From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 3F2B952F65 for ; Mon, 25 Dec 2023 17:31:08 +0000 (UTC) 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-io1-f71.google.com with SMTP id ca18e2360f4ac-7b7fa6cba91so490812639f.1 for ; Mon, 25 Dec 2023 09:31:08 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703525467; x=1704130267; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=LFqI58q7VNYJmMslCgc+pTUxt4F8ra7+YSzIXJuw1CI=; b=N2GylGeCe+DKNyebnR0aQGziL7x2dinq30Wr6JiB+8E3wVJFdYBsP+Qf3f3cy0rP8g rMVIz9LfCHJEI3BwkYq8NHBv7AJHnURTTdVrAj3OEgDV0rwNaFim8Ev0sTtUTe/tTbV2 AO46sidcOY0WQdmRc3K8UHpPtntTBqTHfDdQpa6QK1K1X3srMHDXh0hxooiYlmOO6AsF e300OCXCrjgBV6t/gaAV41n6rXjir7kVvV+l76BSKbCvz6N6ChzrKS35M6JMD2mD6bSr +gdJ5/JRC0WROlnz6YsO2t7wXlhFMz60LZbAi7gXG+8IiuqhWTh3cIw4NJbPsxV+Y967 RYdQ== X-Gm-Message-State: AOJu0Yz/LxJTa7uKyfGBFJsERpxoQy1LP4+U/FYb5ltm9O0P2cqfSSjj AGFvMU8S3xN6TLNsG67Ya/P5HFBGAgjBIZgZ0cIiY27rOzJX X-Google-Smtp-Source: AGHT+IG150p2eMqab1PfIi2zECmHDFBS0UnssC+uKVBgIAlE5EIKxdwzS9Wj1PI8eSGg+CAuQ8PyuEKXFEI4yjrkYGt1uF1mvnCE Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c243:0:b0:35f:e976:3283 with SMTP id k3-20020a92c243000000b0035fe9763283mr613348ilo.2.1703525467494; Mon, 25 Dec 2023 09:31:07 -0800 (PST) Date: Mon, 25 Dec 2023 09:31:07 -0800 In-Reply-To: <000000000000e8099a060cee1003@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005b23dc060d58ee7a@google.com> Subject: Re: [syzbot] [perf?] WARNING in perf_event_open 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, netdev@vger.kernel.org, peterz@infradead.org, syzkaller-bugs@googlegroups.com, xrivendell7@gmail.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b Author: Peter Zijlstra Date: Wed Nov 29 14:24:52 2023 +0000 perf: Fix perf_event_validate_size() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=170e70cee80000 start commit: 5abde6246522 bpf: Avoid unnecessary use of comma operator .. git tree: bpf-next final oops: https://syzkaller.appspot.com/x/report.txt?x=148e70cee80000 console output: https://syzkaller.appspot.com/x/log.txt?x=108e70cee80000 kernel config: https://syzkaller.appspot.com/x/.config?x=8f565e10f0b1e1fc dashboard link: https://syzkaller.appspot.com/bug?extid=07144c543a5c002c7305 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14857e81e80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1126ac36e80000 Reported-by: syzbot+07144c543a5c002c7305@syzkaller.appspotmail.com Fixes: 382c27f4ed28 ("perf: Fix perf_event_validate_size()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection