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upstream commit 2ad49887150894b9ed6a87a76b409adceee6b074 Motivated from the commit, I found that cleaner_kthread() and transaction_kthread() can result similar error since these two function can exit even though kthread_should_stop() is not true. In order to resolve the bug, break statements are changed into continue statements in order to wait until kthread_should_stop() becomes true. ---

Hello. I am reporting an atomic instructions usage which seem be racy at fs/ocfs2/cluster/heartbeat.c in Linux 2.6.35. I am reporting this issue while I read the recent code. Since I do not have much background, I am not certain whether it is correct or not. But I hope this report is helpful. Please examine the code. In o2hb_heartbeat_group_drop_item(), there are following codes: 1626