* [rmk-arm:ktext-current 1/19] kernel/scs.c:46:40: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *'))
@ 2023-07-13 15:28 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-07-13 15:28 UTC (permalink / raw)
To: Russell King (Oracle); +Cc: llvm, oe-kbuild-all
tree: git://git.armlinux.org.uk/~rmk/linux-arm ktext-current
head: 1085162f4939fd1d436ba6ec27b54c707a2a7c47
commit: b392b426ad1dad14b1f13a984fef3f8e082b58e6 [1/19] arm64: place kernel in its own L0 page table entry
config: arm64-randconfig-r032-20230713 (https://download.01.org/0day-ci/archive/20230713/202307132335.xdlOMkMP-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce: (https://download.01.org/0day-ci/archive/20230713/202307132335.xdlOMkMP-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307132335.xdlOMkMP-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> kernel/scs.c:46:40: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
s = __vmalloc_node_range(SCS_SIZE, 1, VMALLOC_START, VMALLOC_END,
^~~~~~~~~~~~~
arch/arm64/include/asm/pgtable.h:24:25: note: expanded from macro 'VMALLOC_START'
#define VMALLOC_START (MODULES_END + PGDIR_SIZE)
^~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
#define MODULES_END (KIMAGE_VADDR)
^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
max(MODULES_VSIZE, PGDIR_SIZE))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
__builtin_choose_expr(__safe_cmp(x, y), \
^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
(__typecheck(x, y) && __no_side_effects(x, y))
^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
1 warning generated.
--
>> mm/percpu.c:3110:21: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
if (max_distance > VMALLOC_TOTAL * 3 / 4) {
^~~~~~~~~~~~~
include/linux/vmalloc.h:284:38: note: expanded from macro 'VMALLOC_TOTAL'
#define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
^~~~~~~~~~~~~
arch/arm64/include/asm/pgtable.h:24:25: note: expanded from macro 'VMALLOC_START'
#define VMALLOC_START (MODULES_END + PGDIR_SIZE)
^~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
#define MODULES_END (KIMAGE_VADDR)
^~~~~~~~~~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
__builtin_choose_expr(__safe_cmp(x, y), \
^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
(__typecheck(x, y) && __no_side_effects(x, y))
^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
mm/percpu.c:3112:19: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
max_distance, VMALLOC_TOTAL);
^~~~~~~~~~~~~
include/linux/printk.h:508:37: note: expanded from macro 'pr_warn'
printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~~~
include/linux/printk.h:455:60: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^~~~~~~~~~~
include/linux/printk.h:427:19: note: expanded from macro 'printk_index_wrap'
_p_func(_fmt, ##__VA_ARGS__); \
^~~~~~~~~~~
note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
__builtin_choose_expr(__safe_cmp(x, y), \
^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
(__typecheck(x, y) && __no_side_effects(x, y))
^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
2 warnings generated.
--
>> mm/vmalloc.c:82:17: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
return addr >= VMALLOC_START && addr < VMALLOC_END;
^~~~~~~~~~~~~
arch/arm64/include/asm/pgtable.h:24:25: note: expanded from macro 'VMALLOC_START'
#define VMALLOC_START (MODULES_END + PGDIR_SIZE)
^~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
#define MODULES_END (KIMAGE_VADDR)
^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
max(MODULES_VSIZE, PGDIR_SIZE))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
__builtin_choose_expr(__safe_cmp(x, y), \
^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
(__typecheck(x, y) && __no_side_effects(x, y))
^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
mm/vmalloc.c:647:14: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
if (addr >= MODULES_VADDR && addr < MODULES_END)
^~~~~~~~~~~~~
arch/arm64/include/asm/memory.h:49:25: note: expanded from macro 'MODULES_VADDR'
#define MODULES_VADDR (MODULES_END - MODULES_VSIZE)
^~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
#define MODULES_END (KIMAGE_VADDR)
^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
max(MODULES_VSIZE, PGDIR_SIZE))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
__builtin_choose_expr(__safe_cmp(x, y), \
^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
(__typecheck(x, y) && __no_side_effects(x, y))
^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
mm/vmalloc.c:647:38: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
if (addr >= MODULES_VADDR && addr < MODULES_END)
^~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
#define MODULES_END (KIMAGE_VADDR)
^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
