From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 1C30E156661 for ; Tue, 19 Nov 2024 10:36:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732012564; cv=none; b=na8tVbYKpUdepL+4dj++HqsQpw80s331eVuOK8rLnKTdE/DooHLdJpVTE8Nn9bkLd7FyuVtsOpvPnc5AJeTr9bpThJxsf0h/7C0FAx5wuBflJLjLrDtSwA4v/E5D0W5lb7mFNBEuiMxjjmWGUJmbXHXUMnRtJdF41DbDZQEwnZI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732012564; c=relaxed/simple; bh=xUwo3wZZYVQWLtQgSzxfVN3DRvFAYHr7FOk4PHNEuEg=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=BJb5plbhfsC5qMl53QWwMEb3L/3gXXeNOklv/U14DLX+bPZx1xbSFyYqvJSTBNj+Q/6xbl5qZz7k2cRga4k7zTImc+mK2HLjQ34lpsYlvXwsPuLvqD+Wpn6MtKbtEpwvRXZ5vhpeGpQBEJtzP5t9KY71SklvwEL83dgofJDJW2s= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-3a75c23283cso23272205ab.0 for ; Tue, 19 Nov 2024 02:36:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1732012562; x=1732617362; 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=amgwMc6OTFsPhBoe0UDa+e6OjKCPctPlX9BP3lpk4Tw=; b=lPM3lpzniu1EGdwXbXayRQZtCuDkTjwv/OkkC3BqO07vOlZRGhDF0RTAa4ZC5F16re Y+MERyiuE46aYdv6s0rbGuFEv2+tCk4wWVYgGK9tk0lW778phlo2z5+PTKoGRGjI2rXl RaKoBtrOqgpM/sa/eZJN3Ht62jk9wmCLlXXbdSQ84UWDyP+mPWpdolXp+Ws5rLUO7Gzu 6XOhStNm7NyI4NlhPrKvcqNw5YYogMY1kEBzimWzlCdK5wmsuEmzCNsp5LdAOxrPf89W m8uSdlcNFu8WQkpxyEFxNJyA2gLh/Qs3LXeiFiDnbJ68R0YLgqWKDb9DgHVxWX/cHtFG 4IlA== X-Forwarded-Encrypted: i=1; AJvYcCV6NOQBIniU9Xxko+Udmi14pcRc3A9tY4kXZGtYGy9THdaMppKWT6xF27XkRgjdU6oFVZ8dNNRFFVLpEfI=@vger.kernel.org X-Gm-Message-State: AOJu0YxJMlEIwIccGtH1IHD0cyPFbdaBwR7sQFjLGXip4BoAetSAa2IT mKfJxu6A5HqGWnH7E3kLFAmaUz/Szu+0oPujczFG938eqzVOJYd1JRlYNsHjcdko8fuhAoXGJsc XmLKL7uNh6Ap5JNT6ImxTFkt4b1jL0BWF3OyhiDxKizQ8iF9ZjdBO53k= X-Google-Smtp-Source: AGHT+IH4JLOB68J0WVaAms5rG1fSqmbBp652LVCd0s1VSCK1MCwu0N8T0U23tdmatWrAyYwbPaOyDlt2vvijnxc840hCL2uU9PNO Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a65:b0:3a7:4382:668e with SMTP id e9e14a558f8ab-3a77738fb96mr20777805ab.2.1732012562296; Tue, 19 Nov 2024 02:36:02 -0800 (PST) Date: Tue, 19 Nov 2024 02:36:02 -0800 In-Reply-To: <673b6aec.050a0220.87769.004a.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <673c6a12.050a0220.87769.006b.GAE@google.com> Subject: Re: [syzbot] [keyrings?] [lsm?] KASAN: slab-use-after-free Read in key_put From: syzbot To: dhowells@redhat.com, jarkko.sakkinen@kernel.org, jarkko@kernel.org, jmorris@namei.org, keyrings@vger.kernel.org, lhenriques@suse.de, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, paul@paul-moore.com, serge@hallyn.com, surajsonawane0215@gmail.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 9578e327b2b4935a25d49e3891b8fcca9b6c10c6 Author: Luis Henriques Date: Tue Jan 30 10:13:44 2024 +0000 keys: update key quotas in key_put() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10821bf7980000 start commit: adc218676eef Linux 6.12 git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=12821bf7980000 console output: https://syzkaller.appspot.com/x/log.txt?x=14821bf7980000 kernel config: https://syzkaller.appspot.com/x/.config?x=55f8591b98dd132 dashboard link: https://syzkaller.appspot.com/bug?extid=6105ffc1ded71d194d6d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12dbbb5f980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11c672e8580000 Reported-by: syzbot+6105ffc1ded71d194d6d@syzkaller.appspotmail.com Fixes: 9578e327b2b4 ("keys: update key quotas in key_put()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection