| /kernel/linux/linux-5.10/arch/x86/include/asm/ |
| D | stackprotector.h | 68 u64 canary; in boot_init_stack_canary() local
80 get_random_bytes(&canary, sizeof(canary)); in boot_init_stack_canary()
82 canary += tsc + (tsc << 32UL); in boot_init_stack_canary()
83 canary &= CANARY_MASK; in boot_init_stack_canary()
85 current->stack_canary = canary; in boot_init_stack_canary()
87 this_cpu_write(fixed_percpu_data.stack_canary, canary); in boot_init_stack_canary()
89 this_cpu_write(stack_canary.canary, canary); in boot_init_stack_canary()
98 per_cpu(stack_canary.canary, cpu) = idle->stack_canary; in cpu_init_stack_canary()
105 unsigned long canary = (unsigned long)&per_cpu(stack_canary, cpu); in setup_stack_canary_segment() local
110 set_desc_base(&desc, canary); in setup_stack_canary_segment()
|
| D | processor.h | 472 unsigned long canary; member
|
| /kernel/linux/linux-5.10/arch/powerpc/include/asm/ |
| D | stackprotector.h | 24 unsigned long canary; in boot_init_stack_canary() local
27 canary = get_random_canary(); in boot_init_stack_canary()
28 canary ^= mftb(); in boot_init_stack_canary()
29 canary ^= LINUX_VERSION_CODE; in boot_init_stack_canary()
30 canary &= CANARY_MASK; in boot_init_stack_canary()
32 current->stack_canary = canary; in boot_init_stack_canary()
34 get_paca()->canary = canary; in boot_init_stack_canary()
|
| D | paca.h | 271 unsigned long canary; member
|
| /kernel/linux/linux-5.10/arch/sh/include/asm/ |
| D | stackprotector.h | 18 unsigned long canary; in boot_init_stack_canary() local
21 get_random_bytes(&canary, sizeof(canary)); in boot_init_stack_canary()
22 canary ^= LINUX_VERSION_CODE; in boot_init_stack_canary()
23 canary &= CANARY_MASK; in boot_init_stack_canary()
25 current->stack_canary = canary; in boot_init_stack_canary()
|
| /kernel/linux/linux-5.10/arch/riscv/include/asm/ |
| D | stackprotector.h | 19 unsigned long canary; in boot_init_stack_canary() local
22 get_random_bytes(&canary, sizeof(canary)); in boot_init_stack_canary()
23 canary ^= LINUX_VERSION_CODE; in boot_init_stack_canary()
24 canary &= CANARY_MASK; in boot_init_stack_canary()
26 current->stack_canary = canary; in boot_init_stack_canary()
|
| /kernel/linux/linux-5.10/arch/csky/include/asm/ |
| D | stackprotector.h | 18 unsigned long canary; in boot_init_stack_canary() local
21 get_random_bytes(&canary, sizeof(canary)); in boot_init_stack_canary()
22 canary ^= LINUX_VERSION_CODE; in boot_init_stack_canary()
23 canary &= CANARY_MASK; in boot_init_stack_canary()
25 current->stack_canary = canary; in boot_init_stack_canary()
|
| /kernel/linux/linux-5.10/arch/arm64/include/asm/ |
| D | stackprotector.h | 31 unsigned long canary; in boot_init_stack_canary() local
34 get_random_bytes(&canary, sizeof(canary)); in boot_init_stack_canary()
35 canary ^= LINUX_VERSION_CODE; in boot_init_stack_canary()
36 canary &= CANARY_MASK; in boot_init_stack_canary()
38 current->stack_canary = canary; in boot_init_stack_canary()
|
| /kernel/linux/linux-5.10/arch/mips/include/asm/ |
| D | stackprotector.h | 31 unsigned long canary; in boot_init_stack_canary() local
34 get_random_bytes(&canary, sizeof(canary)); in boot_init_stack_canary()
35 canary ^= LINUX_VERSION_CODE; in boot_init_stack_canary()
37 current->stack_canary = canary; in boot_init_stack_canary()
|
| /kernel/linux/linux-5.10/arch/xtensa/include/asm/ |
| D | stackprotector.h | 30 unsigned long canary; in boot_init_stack_canary() local
33 get_random_bytes(&canary, sizeof(canary)); in boot_init_stack_canary()
34 canary ^= LINUX_VERSION_CODE; in boot_init_stack_canary()
36 current->stack_canary = canary; in boot_init_stack_canary()
|
| /kernel/linux/linux-5.10/arch/arm/include/asm/ |
| D | stackprotector.h | 33 unsigned long canary; in boot_init_stack_canary() local
