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Searched refs:canary (Results 1 – 24 of 24) sorted by relevance

/linux-6.6.21/arch/loongarch/include/asm/
Dstackprotector.h28 unsigned long canary; in boot_init_stack_canary() local
31 get_random_bytes(&canary, sizeof(canary)); in boot_init_stack_canary()
32 canary ^= LINUX_VERSION_CODE; in boot_init_stack_canary()
34 current->stack_canary = canary; in boot_init_stack_canary()
/linux-6.6.21/arch/powerpc/include/asm/
Dstackprotector.h22 unsigned long canary = get_random_canary(); in boot_init_stack_canary() local
24 current->stack_canary = canary; in boot_init_stack_canary()
26 get_paca()->canary = canary; in boot_init_stack_canary()
Dpaca.h276 unsigned long canary; member
/linux-6.6.21/arch/x86/include/asm/
Dstackprotector.h52 unsigned long canary = get_random_canary(); in boot_init_stack_canary() local
58 current->stack_canary = canary; in boot_init_stack_canary()
60 this_cpu_write(fixed_percpu_data.stack_canary, canary); in boot_init_stack_canary()
62 this_cpu_write(__stack_chk_guard, canary); in boot_init_stack_canary()
/linux-6.6.21/drivers/misc/lkdtm/
Dbugs.c164 unsigned long *canary = (unsigned long *)stack; in __lkdtm_REPORT_STACK_CANARY() local
169 canary = (unsigned long *)stack + i; in __lkdtm_REPORT_STACK_CANARY()
171 if (*canary == current->stack_canary) in __lkdtm_REPORT_STACK_CANARY()
173 if (*canary == init_task.stack_canary) in __lkdtm_REPORT_STACK_CANARY()
197 canary = (unsigned long *)stack + current_offset; in __lkdtm_REPORT_STACK_CANARY()
199 stack_canary = *canary; in __lkdtm_REPORT_STACK_CANARY()
213 if (*canary == stack_canary) { in __lkdtm_REPORT_STACK_CANARY()
/linux-6.6.21/arch/xtensa/include/asm/
Dstackprotector.h27 unsigned long canary = get_random_canary(); in boot_init_stack_canary() local
29 current->stack_canary = canary; in boot_init_stack_canary()
/linux-6.6.21/arch/sh/include/asm/
Dstackprotector.h15 unsigned long canary = get_random_canary(); in boot_init_stack_canary() local
17 current->stack_canary = canary; in boot_init_stack_canary()
/linux-6.6.21/arch/csky/include/asm/
Dstackprotector.h15 unsigned long canary = get_random_canary(); in boot_init_stack_canary() local
17 current->stack_canary = canary; in boot_init_stack_canary()
/linux-6.6.21/arch/mips/include/asm/
Dstackprotector.h28 unsigned long canary = get_random_canary(); in boot_init_stack_canary() local
30 current->stack_canary = canary; in boot_init_stack_canary()
/linux-6.6.21/arch/arm/include/asm/
Dstackprotector.h30 unsigned long canary = get_random_canary(); in boot_init_stack_canary() local
32 current->stack_canary = canary; in boot_init_stack_canary()
/linux-6.6.21/arch/riscv/include/asm/
Dstackprotector.h16 unsigned long canary = get_random_canary(); in boot_init_stack_canary() local
18 current->stack_canary = canary; in boot_init_stack_canary()
/linux-6.6.21/arch/arm64/include/asm/
Dstackprotector.h29 unsigned long canary = get_random_canary(); in boot_init_stack_canary() local
31 current->stack_canary = canary; in boot_init_stack_canary()
/linux-6.6.21/arch/x86/platform/pvh/
Dhead.S99 mov $_pa(canary), %eax
159 SYM_DATA_LOCAL(canary, .fill 48, 1, 0)
/linux-6.6.21/drivers/net/ipa/
Dipa_mem.c366 __le32 *canary; in ipa_mem_config() local
372 canary = ipa->mem_virt + ipa->mem_offset + ipa->mem[i].offset; in ipa_mem_config()
374 *--canary = IPA_MEM_CANARY_VAL; in ipa_mem_config()
/linux-6.6.21/drivers/soc/qcom/
Dsmem.c225 u16 canary; /* bytes are the same so no swapping needed */ member
395 if (hdr->canary != SMEM_PRIVATE_CANARY) in qcom_smem_alloc_private()
413 hdr->canary = SMEM_PRIVATE_CANARY; in qcom_smem_alloc_private()
574 if (e->canary != SMEM_PRIVATE_CANARY) in qcom_smem_get_private()
610 if (e->canary != SMEM_PRIVATE_CANARY) in qcom_smem_get_private()
/linux-6.6.21/drivers/tty/serial/8250/
D8250_core.c791 unsigned char canary = 0xa5; in serial8250_suspend_port() local
793 serial_out(up, UART_SCR, canary); in serial8250_suspend_port()
794 if (serial_in(up, UART_SCR) == canary) in serial8250_suspend_port()
795 up->canary = canary; in serial8250_suspend_port()
813 up->canary = 0; in serial8250_resume_port()
D8250_port.c3420 if (up->canary && (up->canary != serial_port_in(port, UART_SCR))) { in serial8250_console_write()
3422 up->canary = 0; in serial8250_console_write()
/linux-6.6.21/include/linux/
Dserial_8250.h138 unsigned char canary; /* non-zero during system sleep member
/linux-6.6.21/Documentation/security/
Dself-protection.rst157 is the presence of a stack canary between the stack variables and the
207 It should be noted that things like the stack canary discussed earlier
217 different canary per stack) and high entropy (e.g. is the RNG actually
270 addresses or other sensitive things like canary values).
/linux-6.6.21/arch/arm/mach-at91/
Dpm.c46 phys_addr_t canary; member
185 static int canary = 0xA5A5A5A5; variable
1079 soc_pm.bu->canary = __pa_symbol(&canary); in at91_pm_backup_init()
/linux-6.6.21/arch/
DKconfig625 - it has implemented a stack canary (e.g. __stack_chk_guard)
634 feature puts, at the beginning of functions, a canary value on
638 overwrite the canary, which gets detected and the attack is then
641 Functions will have the stack-protector canary logic added if they
647 On an x86 "defconfig" build, this feature adds canary checks to
657 Functions will have the stack-protector canary logic added in any
669 On an x86 "defconfig" build, this feature adds canary checks to
1262 to the compiler, so it will attempt to add canary checks regardless
/linux-6.6.21/arch/powerpc/kernel/
Dasm-offsets.c84 OFFSET(PACA_CANARY, paca_struct, canary); in main()
/linux-6.6.21/arch/arm/
DKconfig1440 bool "Use a unique stack canary value for each task"
1447 which to load the value of the stack canary, this value can only
1449 kernel's address space are forced to use the same canary value for
1453 different canary value for each task.
/linux-6.6.21/arch/powerpc/xmon/
Dxmon.c2701 DUMP(p, canary, "%#-*lx"); in dump_one_paca()