Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 1a5f883..b256f9c 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -24,6 +24,14 @@
#define SI_EXPANSION_SIZE (sizeof(struct siginfo) - sizeof(struct kernel_siginfo))
+static inline void copy_siginfo_to_external(siginfo_t *to,
+ const kernel_siginfo_t *from)
+{
+ memcpy(to, from, sizeof(*from));
+ memset(((char *)to) + sizeof(struct kernel_siginfo), 0,
+ SI_EXPANSION_SIZE);
+}
+
int copy_siginfo_to_user(siginfo_t __user *to, const kernel_siginfo_t *from);
int copy_siginfo_from_user(kernel_siginfo_t *to, const siginfo_t __user *from);
@@ -129,11 +137,11 @@
b3 = b->sig[3]; b2 = b->sig[2]; \
r->sig[3] = op(a3, b3); \
r->sig[2] = op(a2, b2); \
- /* fall through */ \
+ fallthrough; \
case 2: \
a1 = a->sig[1]; b1 = b->sig[1]; \
r->sig[1] = op(a1, b1); \
- /* fall through */ \
+ fallthrough; \
case 1: \
a0 = a->sig[0]; b0 = b->sig[0]; \
r->sig[0] = op(a0, b0); \
@@ -163,9 +171,9 @@
switch (_NSIG_WORDS) { \
case 4: set->sig[3] = op(set->sig[3]); \
set->sig[2] = op(set->sig[2]); \
- /* fall through */ \
+ fallthrough; \
case 2: set->sig[1] = op(set->sig[1]); \
- /* fall through */ \
+ fallthrough; \
case 1: set->sig[0] = op(set->sig[0]); \
break; \
default: \
@@ -186,7 +194,7 @@
memset(set, 0, sizeof(sigset_t));
break;
case 2: set->sig[1] = 0;
- /* fall through */
+ fallthrough;
case 1: set->sig[0] = 0;
break;
}
@@ -199,7 +207,7 @@
memset(set, -1, sizeof(sigset_t));
break;
case 2: set->sig[1] = -1;
- /* fall through */
+ fallthrough;
case 1: set->sig[0] = -1;
break;
}
@@ -230,6 +238,7 @@
memset(&set->sig[1], 0, sizeof(long)*(_NSIG_WORDS-1));
break;
case 2: set->sig[1] = 0;
+ break;
case 1: ;
}
}
@@ -242,6 +251,7 @@
memset(&set->sig[1], -1, sizeof(long)*(_NSIG_WORDS-1));
break;
case 2: set->sig[1] = -1;
+ break;
case 1: ;
}
}
@@ -444,12 +454,12 @@
int restore_altstack(const stack_t __user *);
int __save_altstack(stack_t __user *, unsigned long);
-#define save_altstack_ex(uss, sp) do { \
+#define unsafe_save_altstack(uss, sp, label) do { \
stack_t __user *__uss = uss; \
struct task_struct *t = current; \
- put_user_ex((void __user *)t->sas_ss_sp, &__uss->ss_sp); \
- put_user_ex(t->sas_ss_flags, &__uss->ss_flags); \
- put_user_ex(t->sas_ss_size, &__uss->ss_size); \
+ unsafe_put_user((void __user *)t->sas_ss_sp, &__uss->ss_sp, label); \
+ unsafe_put_user(t->sas_ss_flags, &__uss->ss_flags, label); \
+ unsafe_put_user(t->sas_ss_size, &__uss->ss_size, label); \
if (t->sas_ss_flags & SS_AUTODISARM) \
sas_ss_reset(t); \
} while (0);