netdev - Re: [PATCH bpf-next] bpf: Fix race between btf_put and btf

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Message-Id: <168208742020.30048.9386706017347251927.git-patchwork-notify@kernel.org>
Date:   Fri, 21 Apr 2023 14:30:20 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     davem@...emloft.net, daniel@...earbox.net, andrii@...nel.org,
        martin.lau@...nel.org, fw@...len.de, eddyz87@...il.com,
        davemarchevsky@...a.com, netdev@...r.kernel.org,
        bpf@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH bpf-next] bpf: Fix race between btf_put and btf_idr walk.

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@...earbox.net>:

On Thu, 20 Apr 2023 18:49:01 -0700 you wrote:
> From: Alexei Starovoitov <ast@...nel.org>
> 
> Florian and Eduard reported hard dead lock:
> [   58.433327]  _raw_spin_lock_irqsave+0x40/0x50
> [   58.433334]  btf_put+0x43/0x90
> [   58.433338]  bpf_find_btf_id+0x157/0x240
> [   58.433353]  btf_parse_fields+0x921/0x11c0
> 
> [...]

Here is the summary with links:
  - [bpf-next] bpf: Fix race between btf_put and btf_idr walk.
    https://git.kernel.org/bpf/bpf-next/c/acf1c3d68e9a

You are awesome, thank you!
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