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-rw-r--r--arch/x86_64/kernel/stacktrace.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86_64/kernel/stacktrace.c b/arch/x86_64/kernel/stacktrace.c
index 6026b31d037..65ac2c6b34a 100644
--- a/arch/x86_64/kernel/stacktrace.c
+++ b/arch/x86_64/kernel/stacktrace.c
@@ -32,7 +32,7 @@ static void save_stack_address(void *data, unsigned long addr)
trace->skip--;
return;
}
- if (trace->nr_entries < trace->max_entries - 1)
+ if (trace->nr_entries < trace->max_entries)
trace->entries[trace->nr_entries++] = addr;
}
@@ -49,7 +49,8 @@ static struct stacktrace_ops save_stack_ops = {
void save_stack_trace(struct stack_trace *trace, struct task_struct *task)
{
dump_trace(task, NULL, NULL, &save_stack_ops, trace);
- trace->entries[trace->nr_entries++] = ULONG_MAX;
+ if (trace->nr_entries < trace->max_entries)
+ trace->entries[trace->nr_entries++] = ULONG_MAX;
}
EXPORT_SYMBOL(save_stack_trace);