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Searched refs:canary (Results 1 – 23 of 23) sorted by relevance

/linux-6.1.9/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.h277 unsigned long canary; member
/linux-6.1.9/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-6.1.9/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-6.1.9/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-6.1.9/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-6.1.9/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-6.1.9/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-6.1.9/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-6.1.9/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-6.1.9/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-6.1.9/arch/x86/platform/pvh/
Dhead.S99 mov $_pa(canary), %eax
159 SYM_DATA_LOCAL(canary, .fill 48, 1, 0)
/linux-6.1.9/drivers/soc/qcom/
Dsmem.c224 u16 canary; /* bytes are the same so no swapping needed */ member
383 if (hdr->canary != SMEM_PRIVATE_CANARY) in qcom_smem_alloc_private()
401 hdr->canary = SMEM_PRIVATE_CANARY; in qcom_smem_alloc_private()
562 if (e->canary != SMEM_PRIVATE_CANARY) in qcom_smem_get_private()
598 if (e->canary != SMEM_PRIVATE_CANARY) in qcom_smem_get_private()
/linux-6.1.9/drivers/net/ipa/
Dipa_mem.c357 __le32 *canary; in ipa_mem_config() local
363 canary = ipa->mem_virt + ipa->mem_offset + ipa->mem[i].offset; in ipa_mem_config()
365 *--canary = IPA_MEM_CANARY_VAL; in ipa_mem_config()
/linux-6.1.9/drivers/tty/serial/8250/
D8250_core.c761 unsigned char canary = 0xa5; in serial8250_suspend_port() local
763 serial_out(up, UART_SCR, canary); in serial8250_suspend_port()
764 if (serial_in(up, UART_SCR) == canary) in serial8250_suspend_port()
765 up->canary = canary; in serial8250_suspend_port()
783 up->canary = 0; in serial8250_resume_port()
D8250_port.c3404 if (up->canary && (up->canary != serial_port_in(port, UART_SCR))) { in serial8250_console_write()
3406 up->canary = 0; in serial8250_console_write()
/linux-6.1.9/include/linux/
Dserial_8250.h110 unsigned char canary; /* non-zero during system sleep member
/linux-6.1.9/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-6.1.9/arch/arm/mach-at91/
Dpm.c45 phys_addr_t canary; member
184 static int canary = 0xA5A5A5A5; variable
1080 soc_pm.bu->canary = __pa_symbol(&canary); in at91_pm_backup_init()
/linux-6.1.9/arch/
DKconfig580 - it has implemented a stack canary (e.g. __stack_chk_guard)
589 feature puts, at the beginning of functions, a canary value on
593 overwrite the canary, which gets detected and the attack is then
596 Functions will have the stack-protector canary logic added if they
602 On an x86 "defconfig" build, this feature adds canary checks to
612 Functions will have the stack-protector canary logic added in any
624 On an x86 "defconfig" build, this feature adds canary checks to
1206 to the compiler, so it will attempt to add canary checks regardless
/linux-6.1.9/arch/arm/
DKconfig1449 bool "Use a unique stack canary value for each task"
1456 which to load the value of the stack canary, this value can only
1458 kernel's address space are forced to use the same canary value for
1462 different canary value for each task.
/linux-6.1.9/arch/powerpc/kernel/
Dasm-offsets.c84 OFFSET(PACA_CANARY, paca_struct, canary); in main()
/linux-6.1.9/arch/powerpc/xmon/
Dxmon.c2702 DUMP(p, canary, "%#-*lx"); in dump_one_paca()