diff --git a/arch/arm64/include/asm/pointer_auth.h b/arch/arm64/include/asm/pointer_auth.h index 7a24bad1a58b89a38390eabf909515082a3b9aaa..799b079e69a561d5955f5b580c4c80fef67fda1b 100644 --- a/arch/arm64/include/asm/pointer_auth.h +++ b/arch/arm64/include/asm/pointer_auth.h @@ -22,7 +22,7 @@ struct ptrauth_key { * We give each process its own keys, which are shared by all threads. The keys * are inherited upon fork(), and reinitialised upon exec*(). */ -struct ptrauth_keys { +struct ptrauth_keys_user { struct ptrauth_key apia; struct ptrauth_key apib; struct ptrauth_key apda; @@ -30,7 +30,7 @@ struct ptrauth_keys { struct ptrauth_key apga; }; -static inline void ptrauth_keys_init(struct ptrauth_keys *keys) +static inline void ptrauth_keys_init_user(struct ptrauth_keys_user *keys) { if (system_supports_address_auth()) { get_random_bytes(&keys->apia, sizeof(keys->apia)); @@ -50,7 +50,7 @@ do { \ write_sysreg_s(__pki_v.hi, SYS_ ## k ## KEYHI_EL1); \ } while (0) -static inline void ptrauth_keys_switch(struct ptrauth_keys *keys) +static inline void ptrauth_keys_switch_user(struct ptrauth_keys_user *keys) { if (system_supports_address_auth()) { __ptrauth_key_install(APIA, keys->apia); @@ -80,12 +80,12 @@ static inline unsigned long ptrauth_strip_insn_pac(unsigned long ptr) #define ptrauth_thread_init_user(tsk) \ do { \ struct task_struct *__ptiu_tsk = (tsk); \ - ptrauth_keys_init(&__ptiu_tsk->thread.keys_user); \ - ptrauth_keys_switch(&__ptiu_tsk->thread.keys_user); \ + ptrauth_keys_init_user(&__ptiu_tsk->thread.keys_user); \ + ptrauth_keys_switch_user(&__ptiu_tsk->thread.keys_user); \ } while (0) #define ptrauth_thread_switch(tsk) \ - ptrauth_keys_switch(&(tsk)->thread.keys_user) + ptrauth_keys_switch_user(&(tsk)->thread.keys_user) #else /* CONFIG_ARM64_PTR_AUTH */ #define ptrauth_prctl_reset_keys(tsk, arg) (-EINVAL) diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index 5ba63204d078a5642b6bc997c06e33d2958e1014..496a92873290fcc18af23613a6c56be9d1fdc906 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -146,7 +146,7 @@ struct thread_struct { unsigned long fault_code; /* ESR_EL1 value */ struct debug_info debug; /* debugging */ #ifdef CONFIG_ARM64_PTR_AUTH - struct ptrauth_keys keys_user; + struct ptrauth_keys_user keys_user; #endif }; diff --git a/arch/arm64/kernel/pointer_auth.c b/arch/arm64/kernel/pointer_auth.c index c507b584259d099fb15e712bd7f7e617eb693324..af5a638207f8d0e460b9ee1d0a1be956d6c03b7c 100644 --- a/arch/arm64/kernel/pointer_auth.c +++ b/arch/arm64/kernel/pointer_auth.c @@ -9,7 +9,7 @@ int ptrauth_prctl_reset_keys(struct task_struct *tsk, unsigned long arg) { - struct ptrauth_keys *keys = &tsk->thread.keys_user; + struct ptrauth_keys_user *keys = &tsk->thread.keys_user; unsigned long addr_key_mask = PR_PAC_APIAKEY | PR_PAC_APIBKEY | PR_PAC_APDAKEY | PR_PAC_APDBKEY; unsigned long key_mask = addr_key_mask | PR_PAC_APGAKEY; @@ -18,8 +18,8 @@ int ptrauth_prctl_reset_keys(struct task_struct *tsk, unsigned long arg) return -EINVAL; if (!arg) { - ptrauth_keys_init(keys); - ptrauth_keys_switch(keys); + ptrauth_keys_init_user(keys); + ptrauth_keys_switch_user(keys); return 0; } @@ -41,7 +41,7 @@ int ptrauth_prctl_reset_keys(struct task_struct *tsk, unsigned long arg) if (arg & PR_PAC_APGAKEY) get_random_bytes(&keys->apga, sizeof(keys->apga)); - ptrauth_keys_switch(keys); + ptrauth_keys_switch_user(keys); return 0; } diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index cd6e5fa48b9cd3a156ecdf18267fadeccdd08e37..b3d3005d9515de52dc5527696049aaffcc9633dd 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -999,7 +999,7 @@ static struct ptrauth_key pac_key_from_user(__uint128_t ukey) } static void pac_address_keys_to_user(struct user_pac_address_keys *ukeys, - const struct ptrauth_keys *keys) + const struct ptrauth_keys_user *keys) { ukeys->apiakey = pac_key_to_user(&keys->apia); ukeys->apibkey = pac_key_to_user(&keys->apib); @@ -1007,7 +1007,7 @@ static void pac_address_keys_to_user(struct user_pac_address_keys *ukeys, ukeys->apdbkey = pac_key_to_user(&keys->apdb); } -static void pac_address_keys_from_user(struct ptrauth_keys *keys, +static void pac_address_keys_from_user(struct ptrauth_keys_user *keys, const struct user_pac_address_keys *ukeys) { keys->apia = pac_key_from_user(ukeys->apiakey); @@ -1021,7 +1021,7 @@ static int pac_address_keys_get(struct task_struct *target, unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf) { - struct ptrauth_keys *keys = &target->thread.keys_user; + struct ptrauth_keys_user *keys = &target->thread.keys_user; struct user_pac_address_keys user_keys; if (!system_supports_address_auth()) @@ -1038,7 +1038,7 @@ static int pac_address_keys_set(struct task_struct *target, unsigned int pos, unsigned int count, const void *kbuf, const void __user *ubuf) { - struct ptrauth_keys *keys = &target->thread.keys_user; + struct ptrauth_keys_user *keys = &target->thread.keys_user; struct user_pac_address_keys user_keys; int ret; @@ -1056,12 +1056,12 @@ static int pac_address_keys_set(struct task_struct *target, } static void pac_generic_keys_to_user(struct user_pac_generic_keys *ukeys, - const struct ptrauth_keys *keys) + const struct ptrauth_keys_user *keys) { ukeys->apgakey = pac_key_to_user(&keys->apga); } -static void pac_generic_keys_from_user(struct ptrauth_keys *keys, +static void pac_generic_keys_from_user(struct ptrauth_keys_user *keys, const struct user_pac_generic_keys *ukeys) { keys->apga = pac_key_from_user(ukeys->apgakey); @@ -1072,7 +1072,7 @@ static int pac_generic_keys_get(struct task_struct *target, unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf) { - struct ptrauth_keys *keys = &target->thread.keys_user; + struct ptrauth_keys_user *keys = &target->thread.keys_user; struct user_pac_generic_keys user_keys; if (!system_supports_generic_auth()) @@ -1089,7 +1089,7 @@ static int pac_generic_keys_set(struct task_struct *target, unsigned int pos, unsigned int count, const void *kbuf, const void __user *ubuf) { - struct ptrauth_keys *keys = &target->thread.keys_user; + struct ptrauth_keys_user *keys = &target->thread.keys_user; struct user_pac_generic_keys user_keys; int ret;