[arm:ktext-current 1/19] arch/arm64/mm/kasan_init.c:248:2: error: call to '__compiletime_assert_418' declared with 'error' attribute: BUILD_BUG_ON failed: VMALLOC_START != MODULES_END
kernel test robot
lkp at intel.com
Tue Jul 18 15:14:15 PDT 2023
tree: git://git.armlinux.org.uk/~rmk/linux-arm.git ktext-current
head: 49e3458967802a6981190b5a1fa9fd66dbf58f8c
commit: 631e7c45f5d4cf043cd236a921c341e3dd9f1909 [1/19] arm64: place kernel in its own L0 page table entry
config: arm64-randconfig-r026-20230718 (https://download.01.org/0day-ci/archive/20230719/202307190607.uzLCUxgD-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230719/202307190607.uzLCUxgD-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307190607.uzLCUxgD-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
| ^~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:238:23: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
238 | [ESR_ELx_EC_HVC32] = handle_hvc,
| ^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:239:23: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
239 | [ESR_ELx_EC_SMC32] = handle_smc,
| ^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:240:23: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
240 | [ESR_ELx_EC_HVC64] = handle_hvc,
| ^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:241:23: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
241 | [ESR_ELx_EC_SMC64] = handle_smc,
| ^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:242:23: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
242 | [ESR_ELx_EC_SYS64] = kvm_handle_sys_reg,
| ^~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:243:21: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
243 | [ESR_ELx_EC_SVE] = handle_sve,
| ^~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:244:22: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
244 | [ESR_ELx_EC_ERET] = kvm_handle_eret,
| ^~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:245:26: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
245 | [ESR_ELx_EC_IABT_LOW] = kvm_handle_guest_abort,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:246:26: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
246 | [ESR_ELx_EC_DABT_LOW] = kvm_handle_guest_abort,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:247:28: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
247 | [ESR_ELx_EC_SOFTSTP_LOW]= kvm_handle_guest_debug,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:248:28: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
248 | [ESR_ELx_EC_WATCHPT_LOW]= kvm_handle_guest_debug,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:249:28: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
249 | [ESR_ELx_EC_BREAKPT_LOW]= kvm_handle_guest_debug,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:250:24: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
250 | [ESR_ELx_EC_BKPT32] = kvm_handle_guest_debug,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:251:23: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
251 | [ESR_ELx_EC_BRK64] = kvm_handle_guest_debug,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:252:26: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
252 | [ESR_ELx_EC_FP_ASIMD] = handle_no_fpsimd,
| ^~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:253:21: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
253 | [ESR_ELx_EC_PAC] = kvm_handle_ptrauth,
| ^~~~~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:230:27: note: previous initialization is here
230 | [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
| ^~~~~~~~~~~~~~~~~~~~~
>> arch/arm64/kvm/handle_exit.c:364:33: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((12 - 3) * (4 - (4 - 3)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
364 | u64 hyp_offset = elr_in_kimg - kaslr_offset() - elr_virt;
| ^~~~~~~~~~~~~~
arch/arm64/include/asm/memory.h:203:56: note: expanded from macro 'kaslr_offset'
203 | #define kaslr_offset() ((unsigned long)(kimage_vaddr - KIMAGE_VADDR))
| ^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
47 | max(MODULES_VSIZE, PGDIR_SIZE))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:74:19: note: expanded from macro 'max'
74 | #define max(x, y) __careful_cmp(x, y, >)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
36 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
26 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:388:28: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((12 - 3) * (4 - (4 - 3)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
388 | (void *)(panic_addr + kaslr_offset()));
| ^~~~~~~~~~~~~~
include/linux/kvm_host.h:812:52: note: expanded from macro 'kvm_err'
812 | pr_err("kvm [%i]: " fmt, task_pid_nr(current), ## __VA_ARGS__)
| ^~~~~~~~~~~
include/linux/printk.h:498:33: note: expanded from macro 'pr_err'
498 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~
include/linux/printk.h:455:60: note: expanded from macro 'printk'
455 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
36 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
26 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
arch/arm64/kvm/handle_exit.c:391:27: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((12 - 3) * (4 - (4 - 3)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
391 | (void *)(panic_addr + kaslr_offset()));
| ^~~~~~~~~~~~~~
include/linux/kvm_host.h:812:52: note: expanded from macro 'kvm_err'
812 | pr_err("kvm [%i]: " fmt, task_pid_nr(current), ## __VA_ARGS__)
| ^~~~~~~~~~~
include/linux/printk.h:498:33: note: expanded from macro 'pr_err'
498 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~
include/linux/printk.h:455:60: note: expanded from macro 'printk'
455 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
36 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
26 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
26 warnings generated.
