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Wed, 28 Jan 2026 01:15:47 -0800 (PST) From: Qing Wang To: peterz@infradead.org Cc: acme@kernel.org, adrian.hunter@intel.com, alexander.shishkin@linux.intel.com, irogers@google.com, jolsa@kernel.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, mark.rutland@arm.com, mingo@redhat.com, namhyung@kernel.org, syzbot+72a43cdb78469f7fbad1@syzkaller.appspotmail.com, syzkaller-bugs@googlegroups.com, wangqing7171@gmail.com Subject: Re: [syzbot] [perf?] WARNING: suspicious RCU usage in get_callchain_entry Date: Wed, 28 Jan 2026 17:15:38 +0800 Message-Id: <20260128091538.1892516-1-wangqing7171@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260128085200.GE3372621@noisy.programming.kicks-ass.net> References: <20260128085200.GE3372621@noisy.programming.kicks-ass.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Wed, 28 Jan 2026 at 16:52, Peter Zijlstra wrote: > This is just papering over more bugs. There was a series out there > somewhere trying to fix up this code, let me see if I can find it in > this shitshow called an inbox :/ Thank you for reminding me. I found that fix you said. https://lore.kernel.org/bpf/fb745675-e25c-4dcc-be4b-4a4411056755@linux.dev/T/#mf901967ebe77506f1bd6e3d876c2a85824d9519d Let's ignore this patch :) -- Best regards, Qing