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-rw-r--r--kernel/stackleak.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/stackleak.c b/kernel/stackleak.c
index 34c9d81eea94..59cdfaf5118e 100644
--- a/kernel/stackleak.c
+++ b/kernel/stackleak.c
@@ -27,10 +27,10 @@ static int stack_erasing_sysctl(struct ctl_table *table, int write,
int ret = 0;
int state = !static_branch_unlikely(&stack_erasing_bypass);
int prev_state = state;
+ struct ctl_table table_copy = *table;
- table->data = &state;
- table->maxlen = sizeof(int);
- ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
+ table_copy.data = &state;
+ ret = proc_dointvec_minmax(&table_copy, write, buffer, lenp, ppos);
state = !!state;
if (ret || !write || state == prev_state)
return ret;