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-rw-r--r--arch/arm/kernel/process.c2
-rw-r--r--arch/arm/kernel/signal.c2
-rw-r--r--arch/arm64/kernel/process.c2
-rw-r--r--arch/arm64/kernel/syscall.c2
-rw-r--r--arch/loongarch/kernel/process.c2
-rw-r--r--arch/loongarch/kernel/vdso.c2
-rw-r--r--arch/mips/kernel/process.c2
-rw-r--r--arch/mips/kernel/vdso.c2
-rw-r--r--arch/parisc/kernel/process.c2
-rw-r--r--arch/parisc/kernel/sys_parisc.c4
-rw-r--r--arch/parisc/kernel/vdso.c2
-rw-r--r--arch/powerpc/crypto/crc-vpmsum_test.c2
-rw-r--r--arch/powerpc/kernel/process.c2
-rw-r--r--arch/s390/kernel/process.c4
-rw-r--r--arch/s390/kernel/vdso.c2
-rw-r--r--arch/s390/mm/mmap.c2
-rw-r--r--arch/sparc/vdso/vma.c2
-rw-r--r--arch/um/kernel/process.c2
-rw-r--r--arch/x86/entry/vdso/vma.c2
-rw-r--r--arch/x86/kernel/cpu/amd.c2
-rw-r--r--arch/x86/kernel/module.c2
-rw-r--r--arch/x86/kernel/process.c2
-rw-r--r--arch/x86/mm/pat/cpa-test.c4
23 files changed, 26 insertions, 26 deletions
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index fc30df88ffbe..a2b31d91a1b6 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -371,7 +371,7 @@ static unsigned long sigpage_addr(const struct mm_struct *mm,
slots = ((last - first) >> PAGE_SHIFT) + 1;
- offset = get_random_int() % slots;
+ offset = prandom_u32_max(slots);
addr = first + (offset << PAGE_SHIFT);
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index ea128e32e8ca..e07f359254c3 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -655,7 +655,7 @@ struct page *get_signal_page(void)
PAGE_SIZE / sizeof(u32));
/* Give the signal return code some randomness */
- offset = 0x200 + (get_random_int() & 0x7fc);
+ offset = 0x200 + (get_random_u16() & 0x7fc);
signal_return_offset = offset;
/* Copy signal return handlers into the page */
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 9015f49c206e..044a7d7f1f6a 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -591,7 +591,7 @@ unsigned long __get_wchan(struct task_struct *p)
unsigned long arch_align_stack(unsigned long sp)
{
if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
- sp -= get_random_int() & ~PAGE_MASK;
+ sp -= prandom_u32_max(PAGE_SIZE);
return sp & ~0xf;
}
diff --git a/arch/arm64/kernel/syscall.c b/arch/arm64/kernel/syscall.c
index 733451fe7e41..d72e8f23422d 100644
--- a/arch/arm64/kernel/syscall.c
+++ b/arch/arm64/kernel/syscall.c
@@ -67,7 +67,7 @@ static void invoke_syscall(struct pt_regs *regs, unsigned int scno,
*
* The resulting 5 bits of entropy is seen in SP[8:4].
*/
- choose_random_kstack_offset(get_random_int() & 0x1FF);
+ choose_random_kstack_offset(get_random_u16() & 0x1FF);
}
static inline bool has_syscall_work(unsigned long flags)
diff --git a/arch/loongarch/kernel/process.c b/arch/loongarch/kernel/process.c
index 660492f064e7..1256e3582475 100644
--- a/arch/loongarch/kernel/process.c
+++ b/arch/loongarch/kernel/process.c
@@ -293,7 +293,7 @@ unsigned long stack_top(void)
unsigned long arch_align_stack(unsigned long sp)
{
if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
- sp -= get_random_int() & ~PAGE_MASK;
+ sp -= prandom_u32_max(PAGE_SIZE);
return sp & STACK_ALIGN;
}
diff --git a/arch/loongarch/kernel/vdso.c b/arch/loongarch/kernel/vdso.c
index f32c38abd791..8c9826062652 100644
--- a/arch/loongarch/kernel/vdso.c
+++ b/arch/loongarch/kernel/vdso.c
@@ -78,7 +78,7 @@ static unsigned long vdso_base(void)
unsigned long base = STACK_TOP;
if (current->flags & PF_RANDOMIZE) {
- base += get_random_int() & (VDSO_RANDOMIZE_SIZE - 1);
+ base += prandom_u32_max(VDSO_RANDOMIZE_SIZE);
base = PAGE_ALIGN(base);
}
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 35b912bce429..bbe9ce471791 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -711,7 +711,7 @@ unsigned long mips_stack_top(void)
unsigned long arch_align_stack(unsigned long sp)