--
>> arch/arm64/kvm/stacktrace.c:153:55: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((12 - 3) * (4 - (4 - 3)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
153 | kvm_err(" [<%016lx>] %pB\n", where, (void *)(where + kaslr_offset()));
| ^~~~~~~~~~~~~~
include/linux/kvm_host.h:812:52: note: expanded from macro 'kvm_err'
812 | pr_err("kvm [%i]: " fmt, task_pid_nr(current), ## __VA_ARGS__)
| ^~~~~~~~~~~
include/linux/printk.h:498:33: note: expanded from macro 'pr_err'
498 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~
include/linux/printk.h:455:60: note: expanded from macro 'printk'
455 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
36 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
26 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
20 | (!!(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) << ((12 - 3) * (4 - (4 - 3)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
225 | 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'
49 | #define MODULES_VADDR (MODULES_END - MODULES_VSIZE)
| ^~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
48 | #define MODULES_END (KIMAGE_VADDR)
| ^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
47 | 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'
36 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
26 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
20 | (!!(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) << ((12 - 3) * (4 - (4 - 3)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
248 | BUILD_BUG_ON(VMALLOC_START != MODULES_END);
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/pgtable.h:24:25: note: expanded from macro 'VMALLOC_START'
24 | #define VMALLOC_START (MODULES_END + PGDIR_SIZE)
| ^
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
48 | #define MODULES_END (KIMAGE_VADDR)
| ^
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
47 | 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'
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert'
385 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert'
377 | if (!(condition)) \
| ^~~~~~~~~
arch/arm64/mm/kasan_init.c:248:32: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((12 - 3) * (4 - (4 - 3)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
248 | BUILD_BUG_ON(VMALLOC_START != MODULES_END);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
48 | #define MODULES_END (KIMAGE_VADDR)
| ^
arch/arm64/include/asm/memory.h:47:6: note: expanded from macro 'KIMAGE_VADDR'
47 | max(MODULES_VSIZE, PGDIR_SIZE))
| ^
include/linux/minmax.h:74:19: note: expanded from macro 'max'
74 | #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'
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert'
385 | __compiletime_assert(condition, msg, prefix, suffix)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert'
377 | if (!(condition)) \
| ^~~~~~~~~
>> arch/arm64/mm/kasan_init.c:248:2: error: call to '__compiletime_assert_418' declared with 'error' attribute: BUILD_BUG_ON failed: VMALLOC_START != MODULES_END
248 | BUILD_BUG_ON(VMALLOC_START != MODULES_END);
| ^
include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
50 | 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'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^
include/linux/compiler_types.h:397:2: note: expanded from macro 'compiletime_assert'
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:385:2: note: expanded from macro '_compiletime_assert'
385 | __compiletime_assert(condition, msg, prefix, suffix)
| ^
include/linux/compiler_types.h:378:4: note: expanded from macro '__compiletime_assert'
378 | prefix ## suffix(); \
| ^
<scratch space>:3:1: note: expanded from here
3 | __compiletime_assert_418
| ^
3 warnings and 1 error generated.
--
>> drivers/md/dm-bufio.c:2842:22: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((12 - 3) * (4 - (4 - 3)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
2842 | if (mem > mult_frac(VMALLOC_TOTAL, DM_BUFIO_VMALLOC_PERCENT, 100))
| ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmalloc.h:284:38: note: expanded from macro 'VMALLOC_TOTAL'
284 | #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
| ^
arch/arm64/include/asm/pgtable.h:24:25: note: expanded from macro 'VMALLOC_START'
24 | #define VMALLOC_START (MODULES_END + PGDIR_SIZE)
| ^
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
48 | #define MODULES_END (KIMAGE_VADDR)
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
26 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^
