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Fix: filter interpreter with userspace strings
[lttng-modules.git]
/
lttng-filter-interpreter.c
diff --git
a/lttng-filter-interpreter.c
b/lttng-filter-interpreter.c
index c288cc024ad90bcbc58f02a849aa074632f04ec3..713a9d7d406f9f9c08c9fcb6e61f3acd43a92d8a 100644
(file)
--- a/
lttng-filter-interpreter.c
+++ b/
lttng-filter-interpreter.c
@@
-818,7
+818,7
@@
uint64_t lttng_filter_interpret_bytecode(void *filter_data,
dbg_printk("load field ref offset %u type user string\n",
ref->offset);
estack_push(stack, top, ax, bx);
dbg_printk("load field ref offset %u type user string\n",
ref->offset);
estack_push(stack, top, ax, bx);
- estack_ax(stack, top)->u.s.str =
+ estack_ax(stack, top)->u.s.
user_
str =
*(const char * const *) &filter_stack_data[ref->offset];
if (unlikely(!estack_ax(stack, top)->u.s.str)) {
dbg_printk("Filter warning: loading a NULL string.\n");
*(const char * const *) &filter_stack_data[ref->offset];
if (unlikely(!estack_ax(stack, top)->u.s.str)) {
dbg_printk("Filter warning: loading a NULL string.\n");
@@
-843,7
+843,7
@@
uint64_t lttng_filter_interpret_bytecode(void *filter_data,
estack_push(stack, top, ax, bx);
estack_ax(stack, top)->u.s.seq_len =
*(unsigned long *) &filter_stack_data[ref->offset];
estack_push(stack, top, ax, bx);
estack_ax(stack, top)->u.s.seq_len =
*(unsigned long *) &filter_stack_data[ref->offset];
- estack_ax(stack, top)->u.s.str =
+ estack_ax(stack, top)->u.s.
user_
str =
*(const char **) (&filter_stack_data[ref->offset
+ sizeof(unsigned long)]);
if (unlikely(!estack_ax(stack, top)->u.s.str)) {
*(const char **) (&filter_stack_data[ref->offset
+ sizeof(unsigned long)]);
if (unlikely(!estack_ax(stack, top)->u.s.str)) {
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