From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B430C2D0BF for ; Mon, 16 Dec 2019 07:52:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0B1D820725 for ; Mon, 16 Dec 2019 07:52:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726798AbfLPHwL (ORCPT ); Mon, 16 Dec 2019 02:52:11 -0500 Received: from mail-il1-f199.google.com ([209.85.166.199]:46361 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726054AbfLPHwK (ORCPT ); Mon, 16 Dec 2019 02:52:10 -0500 Received: by mail-il1-f199.google.com with SMTP id s85so5859040ild.13 for ; Sun, 15 Dec 2019 23:52:08 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=/SUc6L9CEGTC6EK9DhB6P/6ByCfTnI7ryM7zsKSq2Yo=; b=fhPV4J4iFUzfhUj3BnvLgxRFFR81UhznuiL3wWnRNnHgTzInc7DxtMhisLCKdUvK02 AWfgvPXkCl0gQlRj27qWJZzNcl+7kRFjr0Vn0qgX/xmubRjGz1tkeIr8DlZFXvIXyNdJ Cvc8lK4W5GIhxC9ajxbLX+5LS2TmKMhnDLZNzpisDPmh33BnZ4BhjDBzYyXF6ccHVw6+ RhYz1fEOiUXNR2iffqskYPvXbknPapumuUjyYuMw7Zyf3JjjZKh0Qt7vr5P7woA0xS+e RqgHs5q9j5BlcEfnbAl2xmo30h1iSBE7d+NLJhsD4oQbX+uuIv17RlXHW0Kk3PuvLKAg RAWA== X-Gm-Message-State: APjAAAUobej2DjAEiEGy64dxfQ/wvZxqZFU+01SzLv+CSofAs+B3y9f+ +RgQ56/xTUgkskDA89nI3SF8lPj04kQOiItGgiaufctJh1Yb X-Google-Smtp-Source: APXvYqzw3Jy5wWYhvIcHtkV9KjuZFfCXkESDGPp/aVBkPUsGuhs34omo7If4I8wqh/sCN4Z2aEuFnpAuM+C2TEVM07ISqow0YtNZ MIME-Version: 1.0 X-Received: by 2002:a92:3b98:: with SMTP id n24mr10933075ilh.189.1576482728132; Sun, 15 Dec 2019 23:52:08 -0800 (PST) Date: Sun, 15 Dec 2019 23:52:08 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000147a30599cd7d93@google.com> Subject: general protection fault in _initial_num_blocks_is_ADDR From: syzbot To: bp@alien8.de, davem@davemloft.net, herbert@gondor.apana.org.au, hpa@zytor.com, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 07c4b9e9 Merge tag 'scsi-fixes' of git://git.kernel.org/pu.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1049e3dee00000 kernel config: https://syzkaller.appspot.com/x/.config?x=79f79de2a27d3e3d dashboard link: https://syzkaller.appspot.com/bug?extid=b9cab61577c8d0a3c48e compiler: gcc (GCC) 9.0.0 20181231 (experimental) Unfortunately, I don't have any reproducer for this crash yet. IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+b9cab61577c8d0a3c48e@syzkaller.appspotmail.com kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 26867 Comm: kworker/u4:3 Not tainted 5.5.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: pencrypt_parallel padata_parallel_worker RIP: 0010:_initial_num_blocks_is_017529+0x2f7/0x3e1 Code: 00 00 c4 e2 71 dd c8 c4 e2 69 dd d0 c4 e2 61 dd d8 c4 e2 59 dd e0 c4 e2 51 dd e8 c4 e2 49 dd f0 c4 e2 41 dd f8 c4 62 39 dd c0 21 7a 6f 24 19 c4 c1 71 ef cc c4 a1 7a 7f 0c 1a c4 21 7a 6f 64 RSP: 0018:ffffc90004ed7680 EFLAGS: 00010206 RAX: 0000000000000010 RBX: 0000000000000f80 RCX: 0005088000000080 RDX: ffff888066da800d RSI: ffffc90004ed78f0 RDI: ffff888062285850 RBP: ffffc90004ed7b20 R08: 0000000000000f80 R09: 000000000000000d R10: 0000000000000080 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000f80 R14: ffffc90004ed7728 R15: 0000000000004000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d333000 CR3: 0000000094a09000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gcmaes_encrypt arch/x86/crypto/aesni-intel_glue.c:840 [inline] generic_gcmaes_encrypt+0x10d/0x160 arch/x86/crypto/aesni-intel_glue.c:1019 crypto_aead_encrypt+0xaf/0xf0 crypto/aead.c:94 simd_aead_encrypt+0x1a6/0x2b0 crypto/simd.c:335 crypto_aead_encrypt+0xaf/0xf0 crypto/aead.c:94 pcrypt_aead_enc+0x19/0x80 crypto/pcrypt.c:76 padata_parallel_worker+0x28f/0x470 kernel/padata.c:81 process_one_work+0x9af/0x1740 kernel/workqueue.c:2264 worker_thread+0x98/0xe40 kernel/workqueue.c:2410 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 26867 at kernel/locking/mutex.c:1419 mutex_trylock+0x279/0x2f0 kernel/locking/mutex.c:1427 --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.