include/linux/math.h:124:9: note: expanded from macro 'mult_frac'
124 | typeof(x) x_ = (x); \
| ^
>> drivers/md/dm-bufio.c:2842:22: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((12 - 3) * (4 - (4 - 3)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
2842 | if (mem > mult_frac(VMALLOC_TOTAL, DM_BUFIO_VMALLOC_PERCENT, 100))
| ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmalloc.h:284:38: note: expanded from macro 'VMALLOC_TOTAL'
284 | #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
| ^
arch/arm64/include/asm/pgtable.h:24:25: note: expanded from macro 'VMALLOC_START'
24 | #define VMALLOC_START (MODULES_END + PGDIR_SIZE)
| ^
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
48 | #define MODULES_END (KIMAGE_VADDR)
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
26 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^
include/linux/math.h:124:18: note: expanded from macro 'mult_frac'
124 | typeof(x) x_ = (x); \
| ^
drivers/md/dm-bufio.c:2843:19: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((12 - 3) * (4 - (4 - 3)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
2843 | mem = mult_frac(VMALLOC_TOTAL, DM_BUFIO_VMALLOC_PERCENT, 100);
| ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmalloc.h:284:38: note: expanded from macro 'VMALLOC_TOTAL'
284 | #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
| ^
arch/arm64/include/asm/pgtable.h:24:25: note: expanded from macro 'VMALLOC_START'
24 | #define VMALLOC_START (MODULES_END + PGDIR_SIZE)
| ^
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
48 | #define MODULES_END (KIMAGE_VADDR)
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
26 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^
include/linux/math.h:124:9: note: expanded from macro 'mult_frac'
124 | typeof(x) x_ = (x); \
| ^
drivers/md/dm-bufio.c:2843:19: warning: comparison of distinct pointer types ('typeof ((2147483648U)) *' (aka 'unsigned int *') and 'typeof (((1UL) << ((12 - 3) * (4 - (4 - 3)) + 3))) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
2843 | mem = mult_frac(VMALLOC_TOTAL, DM_BUFIO_VMALLOC_PERCENT, 100);
| ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmalloc.h:284:38: note: expanded from macro 'VMALLOC_TOTAL'
284 | #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
| ^
arch/arm64/include/asm/pgtable.h:24:25: note: expanded from macro 'VMALLOC_START'
24 | #define VMALLOC_START (MODULES_END + PGDIR_SIZE)
| ^
arch/arm64/include/asm/memory.h:48:23: note: expanded from macro 'MODULES_END'
48 | #define MODULES_END (KIMAGE_VADDR)
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
26 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^
include/linux/math.h:124:18: note: expanded from macro 'mult_frac'
124 | typeof(x) x_ = (x); \
| ^
4 warnings generated.
..
vim +248 arch/arm64/mm/kasan_init.c
39d114ddc68223 Andrey Ryabinin 2015-10-12 213
afe6ef80dcecf2 Andrey Konovalov 2020-12-22 214 static void __init kasan_init_shadow(void)
39d114ddc68223 Andrey Ryabinin 2015-10-12 215 {
f9040773b7bbbd Ard Biesheuvel 2016-02-16 216 u64 kimg_shadow_start, kimg_shadow_end;
55123afffe931a Mark Rutland 2023-05-30 217 u64 mod_shadow_start;
9a0732efa77418 Lecopzer Chen 2021-03-24 218 u64 vmalloc_shadow_end;
b10d6bca87204c Mike Rapoport 2020-10-13 219 phys_addr_t pa_start, pa_end;
b10d6bca87204c Mike Rapoport 2020-10-13 220 u64 i;
39d114ddc68223 Andrey Ryabinin 2015-10-12 221
7d7b88ff5f8fd7 Lecopzer Chen 2021-03-24 222 kimg_shadow_start = (u64)kasan_mem_to_shadow(KERNEL_START) & PAGE_MASK;
7d7b88ff5f8fd7 Lecopzer Chen 2021-03-24 223 kimg_shadow_end = PAGE_ALIGN((u64)kasan_mem_to_shadow(KERNEL_END));
f9040773b7bbbd Ard Biesheuvel 2016-02-16 224
f80fb3a3d50843 Ard Biesheuvel 2016-01-26 @225 mod_shadow_start = (u64)kasan_mem_to_shadow((void *)MODULES_VADDR);
f80fb3a3d50843 Ard Biesheuvel 2016-01-26 226
9a0732efa77418 Lecopzer Chen 2021-03-24 227 vmalloc_shadow_end = (u64)kasan_mem_to_shadow((void *)VMALLOC_END);
9a0732efa77418 Lecopzer Chen 2021-03-24 228
39d114ddc68223 Andrey Ryabinin 2015-10-12 229 /*
39d114ddc68223 Andrey Ryabinin 2015-10-12 230 * We are going to perform proper setup of shadow memory.
0293c8ba807c86 Kyrylo Tkachov 2018-10-04 231 * At first we should unmap early shadow (clear_pgds() call below).
39d114ddc68223 Andrey Ryabinin 2015-10-12 232 * However, instrumented code couldn't execute without shadow memory.
39d114ddc68223 Andrey Ryabinin 2015-10-12 233 * tmp_pg_dir used to keep early shadow mapped until full shadow
39d114ddc68223 Andrey Ryabinin 2015-10-12 234 * setup will be finished.
