From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 E38771FE455 for ; Wed, 5 Feb 2025 18:53:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738781586; cv=none; b=W51ExJBaiN0TT+1Nktbm9pY/4sUaa0NcuCmpna4i5zMPHQVDORIk+8iRdIQ4Y+bfc5REKsJ8mkSMMv1BbU1kBS7dWCoxNbeP2AoM17EMjKnZgDoOkAbzye5Wm5Y6c9qyrBo3DGun2hPxfmG0YrNXo8+3+RTlkVVDP9TnqtkoyzU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738781586; c=relaxed/simple; bh=tARMrWWTRtWys8PMKiHPgERjW0g1foV2+Wk2DGBu0Eo=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=JNXyCbDMT75+0bHN46CQLadtqh4OVHod8HKCP4u4dw4XQnToaM7pxonevUImk8hu8NbZaVWUJBeLIVTxDOoFRM49dr/0ebMp8rdu9vVy/tqio02OXh/uMOcfH1iWP4nT6auW9VM4CRQFRyHN2e3ZFQcTPF4kcv2rOwcf8RWlJNc= 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=209.85.166.197 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-il1-f197.google.com with SMTP id e9e14a558f8ab-3d052db03a6so496015ab.0 for ; Wed, 05 Feb 2025 10:53:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738781583; x=1739386383; 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=qDYV7j+0Ng3pBdeYSpKXURozsltAjUJSfrXA0FKOfCI=; b=RMIUifuf4BY0b3FHhRg9ovm4i9IY4/mdUiY8PnZbaSITPj32Ii87sI78ibzeobwFEl QkScQz0TKVW7qvjPVRGMnyFlJ1MvCRN5LMkiywQIAR0Wy2Nbw33Nh4vvoMzYJmS9hRX6 SHzIXw0O/FdB6STQKsNEwpJPmdGYOufR6nwOeGmlWI4TZJJScRngsqZ2/E0GequYVZye 7qH0jq+bYGd2Fpnih/IKMXAudThV8Vg2OKXrOPH33yOlQyZYNh6evJoIB5V+015trEU7 TElT6QMW2IB/exs4ZzlQr1VZlnvy2mD00JvcdinCD/J76EOydL1jG6MZMonVgj3dvrUX it7w== X-Forwarded-Encrypted: i=1; AJvYcCUn8g0vrOlaCjVxlATjok/CV7v3dp2q59z+2mTKbSWWkYq7FI22JvTY/JK5etnljFgaXYDFiECu2vmMr+IejGA=@vger.kernel.org X-Gm-Message-State: AOJu0Yz786LCe5CdIqd888w6jGjpLJgTsafhiOBHTkJnagL/7oUapgFz ra2cwubNTSWC4wBrsyqNgY8C3BWPNDGNFtuL/xwhnKMOAp+zKQS6M2/QyFCt1tTdTy5Cj1lKOVk zMwWj87dHwrlehoRd6c+DpEBrsWIgKhTS+50leZLZN4J4Ar1cm5UHcUM= X-Google-Smtp-Source: AGHT+IEhJWeKOTmZ9PeHLjWCvfpb95n3CovTNjj5uKj5kahddtxpg7508wvgYjmxvMuvxjeEDXYHbYA+oqxj3rTamLCovc/dIMjw Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:218f:b0:3d0:2a04:1ce2 with SMTP id e9e14a558f8ab-3d04f917778mr32567125ab.16.1738781583104; Wed, 05 Feb 2025 10:53:03 -0800 (PST) Date: Wed, 05 Feb 2025 10:53:03 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67a3b38f.050a0220.19061f.05ea.GAE@google.com> Subject: Re: [syzbot] [hardening?] [mm?] BUG: bad usercopy in vfs_readlink From: syzbot To: akpm@linux-foundation.org, brauner@kernel.org, gustavoars@kernel.org, jack@suse.cz, kees@kernel.org, linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mjguzik@gmail.com, syzkaller-bugs@googlegroups.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+48a99e426f29859818c0@syzkaller.appspotmail.com Tested-by: syzbot+48a99e426f29859818c0@syzkaller.appspotmail.com Tested on: commit: 92514ef2 Merge tag 'for-6.14-rc1-tag' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1770beb0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=207eb10d2de1b054 dashboard link: https://syzkaller.appspot.com/bug?extid=48a99e426f29859818c0 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=16dde318580000 Note: testing is done by a robot and is best-effort only.