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

/Linux-v5.15/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.h276 unsigned long canary; member
/Linux-v5.15/arch/x86/include/asm/
Dstackprotector.h53 u64 canary; in boot_init_stack_canary() local
65 get_random_bytes(&canary, sizeof(canary)); in boot_init_stack_canary()
67 canary += tsc + (tsc << 32UL); in boot_init_stack_canary()
68 canary &= CANARY_MASK; in boot_init_stack_canary()
70 current->stack_canary = canary; in boot_init_stack_canary()
72 this_cpu_write(fixed_percpu_data.stack_canary, canary); in boot_init_stack_canary()
74 this_cpu_write(__stack_chk_guard, canary); in boot_init_stack_canary()
/Linux-v5.15/arch/csky/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-v5.15/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-v5.15/arch/riscv/include/asm/
Dstackprotector.h19 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()
/Linux-v5.15/arch/arm64/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()
36 canary &= CANARY_MASK; in boot_init_stack_canary()
38 current->stack_canary = canary; in boot_init_stack_canary()
/Linux-v5.15/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-v5.15/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-v5.15/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-v5.15/arch/x86/platform/pvh/
Dhead.S98 mov $_pa(canary), %eax
158 SYM_DATA_LOCAL(canary, .fill 48, 1, 0)
/Linux-v5.15/drivers/soc/qcom/
Dsmem.c209 u16 canary; /* bytes are the same so no swapping needed */ member
363 if (hdr->canary != SMEM_PRIVATE_CANARY) in qcom_smem_alloc_private()
378 hdr->canary = SMEM_PRIVATE_CANARY; in qcom_smem_alloc_private()
524 if (e->canary != SMEM_PRIVATE_CANARY) in qcom_smem_get_private()
544 if (e->canary != SMEM_PRIVATE_CANARY) in qcom_smem_get_private()
/Linux-v5.15/drivers/net/ipa/
Dipa_mem.c353 __le32 *canary; in ipa_mem_config() local
359 canary = ipa->mem_virt + ipa->mem_offset + ipa->mem[i].offset; in ipa_mem_config()
361 *--canary = IPA_MEM_CANARY_VAL; in ipa_mem_config()
/Linux-v5.15/drivers/tty/serial/8250/
D8250_core.c754 unsigned char canary = 0xa5; in serial8250_suspend_port() local
756 serial_out(up, UART_SCR, canary); in serial8250_suspend_port()
757 if (serial_in(up, UART_SCR) == canary) in serial8250_suspend_port()
758 up->canary = canary; in serial8250_suspend_port()
776 up->canary = 0; in serial8250_resume_port()
D8250_port.c3358 if (up->canary && (up->canary != serial_port_in(port, UART_SCR))) { in serial8250_console_write()
3360 up->canary = 0; in serial8250_console_write()
/Linux-v5.15/include/linux/
Dserial_8250.h111 unsigned char canary; /* non-zero during system sleep member
/Linux-v5.15/arch/arm/mach-at91/
Dpm.c45 phys_addr_t canary; member
130 static int canary = 0xA5A5A5A5; variable
838 soc_pm.bu->canary = __pa_symbol(&canary); in at91_pm_backup_init()
/Linux-v5.15/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-v5.15/arch/
DKconfig543 - it has implemented a stack canary (e.g. __stack_chk_guard)
552 feature puts, at the beginning of functions, a canary value on
556 overwrite the canary, which gets detected and the attack is then
559 Functions will have the stack-protector canary logic added if they
565 On an x86 "defconfig" build, this feature adds canary checks to
575 Functions will have the stack-protector canary logic added in any
587 On an x86 "defconfig" build, this feature adds canary checks to
1138 to the compiler, so it will attempt to add canary checks regardless
/Linux-v5.15/arch/arm/
DKconfig1603 bool "Use a unique stack canary value for each task"
1609 which to load the value of the stack canary, this value can only
1611 kernel's address space are forced to use the same canary value for
1615 different canary value for each task.
/Linux-v5.15/arch/powerpc/kernel/
Dasm-offsets.c86 OFFSET(PACA_CANARY, paca_struct, canary); in main()
/Linux-v5.15/arch/powerpc/xmon/
Dxmon.c2696 DUMP(p, canary, "%#-*lx"); in dump_one_paca()