This is a note to let you know that I've just added the patch titled bpf: Fix comment for helper bpf_current_task_under_cgroup() to the 5.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: bpf-fix-comment-for-helper-bpf_current_task_under_cgroup.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 1aef5b4391f0c75c0a1523706a7b0311846ee12f Mon Sep 17 00:00:00 2001 From: Song Liu <songliubraving@xxxxxx> Date: Thu, 10 Sep 2020 13:33:14 -0700 Subject: bpf: Fix comment for helper bpf_current_task_under_cgroup() From: Song Liu <songliubraving@xxxxxx> commit 1aef5b4391f0c75c0a1523706a7b0311846ee12f upstream. This should be "current" not "skb". Fixes: c6b5fb8690fa ("bpf: add documentation for eBPF helpers (42-50)") Signed-off-by: Song Liu <songliubraving@xxxxxx> Signed-off-by: Alexei Starovoitov <ast@xxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/bpf/20200910203314.70018-1-songliubraving@xxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- include/uapi/linux/bpf.h | 4 ++-- tools/include/uapi/linux/bpf.h | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -1294,8 +1294,8 @@ union bpf_attr { * Return * The return value depends on the result of the test, and can be: * - * * 0, if the *skb* task belongs to the cgroup2. - * * 1, if the *skb* task does not belong to the cgroup2. + * * 0, if current task belongs to the cgroup2. + * * 1, if current task does not belong to the cgroup2. * * A negative error code, if an error occurred. * * int bpf_skb_change_tail(struct sk_buff *skb, u32 len, u64 flags) --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -1294,8 +1294,8 @@ union bpf_attr { * Return * The return value depends on the result of the test, and can be: * - * * 0, if the *skb* task belongs to the cgroup2. - * * 1, if the *skb* task does not belong to the cgroup2. + * * 0, if current task belongs to the cgroup2. + * * 1, if current task does not belong to the cgroup2. * * A negative error code, if an error occurred. * * int bpf_skb_change_tail(struct sk_buff *skb, u32 len, u64 flags) Patches currently in stable-queue which might be from songliubraving@xxxxxx are queue-5.4/bpf-fix-comment-for-helper-bpf_current_task_under_cgroup.patch