max(MODULES_VSIZE, PGDIR_SIZE))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:74:19: note: expanded from macro 'max'
#define max(x, y) __careful_cmp(x, y, >)
^~~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
__builtin_choose_expr(__safe_cmp(x, y), \
^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
(__typecheck(x, y) && __no_side_effects(x, y))
^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
mm/vmalloc.c:2000:10: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
addr -= VMALLOC_START & ~(VMAP_BLOCK_SIZE-1);
^~~~~~~~~~~~~
arch/arm64/include/asm/pgtable.h:24:25: note: expanded from macro 'VMALLOC_START'
#define VMALLOC_START (MODULES_END + PGDIR_SIZE)
^~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
#define MODULES_END (KIMAGE_VADDR)
^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
max(MODULES_VSIZE, PGDIR_SIZE))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
__builtin_choose_expr(__safe_cmp(x, y), \
^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
(__typecheck(x, y) && __no_side_effects(x, y))
^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
mm/vmalloc.c:2040:6: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
VMALLOC_START, VMALLOC_END,
^~~~~~~~~~~~~
arch/arm64/include/asm/pgtable.h:24:25: note: expanded from macro 'VMALLOC_START'
#define VMALLOC_START (MODULES_END + PGDIR_SIZE)
^~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
#define MODULES_END (KIMAGE_VADDR)
^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
max(MODULES_VSIZE, PGDIR_SIZE))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
--
>> mm/util.c:629:39: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
return __vmalloc_node_range(size, 1, VMALLOC_START, VMALLOC_END,
^~~~~~~~~~~~~
arch/arm64/include/asm/pgtable.h:24:25: note: expanded from macro 'VMALLOC_START'
#define VMALLOC_START (MODULES_END + PGDIR_SIZE)
^~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
#define MODULES_END (KIMAGE_VADDR)
^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
max(MODULES_VSIZE, PGDIR_SIZE))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
__builtin_choose_expr(__safe_cmp(x, y), \
^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
(__typecheck(x, y) && __no_side_effects(x, y))
^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
1 warning generated.
--
>> arch/arm64/mm/kasan_init.c:225:54: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
mod_shadow_start = (u64)kasan_mem_to_shadow((void *)MODULES_VADDR);
^~~~~~~~~~~~~
arch/arm64/include/asm/memory.h:49:25: note: expanded from macro 'MODULES_VADDR'
#define MODULES_VADDR (MODULES_END - MODULES_VSIZE)
^~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
#define MODULES_END (KIMAGE_VADDR)
^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
max(MODULES_VSIZE, PGDIR_SIZE))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
__builtin_choose_expr(__safe_cmp(x, y), \
^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
(__typecheck(x, y) && __no_side_effects(x, y))
^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
arch/arm64/mm/kasan_init.c:248:15: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
BUILD_BUG_ON(VMALLOC_START != MODULES_END);
~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/pgtable.h:24:25: note: expanded from macro 'VMALLOC_START'
#define VMALLOC_START (MODULES_END + PGDIR_SIZE)
^
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
#define MODULES_END (KIMAGE_VADDR)
^
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
max(MODULES_VSIZE, PGDIR_SIZE))
^
note: (skipping 6 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert'
if (!(condition)) \
^~~~~~~~~
arch/arm64/mm/kasan_init.c:248:32: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
BUILD_BUG_ON(VMALLOC_START != MODULES_END);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
#define MODULES_END (KIMAGE_VADDR)
^
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
max(MODULES_VSIZE, PGDIR_SIZE))
^
include/linux/minmax.h:74:19: note: expanded from macro 'max'
#define max(x, y) __careful_cmp(x, y, >)
^
note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert'
if (!(condition)) \
^~~~~~~~~
arch/arm64/mm/kasan_init.c:248:2: error: call to __compiletime_assert_425 declared with 'error' attribute: BUILD_BUG_ON failed: VMALLOC_START != MODULES_END
BUILD_BUG_ON(VMALLOC_START != MODULES_END);
^
include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
include/linux/compiler_types.h:397:2: note: expanded from macro 'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^
include/linux/compiler_types.h:385:2: note: expanded from macro '_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:378:4: note: expanded from macro '__compiletime_assert'
prefix ## suffix(); \
^
<scratch space>:92:1: note: expanded from here
__compiletime_assert_425
^
3 warnings and 1 error generated.
