From: Wang ShaoBo bobo.shaobowang@huawei.com
hulk inclusion category: bugfix bugzilla: 31369 CVE: NA
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This reverts commit dd99d9a22a13b9a33dd829048cdf8fe4dc50556b. Following patches mainline has fixed this issue: 0188b87899ff ("kretprobe: Avoid re-registration of the same kretprobe earlier") 33b1d1466885 ("kprobes: Warn if the kprobe is reregistered")
Signed-off-by: Wang ShaoBo bobo.shaobowang@huawei.com Reviewed-by: Cheng Jian cj.chengjian@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- kernel/kprobes.c | 8 -------- 1 file changed, 8 deletions(-)
diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 60e7f181a97d3..91985ae1fe0b3 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -1979,14 +1979,6 @@ int register_kretprobe(struct kretprobe *rp) } }
- /* - * Return error if it's being re-registered, - * also give a warning message to the developer. - */ - ret = check_kprobe_rereg(&rp->kp); - if (WARN_ON(ret)) - return ret; - rp->kp.pre_handler = pre_handler_kretprobe; rp->kp.post_handler = NULL; rp->kp.fault_handler = NULL;