39d114ddc68223 Andrey Ryabinin 2015-10-12 235 */
39d114ddc68223 Andrey Ryabinin 2015-10-12 236 memcpy(tmp_pg_dir, swapper_pg_dir, sizeof(tmp_pg_dir));
c1a88e9124a499 Mark Rutland 2016-01-25 237 dsb(ishst);
1682c45b920643 Ard Biesheuvel 2022-06-24 238 cpu_replace_ttbr1(lm_alias(tmp_pg_dir), idmap_pg_dir);
39d114ddc68223 Andrey Ryabinin 2015-10-12 239
39d114ddc68223 Andrey Ryabinin 2015-10-12 240 clear_pgds(KASAN_SHADOW_START, KASAN_SHADOW_END);
39d114ddc68223 Andrey Ryabinin 2015-10-12 241
e17d8025f07e4f Will Deacon 2017-11-15 242 kasan_map_populate(kimg_shadow_start, kimg_shadow_end,
7d7b88ff5f8fd7 Lecopzer Chen 2021-03-24 243 early_pfn_to_nid(virt_to_pfn(lm_alias(KERNEL_START))));
f9040773b7bbbd Ard Biesheuvel 2016-02-16 244
77ad4ce69321ab Mark Rutland 2019-08-14 245 kasan_populate_early_shadow(kasan_mem_to_shadow((void *)PAGE_END),
f80fb3a3d50843 Ard Biesheuvel 2016-01-26 246 (void *)mod_shadow_start);
9a0732efa77418 Lecopzer Chen 2021-03-24 247
9a0732efa77418 Lecopzer Chen 2021-03-24 @248 BUILD_BUG_ON(VMALLOC_START != MODULES_END);
9a0732efa77418 Lecopzer Chen 2021-03-24 249 kasan_populate_early_shadow((void *)vmalloc_shadow_end,
9a0732efa77418 Lecopzer Chen 2021-03-24 250 (void *)KASAN_SHADOW_END);
f80fb3a3d50843 Ard Biesheuvel 2016-01-26 251
b10d6bca87204c Mike Rapoport 2020-10-13 252 for_each_mem_range(i, &pa_start, &pa_end) {
b10d6bca87204c Mike Rapoport 2020-10-13 253 void *start = (void *)__phys_to_virt(pa_start);
b10d6bca87204c Mike Rapoport 2020-10-13 254 void *end = (void *)__phys_to_virt(pa_end);
39d114ddc68223 Andrey Ryabinin 2015-10-12 255
39d114ddc68223 Andrey Ryabinin 2015-10-12 256 if (start >= end)
39d114ddc68223 Andrey Ryabinin 2015-10-12 257 break;
39d114ddc68223 Andrey Ryabinin 2015-10-12 258
e17d8025f07e4f Will Deacon 2017-11-15 259 kasan_map_populate((unsigned long)kasan_mem_to_shadow(start),
3f9ec80f7b22ec Andrey Ryabinin 2017-07-10 260 (unsigned long)kasan_mem_to_shadow(end),
800cb2e553d445 Mark Rutland 2018-04-16 261 early_pfn_to_nid(virt_to_pfn(start)));
39d114ddc68223 Andrey Ryabinin 2015-10-12 262 }
39d114ddc68223 Andrey Ryabinin 2015-10-12 263
7b1af9795773d7 Ard Biesheuvel 2016-01-11 264 /*
9577dd74864877 Andrey Konovalov 2018-12-28 265 * KAsan may reuse the contents of kasan_early_shadow_pte directly,
9577dd74864877 Andrey Konovalov 2018-12-28 266 * so we should make sure that it maps the zero page read-only.
7b1af9795773d7 Ard Biesheuvel 2016-01-11 267 */
7b1af9795773d7 Ard Biesheuvel 2016-01-11 268 for (i = 0; i < PTRS_PER_PTE; i++)
9577dd74864877 Andrey Konovalov 2018-12-28 269 set_pte(&kasan_early_shadow_pte[i],
9577dd74864877 Andrey Konovalov 2018-12-28 270 pfn_pte(sym_to_pfn(kasan_early_shadow_page),
9577dd74864877 Andrey Konovalov 2018-12-28 271 PAGE_KERNEL_RO));
7b1af9795773d7 Ard Biesheuvel 2016-01-11 272
080eb83f54cf5b Andrey Konovalov 2018-12-28 273 memset(kasan_early_shadow_page, KASAN_SHADOW_INIT, PAGE_SIZE);
1682c45b920643 Ard Biesheuvel 2022-06-24 274 cpu_replace_ttbr1(lm_alias(swapper_pg_dir), idmap_pg_dir);
afe6ef80dcecf2 Andrey Konovalov 2020-12-22 275 }
afe6ef80dcecf2 Andrey Konovalov 2020-12-22 276
:::::: The code at line 248 was first introduced by commit
:::::: 9a0732efa77418fc85b1bdc5ddee619e62f59545 arm64: kasan: don't populate vmalloc area for CONFIG_KASAN_VMALLOC
:::::: TO: Lecopzer Chen <lecopzer.chen at mediatek.com>
:::::: CC: Catalin Marinas <catalin.marinas at arm.com>
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