Fix: capture_sequence_element_{un,}signed: handle user-space input

[lttng-modules.git] / src / lttng-context-vsgid.c

diff --git a/src/lttng-context-vsgid.c b/src/lttng-context-vsgid.c
index 0ca4f08853c5705623e338a2d50182c8e16f48da..e9b18b670319b618ec8d9da8de557325aa7f099d 100644 (file)
--- a/src/lttng-context-vsgid.c
+++ b/src/lttng-context-vsgid.c
@@ -19,7 +19,7 @@
 #include <wrapper/user_namespace.h>
 
 static
-size_t vsgid_get_size(size_t offset)
+size_t vsgid_get_size(void *priv, struct lttng_kernel_probe_ctx *probe_ctx, size_t offset)
 {
        size_t size = 0;
 
@@ -29,31 +29,29 @@ size_t vsgid_get_size(size_t offset)
 }
 
 static
-void vsgid_record(struct lttng_kernel_ctx_field *field,
-                struct lib_ring_buffer_ctx *ctx,
-                struct lttng_channel *chan)
+void vsgid_record(void *priv, struct lttng_kernel_probe_ctx *probe_ctx,
+                struct lttng_kernel_ring_buffer_ctx *ctx,
+                struct lttng_kernel_channel_buffer *chan)
 {
        gid_t vsgid;
 
        vsgid = lttng_current_vsgid();
-       lib_ring_buffer_align_ctx(ctx, lttng_alignof(vsgid));
-       chan->ops->event_write(ctx, &vsgid, sizeof(vsgid));
+       chan->ops->event_write(ctx, &vsgid, sizeof(vsgid), lttng_alignof(vsgid));
 }
 
 static
-void vsgid_get_value(struct lttng_kernel_ctx_field *field,
-               struct lttng_probe_ctx *lttng_probe_ctx,
-               union lttng_ctx_value *value)
+void vsgid_get_value(void *priv,
+               struct lttng_kernel_probe_ctx *lttng_probe_ctx,
+               struct lttng_ctx_value *value)
 {
-       value->s64 = lttng_current_vsgid();
+       value->u.s64 = lttng_current_vsgid();
 }
 
 static const struct lttng_kernel_ctx_field *ctx_field = lttng_kernel_static_ctx_field(
        lttng_kernel_static_event_field("vsgid",
                lttng_kernel_static_type_integer_from_type(gid_t, __BYTE_ORDER, 10),
-               false, false, false),
+               false, false),
        vsgid_get_size,
-       NULL,
        vsgid_record,
        vsgid_get_value,
        NULL, NULL);