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authorMuchun Song <songmuchun@bytedance.com>2020-09-18 21:20:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-09-19 13:13:38 -0700
commitb0399092ccebd9feef68d4ceb8d6219a8c0caa05 (patch)
tree5a6b967d59f010bcb5a4ca67c9a8e8f1314c0e4a /.get_maintainer.ignore
parentbb3e96d63eb75a2f4ff790b089f6b93614c729a1 (diff)
kprobes: fix kill kprobe which has been marked as gone
If a kprobe is marked as gone, we should not kill it again. Otherwise, we can disarm the kprobe more than once. In that case, the statistics of kprobe_ftrace_enabled can unbalance which can lead to that kprobe do not work. Fixes: e8386a0cb22f ("kprobes: support probing module __exit function") Co-developed-by: Chengming Zhou <zhouchengming@bytedance.com> Signed-off-by: Muchun Song <songmuchun@bytedance.com> Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: "Naveen N . Rao" <naveen.n.rao@linux.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: David S. Miller <davem@davemloft.net> Cc: Song Liu <songliubraving@fb.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: <stable@vger.kernel.org> Link: https://lkml.kernel.org/r/20200822030055.32383-1-songmuchun@bytedance.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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