From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f70.google.com (mail-ot1-f70.google.com [209.85.210.70]) (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 4E04632939E for ; Mon, 5 Jan 2026 09:58:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767607085; cv=none; b=YBpsWlA12Ox26FWtSz0VE0zUGvr6HhvcK5WUPPCLAFSZ8jWSc9JI0MrPzcZfqLSxveXEP7ABHi+R8uNG/q+rkBY9xIN3MXZ5tS/QumUs32BRO6goM7MkhJCEGvxAANOb9LTbxW/h/7Xeh1hEiL9yry6Um2/nyZXbRN4duhg4t5s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767607085; c=relaxed/simple; bh=HkOv+wAGL1Dq64KlQJMKTjRGPPlR5TSIpg2gbL/5vnw=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=OpFQ4Fw5OWR2nvZoIhZ1teyziNIp9EkOwdiepoyd+Y0UKTRDf0FYaTf2qMCiUvhs712uF1pLN5/CQNezMKinr2LhvEdBzY7nbjdLjIfBsa8EQU+z/TKJ5ReOpccjjyqxLbCb8aZxJfJ64XltVas/6dXxzW5Yj7LkIG7kxCP1jKM= 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=209.85.210.70 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-ot1-f70.google.com with SMTP id 46e09a7af769-7c70546acd9so33744007a34.3 for ; Mon, 05 Jan 2026 01:58:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767607082; x=1768211882; 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=QDGmjMaHgnZwwAqDdlQy6B4Ob7QJflg+s9wTsqFHJ2E=; b=g+jlQpTfn7GlBUP907n3MmFILMc8zCrAatb1arlOKvLOCHOdJ48cUJsb0k29kYNN10 DtkK1QsrttU2l9ED6e7Zi3GWTtMPQL7wU30Bbs8c01toOMwq/JyPtPXZlD+d12EakOGz XXY6I4BLSG7q8q4IPNsWfLuUJ/VZumKzPjMoSdMvOYSnMyxFLo3II9SpgMU9m/3bBx+s IhHG50I4KL8xETIroJP113pca61nuHvqw9btiWoP0entsSrqZOLsJ9T7tQ1i8R3Z5sfQ pf8/ZS1iq5jFSft/70Ixc3UPob/e/pIrhJTgyECDkpceB1rD4/9z0FEeTgzz6PTvdseC djew== X-Forwarded-Encrypted: i=1; AJvYcCXj2JwvrUPid7YH3KzBg4/y0I+G5h+KB5YA3NjyNlXJHH2ePkBeXrv7ZbEZTEOpgHoMElrVhxeerDA++Ps=@vger.kernel.org X-Gm-Message-State: AOJu0YzW1gcLZIQlU53oWDVJ8e7YbaOXoBgQS/W8WKruWEWU3nC2DZ86 I04ixNxKpPSw6YLJIEhOqvQlwlJwK8ms6V+4cYtzhvPAykRCNrltQ3HqfC+ykgXMOw3mxzFqgDa fHclPgwbsySL+EvmxNx92QFAFe6davkcKQeC1NG0J4BlcOl3TWZboXUD1Dow= X-Google-Smtp-Source: AGHT+IHp1Iokdt1C1OpMO5MYFyiTIFq/unOeK2efM0UBFldfFzcjBM4b2J6affPRU5gF5OT28seal58My4+2OvzLg+1gFGRm9W7g Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a4a:b808:0:b0:659:9a49:8ead with SMTP id 006d021491bc7-65d0eb2eed6mr16225489eaf.49.1767607081903; Mon, 05 Jan 2026 01:58:01 -0800 (PST) Date: Mon, 05 Jan 2026 01:58:01 -0800 In-Reply-To: <6888afe6.050a0220.f0410.0005.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <695b8b29.050a0220.1c9965.002c.GAE@google.com> Subject: Re: [syzbot] [fs?] KASAN: slab-use-after-free Read in driver_remove_file From: syzbot To: abbotti@mev.co.uk, dakr@kernel.org, eadavis@qq.com, gregkh@linuxfoundation.org, hdanton@sina.com, hsweeten@visionengravers.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, rafael@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 72262330f7b3ad2130e800cecf02adcce3c32c77 Author: Ian Abbott Date: Thu Oct 23 12:31:41 2025 +0000 comedi: c6xdigio: Fix invalid PNP driver unregistration bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13622e9a580000 start commit: 3b08f56fbbb9 Merge tag 'x86-urgent-2025-09-20' of git://gi.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=8f01d8629880e620 dashboard link: https://syzkaller.appspot.com/bug?extid=a56aa983ce6a1bf12485 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15571534580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=152f7e42580000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: comedi: c6xdigio: Fix invalid PNP driver unregistration For information about bisection process see: https://goo.gl/tpsmEJ#bisection