{
if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
- sp -= get_random_int() & ~PAGE_MASK;
+ sp -= prandom_u32_max(PAGE_SIZE);
return sp & ALMASK;
}
diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c
index b2cc2c2dd4bf..5fd9bf1d596c 100644
--- a/arch/mips/kernel/vdso.c
+++ b/arch/mips/kernel/vdso.c
@@ -79,7 +79,7 @@ static unsigned long vdso_base(void)
}
if (current->flags & PF_RANDOMIZE) {
- base += get_random_int() & (VDSO_RANDOMIZE_SIZE - 1);
+ base += prandom_u32_max(VDSO_RANDOMIZE_SIZE);
base = PAGE_ALIGN(base);
}
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 3db0e97e6c06..c4f8374c7018 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -284,7 +284,7 @@ __get_wchan(struct task_struct *p)
static inline unsigned long brk_rnd(void)
{
- return (get_random_int() & BRK_RND_MASK) << PAGE_SHIFT;
+ return (get_random_u32() & BRK_RND_MASK) << PAGE_SHIFT;
}
unsigned long arch_randomize_brk(struct mm_struct *mm)
diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index 2b34294517a1..848b0702005d 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -239,14 +239,14 @@ static unsigned long mmap_rnd(void)
unsigned long rnd = 0;
if (current->flags & PF_RANDOMIZE)
- rnd = get_random_int() & MMAP_RND_MASK;
+ rnd = get_random_u32() & MMAP_RND_MASK;
return rnd << PAGE_SHIFT;
}
unsigned long arch_mmap_rnd(void)
{
- return (get_random_int() & MMAP_RND_MASK) << PAGE_SHIFT;
+ return (get_random_u32() & MMAP_RND_MASK) << PAGE_SHIFT;
}
static unsigned long mmap_legacy_base(void)
diff --git a/arch/parisc/kernel/vdso.c b/arch/parisc/kernel/vdso.c
index 63dc44c4c246..47e5960a2f96 100644
--- a/arch/parisc/kernel/vdso.c
+++ b/arch/parisc/kernel/vdso.c
@@ -75,7 +75,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm,
map_base = mm->mmap_base;
if (current->flags & PF_RANDOMIZE)
- map_base -= (get_random_int() & 0x1f) * PAGE_SIZE;
+ map_base -= prandom_u32_max(0x20) * PAGE_SIZE;
vdso_text_start = get_unmapped_area(NULL, map_base, vdso_text_len, 0, 0);
diff --git a/arch/powerpc/crypto/crc-vpmsum_test.c b/arch/powerpc/crypto/crc-vpmsum_test.c
index c1c1ef9457fb..273c527868db 100644
--- a/arch/powerpc/crypto/crc-vpmsum_test.c
+++ b/arch/powerpc/crypto/crc-vpmsum_test.c
@@ -82,7 +82,7 @@ static int __init crc_test_init(void)
if (len <= offset)
continue;
- prandom_bytes(data, len);
+ get_random_bytes(data, len);
len -= offset;
crypto_shash_update(crct10dif_shash, data+offset, len);
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 40834ef84f0c..67da147fe34d 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -2303,6 +2303,6 @@ void notrace __ppc64_runlatch_off(void)
unsigned long arch_align_stack(unsigned long sp)
{
if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
- sp -= get_random_int() & ~PAGE_MASK;
+ sp -= prandom_u32_max(PAGE_SIZE);
return sp & ~0xf;
}
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index d5119e039d85..42af4b3aa02b 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -224,13 +224,13 @@ unsigned long __get_wchan(struct task_struct *p)
unsigned long arch_align_stack(unsigned long sp)
{
if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
- sp -= get_random_int() & ~PAGE_MASK;
+ sp -= prandom_u32_max(PAGE_SIZE);
return sp & ~0xf;
}
static inline unsigned long brk_rnd(void)
{
- return (get_random_int() & BRK_RND_MASK) << PAGE_SHIFT;
+ return (get_random_u16() & BRK_RND_MASK) << PAGE_SHIFT;
}
unsigned long arch_randomize_brk(struct mm_struct *mm)
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index 535099f2736d..3105ca5bd470 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -227,7 +227,7 @@ static unsigned long vdso_addr(unsigned long start, unsigned long len)
end -= len;
if (end > start) {
- offset = get_random_int() % (((end - start) >> PAGE_SHIFT) + 1);
+ offset = prandom_u32_max(((end - start) >> PAGE_SHIFT) + 1);
addr = start + (offset << PAGE_SHIFT);
} else {
addr = start;
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
index 5980ce348832..3327c47bc181 100644
--- a/arch/s390/mm/mmap.c
+++ b/arch/s390/mm/mmap.c
@@ -37,7 +37,7 @@ static inline int mmap_is_legacy(struct rlimit *rlim_stack)
unsigned long arch_mmap_rnd(void)
{
- return (get_random_int() & MMAP_RND_MASK) << PAGE_SHIFT;
+ return (get_random_u32() & MMAP_RND_MASK) << PAGE_SHIFT;
}
static unsigned long mmap_base_legacy(unsigned long rnd)
diff --git a/arch/sparc/vdso/vma.c b/arch/sparc/vdso/vma.c
index cc19e09b0fa1..ae9a86cb6f3d 100644
--- a/arch/sparc/vdso/vma.c
+++ b/arch/sparc/vdso/vma.c
@@ -354,7 +354,7 @@ static unsigned long vdso_addr(unsigned long start, unsigned int len)
unsigned int offset;
/* This loses some more bits than a modulo, but is cheaper */
- offset = get_random_int() & (PTRS_PER_PTE - 1);
+ offset = prandom_u32_max(PTRS_PER_PTE);
return start + (offset << PAGE_SHIFT);
}
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index 80b90b1276a1..010bc422a09d 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -356,7 +356,7 @@ int singlestepping(void * t)
unsigned long arch_align_stack(unsigned long sp)
{
if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
- sp -= get_random_int() % 8192;
+ sp -= prandom_u32_max(8192);
return sp & ~0xf;
}
#endif
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c
index 6292b960037b..311eae30e089 100644
--- a/arch/x86/entry/vdso/vma.c
+++ b/arch/x86/entry/vdso/vma.c
@@ -327,7 +327,7 @@ static unsigned long vdso_addr(unsigned long start, unsigned len)
end -= len;
if (end > start) {
- offset = get_random_int() % (((end - start) >> PAGE_SHIFT) + 1);
+ offset = prandom_u32_max(((end - start) >> PAGE_SHIFT) + 1);
addr = start + (offset << PAGE_SHIFT);
} else {
addr = start;
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 48276c0e479d..860b60273df3 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -503,7 +503,7 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
va_align.flags = ALIGN_VA_32 | ALIGN_VA_64;
/* A random value per boot for bit slice [12:upper_bit) */
- va_align.bits = get_random_int() & va_align.mask;
+ va_align.bits = get_random_u32() & va_align.mask;
}
if (cpu_has(c, X86_FEATURE_MWAITX))
diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
index b1abf663417c..c032edcd3d95 100644
--- a/arch/x86/kernel/module.c
+++ b/arch/x86/kernel/module.c
@@ -53,7 +53,7 @@ static unsigned long int get_module_load_offset(void)
*/
if (module_load_offset == 0)
module_load_offset =
- (get_random_int() % 1024 + 1) * PAGE_SIZE;
+ (prandom_u32_max(1024) + 1) * PAGE_SIZE;
mutex_unlock(&module_kaslr_mutex);
}
return module_load_offset;
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 58a6ea472db9..c21b7347a26d 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -965,7 +965,7 @@ early_param("idle", idle_setup);
unsigned long arch_align_stack(unsigned long sp)
{
if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
- sp -= get_random_int() % 8192;
+ sp -= prandom_u32_max(8192);
return sp & ~0xf;
}
diff --git a/arch/x86/mm/pat/cpa-test.c b/arch/x86/mm/pat/cpa-test.c
index 0612a73638a8..423b21e80929 100644
--- a/arch/x86/mm/pat/cpa-test.c
+++ b/arch/x86/mm/pat/cpa-test.c
@@ -136,10 +136,10 @@ static int pageattr_test(void)
failed += print_split(&sa);
for (i = 0; i < NTEST; i++) {
- unsigned long pfn = prandom_u32() % max_pfn_mapped;
+ unsigned long pfn = prandom_u32_max(max_pfn_mapped);
addr[i] = (unsigned long)__va(pfn << PAGE_SHIFT);
- len[i] = prandom_u32() % NPAGES;
+ len[i] = prandom_u32_max(NPAGES);
len[i] = min_t(unsigned long, len[i], max_pfn_mapped - pfn - 1);
if (len[i] == 0)
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 12:16:10 +0000