--
>> arch/arm64/kernel/crash_core.c:24:57: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
vmcoreinfo_append_str("NUMBER(MODULES_VADDR)=0x%lx\n", MODULES_VADDR);
^~~~~~~~~~~~~
arch/arm64/include/asm/memory.h:49:25: note: expanded from macro 'MODULES_VADDR'
#define MODULES_VADDR (MODULES_END - MODULES_VSIZE)
^~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
#define MODULES_END (KIMAGE_VADDR)
^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
max(MODULES_VSIZE, PGDIR_SIZE))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
__builtin_choose_expr(__safe_cmp(x, y), \
^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
(__typecheck(x, y) && __no_side_effects(x, y))
^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
arch/arm64/kernel/crash_core.c:25:55: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
vmcoreinfo_append_str("NUMBER(MODULES_END)=0x%lx\n", MODULES_END);
^~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
#define MODULES_END (KIMAGE_VADDR)
^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
max(MODULES_VSIZE, PGDIR_SIZE))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:74:19: note: expanded from macro 'max'
#define max(x, y) __careful_cmp(x, y, >)
^~~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
__builtin_choose_expr(__safe_cmp(x, y), \
^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
(__typecheck(x, y) && __no_side_effects(x, y))
^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
arch/arm64/kernel/crash_core.c:26:57: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
vmcoreinfo_append_str("NUMBER(VMALLOC_START)=0x%lx\n", VMALLOC_START);
^~~~~~~~~~~~~
arch/arm64/include/asm/pgtable.h:24:25: note: expanded from macro 'VMALLOC_START'
#define VMALLOC_START (MODULES_END + PGDIR_SIZE)
^~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
#define MODULES_END (KIMAGE_VADDR)
^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
max(MODULES_VSIZE, PGDIR_SIZE))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
__builtin_choose_expr(__safe_cmp(x, y), \
^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
(__typecheck(x, y) && __no_side_effects(x, y))
^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
arch/arm64/kernel/crash_core.c:36:46: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset());
^~~~~~~~~~~~~~
arch/arm64/include/asm/memory.h:203:56: note: expanded from macro 'kaslr_offset'
#define kaslr_offset() ((unsigned long)(kimage_vaddr - KIMAGE_VADDR))
^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
max(MODULES_VSIZE, PGDIR_SIZE))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:74:19: note: expanded from macro 'max'
#define max(x, y) __careful_cmp(x, y, >)
^~~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
__builtin_choose_expr(__safe_cmp(x, y), \
^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
(__typecheck(x, y) && __no_side_effects(x, y))
^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
4 warnings generated.
..
vim +46 kernel/scs.c
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 30
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 31 static void *__scs_alloc(int node)
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 32 {
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 33 int i;
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 34 void *s;
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 35
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 36 for (i = 0; i < NR_CACHED_SCS; i++) {
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 37 s = this_cpu_xchg(scs_cache[i], NULL);
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 38 if (s) {
f6e39794f4b6da Andrey Konovalov 2022-03-24 39 s = kasan_unpoison_vmalloc(s, SCS_SIZE,
f6e39794f4b6da Andrey Konovalov 2022-03-24 40 KASAN_VMALLOC_PROT_NORMAL);
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 41 memset(s, 0, SCS_SIZE);
f6e39794f4b6da Andrey Konovalov 2022-03-24 42 goto out;
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 43 }
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 44 }
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 45
f6e39794f4b6da Andrey Konovalov 2022-03-24 @46 s = __vmalloc_node_range(SCS_SIZE, 1, VMALLOC_START, VMALLOC_END,
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 47 GFP_SCS, PAGE_KERNEL, 0, node,
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 48 __builtin_return_address(0));
f6e39794f4b6da Andrey Konovalov 2022-03-24 49
f6e39794f4b6da Andrey Konovalov 2022-03-24 50 out:
f6e39794f4b6da Andrey Konovalov 2022-03-24 51 return kasan_reset_tag(s);
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 52 }
a2abe7cbd8fe2d Sami Tolvanen 2020-11-30 53
:::::: The code at line 46 was first introduced by commit
:::::: f6e39794f4b6da7ca9b77f2f9ad11fd6f0ac83e5 kasan, vmalloc: only tag normal vmalloc allocations
:::::: TO: Andrey Konovalov <andreyknvl@google.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2023-07-13 15:28 [rmk-arm:ktext-current 1/19] kernel/scs.c:46:40: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((16 - 3) * (4 - (4 - 2)) + 3))) *' (aka 'unsigned long *')) kernel test robot
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