From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f70.google.com (mail-oa1-f70.google.com [209.85.160.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D959D3AEF2E for ; Wed, 12 Aug 2026 08:15:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786522504; cv=none; b=Vp+BsOe78GjH4n+ToJ9JcJHNL3T4ah/CYNPUmPnCMigRnV1u5XmuSOtFpkfwmlDWVe0OEatVoQc/sxaVC5Q+rb7ZE/9rVU+DCRAUowmHHoFubLKN22Ect9y5XEfW/Uep649mXSJpUgLcneu/QBCcWdQS/XtAybrvgfKcK/J4dYE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786522504; c=relaxed/simple; bh=1IZrA27vBWPsH9TyEvIMAEhdutCAtPosabk0WCXlXHw=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=WkXmGqmPW1HEsH+cNT5o67KLkWFDKV5VmXiEicX9+yu2NXeH6lnp+cdPgkxmtQ0nOWBG082IwbLDs2EGLHx5uFXH0uuoY6NVacv7g/hg0CKjl2ySZeVpW9308E0s5Uh0uCHXKNfkuBjb2jhvIGr8uD6keFfRonirEmWWpd6fp9Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.160.70 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oa1-f70.google.com with SMTP id 586e51a60fabf-44d0960fb5bso563783fac.2 for ; Wed, 12 Aug 2026 01:15:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786522501; x=1787127301; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=sje59A0L5pfuYt/lmCG6NQfH7lf5EC+6ZQFTCeyZXrY=; b=hmtA593KurSnj4FfhS/I9tRYPmLsCrEtwhy4nxuQI3Djbr9BKqnMRMr/NZuqn8NmyK J59A+62n4J3nh1sSL2EWQoAH5oJBrDFcNPoW1jLSyVqza/qUvk9WE+5Vqdx4GMiptqqg HH3Inwg5CmtZosgukDHrv/Jl4KV0x+kIhsd2HxZIanaA4AapNZQ0wHuL9bckYZSDBSZw SNuq6lFvGRc2/wUR6v1T7NBK7+9IoM16ZxGgve8Uc5BZlozMZTH3DVGLC4RPk0DjNz3g 2wZ29qGTkbxeg/y8eLcE6lLjXATJ/wGQ0bCWTMWPnPV2PEy4PK5TAQYJTOh8H6Sf/duX MV4g== X-Forwarded-Encrypted: i=1; AHgh+Ro9O/x5P7bHElXoKV2N4m8k4tc51AWccOqVsmf6HBc4udQKWpAUTX3L7kEB7owNqSN92/784K3HQqQTTb4=@vger.kernel.org X-Gm-Message-State: AOJu0Ywzk0/KdHrAytMDiO2fC/t3v/MjXmoUtUPbGnz6C4gYL4iUgSFH gz1/9BXhk6EiVc8gc12rTNw5elO+gMZcUzmf9+6VBvtrnM/iDaEk84cfnOVWPF5tfoWrE5Tjd6R u/CZm1FZQ3rZhHjNq+Zx3bAYef6+DP8IRe5j/UWq5NRiqysUDhJrdBz5YRRw= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:319b:b0:495:feaa:9e3b with SMTP id 5614622812f47-4b2109c08ccmr2877535b6e.7.1786522501811; Wed, 12 Aug 2026 01:15:01 -0700 (PDT) Date: Wed, 12 Aug 2026 01:15:01 -0700 In-Reply-To: <20260812071231.201931-1-wangqing7171@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a7c2b85.d5f0ebe7.22d851.0009.GAE@google.com> Subject: Re: [syzbot] [perf?] WARNING: suspicious RCU usage in get_callchain_entry From: syzbot To: 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, peterz@infradead.org, syzkaller-bugs@googlegroups.com, wangqing7171@gmail.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+72a43cdb78469f7fbad1@syzkaller.appspotmail.com Tested-by: syzbot+72a43cdb78469f7fbad1@syzkaller.appspotmail.com Tested on: commit: f5bbbfec Merge tag 'probes-fixes-v7.2-rc7' of git://gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17a47132580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d07fbc6821d72a61 dashboard link: https://syzkaller.appspot.com/bug?extid=72a43cdb78469f7fbad1 compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 patch: https://syzkaller.appspot.com/x/patch.diff?x=1604b479580000 Note: testing is done by a robot and is best-effort only.