[PATCH OLK-6.6] sched: programmable: Allow set tag for pid 1.

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9NQM5 CVE: NA

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Fixes: 34239429b125 ("sched: programmable: Add user interface of task tag") Signed-off-by: Hui Tang tanghui20@huawei.com --- fs/proc/base.c | 5 ----- 1 file changed, 5 deletions(-)

diff --git a/fs/proc/base.c b/fs/proc/base.c index 78f41a207767..d6d3b9f55f46 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -3773,11 +3773,6 @@ static ssize_t pid_tag_write(struct file *file, const char __user *buf, if (!tsk) return -ESRCH;

- if (unlikely(tsk->pid == 1)) { - err = -EPERM; - goto out; - } - err = kstrtol_from_user(buf, count, 0, &tag); if (err) goto out;