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-rw-r--r--kernel/trace/ring_buffer.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 3632ce87674..19cccc3c302 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -3846,6 +3846,9 @@ int ring_buffer_read_page(struct ring_buffer *buffer,
rpos = reader->read;
pos += size;
+ if (rpos >= commit)
+ break;
+
event = rb_reader_event(cpu_buffer);
size = rb_event_length(event);
} while (len > size);