From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f71.google.com (mail-oo1-f71.google.com [209.85.161.71]) (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 9539A37E30D for ; Wed, 4 Mar 2026 04:06:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772597166; cv=none; b=MgPrTt0ll6WMxwReQe84SHyiVbmlsYaru/0/yLM/xLtokUSAKOsDHueX6SujXteR0wAuxQq1t8mJ/es6d4qXkztVww4akdspEV9nDVwNukCCAahKxALkzfCjXUHTrqromq1PjG/xCs+tCxz/PSX78+AiLw5TD/5JLGfQqZNjOgk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772597166; c=relaxed/simple; bh=E3yOXFpHFMVo1rQzne+t2fIYKkJ6q3EsFjm9i4zgg9Q=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=O2VZzUVPHy8R8K1N5nyrGf9jEr8HFUxK+jBpkJLb/qA8SIqrvbKEKMm5tzN7qSZlPh1TpInt8ar/WKTdiyG5vMEIahJp0SeVKzLWk9k6OpPv6oZ5z+XjLWRtamDs+WCD/+w3EKnrwr7+cLwzsZRujVsq1pGYIGbaQzlVGIrm2G4= 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=209.85.161.71 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-oo1-f71.google.com with SMTP id 006d021491bc7-679862e4413so107690618eaf.0 for ; Tue, 03 Mar 2026 20:06:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772597164; x=1773201964; 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=ojGB38lgnWdZk41nYibXtYMqngkgjRaH3FwY1gAyu8g=; b=lxfM5NlBcHtKO8hbazMXwLK6LionPJGfrhKgC7FyE9fal+w3VpD6uCXrfqpIdAAkxp jfClI5lNn5Y2U2xa/KJsmADPRslBKig+9WAD0Tk5r9nRpMXHXYDczAud9d1ivmcmU90R W7NBUrc9CQ4DitPA+BRTEw+nJqiAktdTT8g8+bkbOh0RK5Z1B6RJffctxsVc/0Yc7Vk2 cMtg0PDB+Y+kEvtfEI3KKQ9x2kxBK+FMK7IZTfGp1+BE4sJ+1LZ1dQX4PZI9QqlTdYg2 PNU/P9U83hdnxFb+lGbnUxxqtzb6R4VX5egvJO+czVbPJlIqIKeXnd43VCBB7Gi3uwAI kXtA== X-Forwarded-Encrypted: i=1; AJvYcCXmCikzp/MvlG3zHDw0ePE+GCxAG97gpAxqocnfdUEA8kpHrh8L8cJ+70NMPgPub3rciuk=@vger.kernel.org X-Gm-Message-State: AOJu0Yx3S33LD8JL40vwX/L+d82N0wli3TSJmXHaRPjbhi3TxGEEFAak khFXcX3WYe4OQQ0/ss7TICzlTjwx46w3kRKxe9hVWPy1iYrbhJ8yhjtfGYzSmk9TcHKf3+tC5C0 NqIv5xEY2DUBTaKJ/rwJFN5HOaEsNaZWdcjutP/A5CfDxtsfJdZe21m6D7BI= Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1795:b0:679:9873:5e86 with SMTP id 006d021491bc7-67b1e90f718mr518319eaf.61.1772597164625; Tue, 03 Mar 2026 20:06:04 -0800 (PST) Date: Tue, 03 Mar 2026 20:06:04 -0800 In-Reply-To: <20260304033822.107697-1-wangqing7171@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69a7afac.a70a0220.135158.000f.GAE@google.com> Subject: Re: [syzbot] [bpf?] [trace?] KASAN: slab-use-after-free Read in bpf_trace_run9 From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, eddyz87@gmail.com, haoluo@google.com, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, martin.lau@linux.dev, mathieu.desnoyers@efficios.com, mattbobrowski@google.com, mhiramat@kernel.org, rostedt@goodmis.org, sdf@fomichev.me, song@kernel.org, syzkaller-bugs@googlegroups.com, wangqing7171@gmail.com, yonghong.song@linux.dev 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+b4c5ad098c821bf8d8bc@syzkaller.appspotmail.com Tested-by: syzbot+b4c5ad098c821bf8d8bc@syzkaller.appspotmail.com Tested on: commit: 0031c068 Merge tag 'cgroup-for-7.0-rc2-fixes' of git:/.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1434f0ba580000 kernel config: https://syzkaller.appspot.com/x/.config?x=c5c49ee0942d1cdb dashboard link: https://syzkaller.appspot.com/bug?extid=b4c5ad098c821bf8d8bc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=17e5bb5a580000 Note: testing is done by a robot and is best-effort only.