion of macro '__compiletime_assert'
406 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:418:9: note: in expansion of macro '_compiletime_assert'
418 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
45 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:79:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
79 | #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
| ^~~~~~~~~~~~~~~~
arch/riscv/include/asm/uaccess.h:235:17: note: in expansion of macro 'BUILD_BUG'
235 | BUILD_BUG(); \
| ^~~~~~~~~
include/linux/uaccess.h:368:56: note: in expansion of macro '__get_user'
368 | #define unsafe_get_user(x, ptr, err) do { if (unlikely(__get_user(x, ptr))) goto err; } while (0)
| ^~~~~~~~~~
lib/usercopy.c:75:17: note: in expansion of macro 'unsafe_get_user'
75 | unsafe_get_user(val, (unsigned long __user *) from, err_fault);
| ^~~~~~~~~~~~~~~
include/linux/compiler.h:28:33: note: previous declaration here
28 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:58:49: note: in definition of macro '__trace_if'
58 | if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
| ^~~~
include/linux/uaccess.h:368:43: note: in expansion of macro 'if'
368 | #define unsafe_get_user(x, ptr, err) do { if (unlikely(__get_user(x, ptr))) goto err; } while (0)
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/uaccess.h:368:47: note: in expansion of macro 'unlikely'
368 | #define unsafe_get_user(x, ptr, err) do { if (unlikely(__get_user(x, ptr))) goto err; } while (0)
| ^~~~~~~~
lib/usercopy.c:75:17: note: in expansion of macro 'unsafe_get_user'
75 | unsafe_get_user(val, (unsigned long __user *) from, err_fault);
| ^~~~~~~~~~~~~~~
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("_ftrace_annotated_branch")' because it conflicts with previous 'section ("_ftrace_branch")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/linux/uaccess.h:368:43: note: in expansion of macro 'if'
368 | #define unsafe_get_user(x, ptr, err) do { if (unlikely(__get_user(x, ptr))) goto err; } while (0)
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/uaccess.h:368:47: note: in expansion of macro 'unlikely'
368 | #define unsafe_get_user(x, ptr, err) do { if (unlikely(__get_user(x, ptr))) goto err; } while (0)
| ^~~~~~~~
lib/usercopy.c:75:17: note: in expansion of macro 'unsafe_get_user'
75 | unsafe_get_user(val, (unsigned long __user *) from, err_fault);
| ^~~~~~~~~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/linux/uaccess.h:368:43: note: in expansion of macro 'if'
368 | #define unsafe_get_user(x, ptr, err) do { if (unlikely(__get_user(x, ptr))) goto err; } while (0)
| ^~
lib/usercopy.c:75:17: note: in expansion of macro 'unsafe_get_user'
75 | unsafe_get_user(val, (unsigned long __user *) from, err_fault);
| ^~~~~~~~~~~~~~~
lib/usercopy.c: Assembler messages:
lib/usercopy.c:64: Error: unrecognized opcode `csrs sstatus,a5'
lib/usercopy.c:64: Error: unrecognized opcode `csrc sstatus,a5'
>> lib/usercopy.c:75: Error: unrecognized opcode `csrs sstatus,s8'
>> lib/usercopy.c:75: Error: unrecognized opcode `csrc sstatus,s8'
vim +75 lib/usercopy.c
35
36 /**
37 * check_zeroed_user: check if a userspace buffer only contains zero bytes
38 * @from: Source address, in userspace.
39 * @size: Size of buffer.
40 *
41 * This is effectively shorthand for "memchr_inv(from, 0, size) == NULL" for
42 * userspace addresses (and is more efficient because we don't care where the
43 * first non-zero byte is).
44 *
45 * Returns:
46 * * 0: There were non-zero bytes present in the buffer.
47 * * 1: The buffer was full of zero bytes.
48 * * -EFAULT: access to userspace failed.
49 */
50 int check_zeroed_user(const void __user *from, size_t size)
51 {
52 unsigned long val;
53 uintptr_t align = (uintptr_t) from % sizeof(unsigned long);
54
55 if (unlikely(size == 0))
56 return 1;
57
58 from -= align;
59 size += align;
60
61 if (!user_access_begin(VERIFY_READ, from, size))
62 return -EFAULT;
63
64 unsafe_get_user(val, (unsigned long __user *) from, err_fault);
65 if (align)
66 val &= ~aligned_byte_mask(align);
67
68 while (size > sizeof(unsigned long)) {
69 if (unlikely(val))
70 goto done;
71
72 from += sizeof(unsigned long);
73 size -= sizeof(unsigned long);
74
> 75 unsafe_get_user(val, (unsigned long __user *) from, err_fault);
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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