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Date:   Mon, 14 Sep 2020 16:37:06 -0700 (PDT)
From:   David Miller <>
Subject: Re: [Linux-kernel-mentees] [PATCH net v2] tipc: Fix memory leak in

From: Peilin Ye <>
Date: Sun, 13 Sep 2020 04:06:05 -0400

> tipc_group_add_to_tree() returns silently if `key` matches `nkey` of an
> existing node, causing tipc_group_create_member() to leak memory. Let
> tipc_group_add_to_tree() return an error in such a case, so that
> tipc_group_create_member() can handle it properly.
> Fixes: 75da2163dbb6 ("tipc: introduce communication groups")
> Reported-and-tested-by:
> Cc: Hillf Danton <>
> Link:
> Signed-off-by: Peilin Ye <>
> ---
> Change in v2:
>     - let tipc_group_add_to_tree() return a real error code instead of -1.
>       (Suggested by David Miller <>)

Applied and queued up for -stable, thank you.

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