netdev - Re: [PATCH bpf v3 0/3] Fix hash bucket overflow checks for 32-bit arches

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Date: Fri, 08 Mar 2024 04:10:29 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Toke Høiland-Jørgensen <toke@...hat.com>@codeaurora.org
Cc: ast@...nel.org, daniel@...earbox.net, davem@...emloft.net,
 kuba@...nel.org, hawk@...nel.org, john.fastabend@...il.com,
 andrii@...nel.org, martin.lau@...ux.dev, song@...nel.org,
 yonghong.song@...ux.dev, kpsingh@...nel.org, sdf@...gle.com,
 haoluo@...gle.com, jolsa@...nel.org, minhquangbui99@...il.com,
 brouer@...hat.com, netdev@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH bpf v3 0/3] Fix hash bucket overflow checks for 32-bit arches

Hello:

This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@...nel.org>:

On Thu,  7 Mar 2024 13:03:34 +0100 you wrote:
> Syzbot managed to trigger a crash by creating a DEVMAP_HASH map with a
> large number of buckets because the overflow check relies on
> well-defined behaviour that is only correct on 64-bit arches.
> 
> Fix the overflow checks to happen before values are rounded up in all
> the affected map types.
> 
> [...]

Here is the summary with links:
  - [bpf,v3,1/3] bpf: Fix DEVMAP_HASH overflow check on 32-bit arches
    https://git.kernel.org/bpf/bpf-next/c/281d464a34f5
  - [bpf,v3,2/3] bpf: Fix hashtab overflow check on 32-bit arches
    (no matching commit)
  - [bpf,v3,3/3] bpf: Fix stackmap overflow check on 32-bit arches
    https://git.kernel.org/bpf/bpf-next/c/7a4b21250bf7

You are awesome, thank you!
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