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Searched refs:canary (Results 1 – 22 of 22) sorted by relevance

/Linux-v5.4/arch/x86/include/asm/
Dstackprotector.h63 u64 canary; in boot_init_stack_canary() local
75 get_random_bytes(&canary, sizeof(canary)); in boot_init_stack_canary()
77 canary += tsc + (tsc << 32UL); in boot_init_stack_canary()
78 canary &= CANARY_MASK; in boot_init_stack_canary()
80 current->stack_canary = canary; in boot_init_stack_canary()
82 this_cpu_write(fixed_percpu_data.stack_canary, canary); in boot_init_stack_canary()
84 this_cpu_write(stack_canary.canary, canary); in boot_init_stack_canary()
91 unsigned long canary = (unsigned long)&per_cpu(stack_canary, cpu); in setup_stack_canary_segment() local
96 set_desc_base(&desc, canary); in setup_stack_canary_segment()
Dprocessor.h423 unsigned long canary; member
/Linux-v5.4/arch/powerpc/include/asm/
Dstackprotector.h24 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()
Dpaca.h268 unsigned long canary; member
/Linux-v5.4/arch/sh/include/asm/
Dstackprotector.h18 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()
/Linux-v5.4/arch/arm64/include/asm/
Dstackprotector.h29 unsigned long canary; in boot_init_stack_canary() local
32 get_random_bytes(&canary, sizeof(canary)); in boot_init_stack_canary()
33 canary ^= LINUX_VERSION_CODE; in boot_init_stack_canary()
34 canary &= CANARY_MASK; in boot_init_stack_canary()
36 current->stack_canary = canary; in boot_init_stack_canary()
/Linux-v5.4/arch/xtensa/include/asm/
Dstackprotector.h30 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()
/Linux-v5.4/arch/mips/include/asm/
Dstackprotector.h31 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()
/Linux-v5.4/arch/arm/include/asm/
Dstackprotector.h33 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()
/Linux-v5.4/arch/x86/platform/pvh/
Dhead.S99 mov $_pa(canary), %eax
114 movl $_pa(canary),%ecx
169 canary: label
/Linux-v5.4/drivers/soc/qcom/
Dsmem.c209 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()
/Linux-v5.4/arch/arm/mach-at91/
Dpm.c80 static int canary = 0xA5A5A5A5; variable
85 phys_addr_t canary; member
670 pm_bu->canary = __pa_symbol(&canary); in at91_pm_backup_init()
/Linux-v5.4/arch/x86/kernel/
Dasm-offsets_32.c61 OFFSET(stack_canary_offset, stack_canary, canary); in foo()
Dhead_32.S381 * relocation. Manually set base address in stack canary
/Linux-v5.4/drivers/tty/serial/8250/
D8250_core.c756 unsigned char canary = 0xa5; in serial8250_suspend_port() local
757 serial_out(up, UART_SCR, canary); in serial8250_suspend_port()
758 if (serial_in(up, UART_SCR) == canary) in serial8250_suspend_port()
759 up->canary = canary; in serial8250_suspend_port()
777 up->canary = 0; in serial8250_resume_port()
D8250_port.c3169 if (up->canary && (up->canary != serial_port_in(port, UART_SCR))) { in serial8250_console_write()
3171 up->canary = 0; in serial8250_console_write()
/Linux-v5.4/include/linux/
Dserial_8250.h109 unsigned char canary; /* non-zero during system sleep member
/Linux-v5.4/Documentation/security/
Dself-protection.rst158 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).
/Linux-v5.4/arch/
DKconfig473 - it has implemented a stack canary (e.g. __stack_chk_guard)
485 feature puts, at the beginning of functions, a canary value on
489 overwrite the canary, which gets detected and the attack is then
492 Functions will have the stack-protector canary logic added if they
498 On an x86 "defconfig" build, this feature adds canary checks to
508 Functions will have the stack-protector canary logic added in any
520 On an x86 "defconfig" build, this feature adds canary checks to
/Linux-v5.4/arch/powerpc/kernel/
Dasm-offsets.c83 OFFSET(PACA_CANARY, paca_struct, canary); in main()
/Linux-v5.4/arch/arm/
DKconfig1701 bool "Use a unique stack canary value for each task"
1707 which to load the value of the stack canary, this value can only
1709 kernel's address space are forced to use the same canary value for
1713 different canary value for each task.
/Linux-v5.4/arch/powerpc/xmon/
Dxmon.c2450 DUMP(p, canary, "%#-*lx"); in dump_one_paca()