linux-kernel - Re: [PATCH v2] perf/bpf: Don't call bpf_overflow

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Message-Id: 
 <172357022776.1707128.14984881703439045875.git-patchwork-notify@kernel.org>
Date: Tue, 13 Aug 2024 17:30:27 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Joe Damato <jdamato@...tly.com>
Cc: linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
 bpf@...r.kernel.org, peterz@...radead.org, andrii@...nel.org,
 mhiramat@...nel.org, olsajiri@...il.com, me@...ehuey.com, khuey@...ehuey.com,
 andrii.nakryiko@...il.com, stable@...r.kernel.org
Subject: Re: [PATCH v2] perf/bpf: Don't call bpf_overflow_handler() for tracing
 events

Hello:

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

On Tue, 13 Aug 2024 15:17:27 +0000 you wrote:
> From: Kyle Huey <me@...ehuey.com>
> 
> The regressing commit is new in 6.10. It assumed that anytime event->prog
> is set bpf_overflow_handler() should be invoked to execute the attached bpf
> program. This assumption is false for tracing events, and as a result the
> regressing commit broke bpftrace by invoking the bpf handler with garbage
> inputs on overflow.
> 
> [...]

Here is the summary with links:
  - [v2] perf/bpf: Don't call bpf_overflow_handler() for tracing events
    https://git.kernel.org/bpf/bpf/c/100bff23818e

You are awesome, thank you!
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