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Date:   Fri, 31 Jul 2020 17:20:13 -0700 (PDT)
From:   David Miller <>
Subject: Re: pull-request: bpf 2020-07-31

From: Daniel Borkmann <>
Date: Fri, 31 Jul 2020 15:51:45 +0200

> The following pull-request contains BPF updates for your *net* tree.
> We've added 5 non-merge commits during the last 21 day(s) which contain
> a total of 5 files changed, 126 insertions(+), 18 deletions(-).
> The main changes are:
> 1) Fix a map element leak in HASH_OF_MAPS map type, from Andrii Nakryiko.
> 2) Fix a NULL pointer dereference in __btf_resolve_helper_id() when no
>    btf_vmlinux is available, from Peilin Ye.
> 3) Init pos variable in __bpfilter_process_sockopt(), from Christoph Hellwig.
> 4) Fix a cgroup sockopt verifier test by specifying expected attach type,
>    from Jean-Philippe Brucker.
> Please consider pulling these changes from:
>   git://


> Note that when net gets merged into net-next later on, there is a small
> merge conflict in kernel/bpf/btf.c between commit 5b801dfb7feb ("bpf: Fix
> NULL pointer dereference in __btf_resolve_helper_id()") from the bpf tree
> and commit 138b9a0511c7 ("bpf: Remove btf_id helpers resolving") from the
> net-next tree.
> Resolve as follows: remove the old hunk with the __btf_resolve_helper_id()
> function. Change the btf_resolve_helper_id() so it actually tests for a
> NULL btf_vmlinux and bails out:

Noted, thank you.

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