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Mon, 29 Apr 2024 07:06:32 -0400 (EDT) Date: Mon, 29 Apr 2024 13:06:29 +0200 From: Greg KH To: Thadeu Lima de Souza Cascardo Cc: stable@vger.kernel.org, Steven Rostedt , linux-trace-kernel@vger.kernel.org Subject: Re: [PATCH 5.15,5.10,5.4,4.19 0/2] Fix warning when tracing with large filenames Message-ID: <2024042923-attribute-brunt-15b5@gregkh> References: <20240424222010.2547286-1-cascardo@igalia.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240424222010.2547286-1-cascardo@igalia.com> On Wed, Apr 24, 2024 at 07:20:07PM -0300, Thadeu Lima de Souza Cascardo wrote: > The warning described on patch "tracing: Increase PERF_MAX_TRACE_SIZE to > handle Sentinel1 and docker together" can be triggered with a perf probe on > do_execve with a large path. As PATH_MAX is larger than PERF_MAX_TRACE_SIZE > (2048 before the patch), the warning will trigger. > > The fix was included in 5.16, so backporting to 5.15 and earlier LTS > kernels. Also included is a patch that better describes the attempted > allocation size. All now queued up, thanks. greg k-h