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Searched refs:canary (Results 1 – 25 of 25) sorted by relevance

/linux-6.15/arch/loongarch/include/asm/
H A 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-6.15/tools/testing/selftests/ftrace/test.d/00basic/
H A Dtest_ownership.tc25 canary="events/timer events/timer/timer_cancel events/timer/timer_cancel/format"
59 … "events" "events/sched" "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary; do
65 …for d in "." "events/sched" "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary…
71 for d in "." "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary; do
77 for d in "." "events/sched/sched_switch/enable" $canary; do
83 for d in "." $canary; do
99 … "events" "events/sched" "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary; do
/linux-6.15/arch/powerpc/include/asm/
H A 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()
H A Dpaca.h272 unsigned long canary; member
/linux-6.15/arch/x86/include/asm/
H A Dstackprotector.h38 unsigned long canary = get_random_canary(); in boot_init_stack_canary() local
40 current->stack_canary = canary; in boot_init_stack_canary()
41 this_cpu_write(__stack_chk_guard, canary); in boot_init_stack_canary()
/linux-6.15/arch/xtensa/include/asm/
H A 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-6.15/arch/mips/include/asm/
H A 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-6.15/arch/sh/include/asm/
H A 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-6.15/arch/csky/include/asm/
H A 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-6.15/arch/arm/include/asm/
H A 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-6.15/arch/riscv/include/asm/
H A 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-6.15/arch/arm64/include/asm/
H A 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-6.15/drivers/misc/lkdtm/
H A Dbugs.c191 unsigned long *canary = (unsigned long *)stack; in __lkdtm_REPORT_STACK_CANARY() local
196 canary = (unsigned long *)stack + i; in __lkdtm_REPORT_STACK_CANARY()
198 if (*canary == current->stack_canary) in __lkdtm_REPORT_STACK_CANARY()
200 if (*canary == init_task.stack_canary) in __lkdtm_REPORT_STACK_CANARY()
224 canary = (unsigned long *)stack + current_offset; in __lkdtm_REPORT_STACK_CANARY()
226 stack_canary = *canary; in __lkdtm_REPORT_STACK_CANARY()
240 if (*canary == stack_canary) { in __lkdtm_REPORT_STACK_CANARY()
/linux-6.15/drivers/tty/serial/8250/
H A D8250_core.c587 unsigned char canary = 0xa5; in serial8250_suspend_port() local
589 serial_out(up, UART_SCR, canary); in serial8250_suspend_port()
590 if (serial_in(up, UART_SCR) == canary) in serial8250_suspend_port()
591 up->canary = canary; in serial8250_suspend_port()
609 up->canary = 0; in serial8250_resume_port()
H A D8250_port.c3424 if (up->canary && (up->canary != serial_port_in(port, UART_SCR))) { in serial8250_console_write()
3426 up->canary = 0; in serial8250_console_write()
/linux-6.15/Documentation/translations/zh_CN/security/
H A Dself-protection.rst137 （CONFIG_STACKPROTECTOR），它在函数返回前会验证栈上的“stack canary”。
/linux-6.15/drivers/net/ipa/
H A 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-6.15/drivers/soc/qcom/
H A Dsmem.c225 u16 canary; /* bytes are the same so no swapping needed */ member
421 if (hdr->canary != SMEM_PRIVATE_CANARY) in qcom_smem_alloc_private()
439 hdr->canary = SMEM_PRIVATE_CANARY; in qcom_smem_alloc_private()
602 if (e->canary != SMEM_PRIVATE_CANARY) in qcom_smem_get_private()
638 if (e->canary != SMEM_PRIVATE_CANARY) in qcom_smem_get_private()
/linux-6.15/include/linux/
H A Dserial_8250.h138 unsigned char canary; /* non-zero during system sleep member
/linux-6.15/Documentation/security/
H A 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-6.15/arch/arm/mach-at91/
H A Dpm.c46 phys_addr_t canary; member
185 static int canary = 0xA5A5A5A5; variable
1105 soc_pm.bu->canary = __pa_symbol(&canary); in at91_pm_backup_init()
/linux-6.15/arch/
H A DKconfig644 - it has implemented a stack canary (e.g. __stack_chk_guard)
653 feature puts, at the beginning of functions, a canary value on
657 overwrite the canary, which gets detected and the attack is then
660 Functions will have the stack-protector canary logic added if they
666 On an x86 "defconfig" build, this feature adds canary checks to
676 Functions will have the stack-protector canary logic added in any
688 On an x86 "defconfig" build, this feature adds canary checks to
1455 to the compiler, so it will attempt to add canary checks regardless
/linux-6.15/arch/powerpc/kernel/
H A Dasm-offsets.c84 OFFSET(PACA_CANARY, paca_struct, canary); in main()
/linux-6.15/arch/arm/
H A DKconfig1381 bool "Use a unique stack canary value for each task"
1388 which to load the value of the stack canary, this value can only
1390 kernel's address space are forced to use the same canary value for
1394 different canary value for each task.
/linux-6.15/arch/powerpc/xmon/
H A Dxmon.c2682 DUMP(p, canary, "%#-*lx"); in dump_one_paca()