36 get_random_bytes(&canary, sizeof(canary)); in boot_init_stack_canary()
37 canary ^= LINUX_VERSION_CODE; in boot_init_stack_canary()
39 current->stack_canary = canary; in boot_init_stack_canary()
|
| /kernel/linux/linux-5.10/arch/x86/platform/pvh/ |
| D | head.S | 99 mov $_pa(canary), %eax
114 movl $_pa(canary),%ecx
170 SYM_DATA_LOCAL(canary, .fill 48, 1, 0)
|
| /kernel/linux/linux-5.10/drivers/net/ipa/ |
| D | ipa_mem.c | 187 __le32 *canary; in ipa_mem_config() local
202 canary = ipa->mem_virt + ipa->mem_offset + mem->offset; in ipa_mem_config()
204 *--canary = IPA_MEM_CANARY_VAL; in ipa_mem_config()
|
| /kernel/linux/linux-5.10/drivers/soc/qcom/ |
| D | smem.c | 209 u16 canary; /* bytes are the same so no swapping needed */ member
362 if (hdr->canary != SMEM_PRIVATE_CANARY) in qcom_smem_alloc_private()
377 hdr->canary = SMEM_PRIVATE_CANARY; in qcom_smem_alloc_private()
523 if (e->canary != SMEM_PRIVATE_CANARY) in qcom_smem_get_private()
543 if (e->canary != SMEM_PRIVATE_CANARY) in qcom_smem_get_private()
|
| /kernel/linux/linux-5.10/arch/x86/kernel/ |
| D | asm-offsets_32.c | 58 OFFSET(stack_canary_offset, stack_canary, canary); in foo()
|
| D | head_32.S | 346 * relocation. Manually set base address in stack canary
|
| /kernel/linux/linux-5.10/arch/arm/mach-at91/ |
| D | pm.c | 81 static int canary = 0xA5A5A5A5; variable
86 phys_addr_t canary; member
686 pm_bu->canary = __pa_symbol(&canary); in at91_pm_backup_init()
|
| /kernel/linux/linux-5.10/drivers/tty/serial/8250/ |
| D | 8250_core.c | 774 unsigned char canary = 0xa5; in serial8250_suspend_port() local
776 serial_out(up, UART_SCR, canary); in serial8250_suspend_port()
777 if (serial_in(up, UART_SCR) == canary) in serial8250_suspend_port()
778 up->canary = canary; in serial8250_suspend_port()
796 up->canary = 0; in serial8250_resume_port()
|
| D | 8250_port.c | 3335 if (up->canary && (up->canary != serial_port_in(port, UART_SCR))) { in serial8250_console_write()
3337 up->canary = 0; in serial8250_console_write()
|
| /kernel/linux/linux-5.10/include/linux/ |
| D | serial_8250.h | 112 unsigned char canary; /* non-zero during system sleep member
|
| /kernel/linux/linux-5.10/Documentation/security/ |
| D | self-protection.rst | 158 is the presence of a stack canary between the stack variables and the
208 It should be noted that things like the stack canary discussed earlier
218 different canary per stack) and high entropy (e.g. is the RNG actually
271 addresses or other sensitive things like canary values).
|
| /kernel/linux/linux-5.10/arch/ |
| D | Kconfig | 544 - it has implemented a stack canary (e.g. __stack_chk_guard)
553 feature puts, at the beginning of functions, a canary value on
557 overwrite the canary, which gets detected and the attack is then
560 Functions will have the stack-protector canary logic added if they
566 On an x86 "defconfig" build, this feature adds canary checks to
576 Functions will have the stack-protector canary logic added in any
588 On an x86 "defconfig" build, this feature adds canary checks to
|
| /kernel/liteos_a/ |
| D | Kconfig | 315 feature puts, at the beginning of functions, a canary value on
319 overwrite the canary, which gets detected and the attack is then
|
| /kernel/liteos_m/ |
| D | Kconfig | 512 feature puts, at the beginning of functions, a canary value on
516 overwrite the canary, which gets detected and the attack is then
|
| /kernel/linux/linux-5.10/arch/arm/ |
| D | Kconfig | 1664 bool "Use a unique stack canary value for each task"
1670 which to load the value of the stack canary, this value can only
1672 kernel's address space are forced to use the same canary value for
1676 different canary value for each task.
|