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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 CCC6BC7618B for ; Thu, 25 Jul 2019 05:32:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9D6162190F for ; Thu, 25 Jul 2019 05:32:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403770AbfGYFcJ (ORCPT ); Thu, 25 Jul 2019 01:32:09 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:34822 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403747AbfGYFcI (ORCPT ); Thu, 25 Jul 2019 01:32:08 -0400 Received: by mail-io1-f70.google.com with SMTP id w17so53685171iom.2 for ; Wed, 24 Jul 2019 22:32:08 -0700 (PDT) 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=yWsDlW6MgpAkPWsLf6FB7GE416qtqNMSo5lG6bK7/0I=; b=IPF7n/CBxA0+qNdrwR8iw+bYxBaw0BTxTgsE8k/l9HdxmlZdvt7IJIHdB090TnuFgt ZKEDIEHi3hRXtLRilhljUXhM617YVqtYn1te5Prl+T198ZfV9OujZEEAu+2gZXSA4LpB raqoSxUC9ZO8mKGlef7y8LIDZ1g1RGT1acZFWm4oFPOgA8fqKZytQTTeXSBnrTFtV3Bh iBKbsW19uMYzKo3MU1HRKT43sU26WRmsjco4YpNqVQInXruiRjtcRo3IV0JkB4SLpnRV 7h0ZWIGrKlViVUcgovlY2UjQ1dwpVNyKgPcS7GKzz4MUiXycNOjKTAVfJ7G+qAcDNYXe P0uA== X-Gm-Message-State: APjAAAWQL1ZwoNCf4q2A5c/tSJmUprVQR1b82H7GYKGiTWcn78oUWvPa AulH69ZvTM7AtXqptWrH6FweU9PcoGxCd07+PHS7d9rXGsoM X-Google-Smtp-Source: APXvYqwHfXVL2mZFXb4Hxi0p3FIlEjAcdjnCe3x9neugDtNVtXtEYN/FKK/D/JN9iP8+kKP3o8DhYVj2oZIfpY6+lG7uA911ygAL MIME-Version: 1.0 X-Received: by 2002:a5e:c24b:: with SMTP id w11mr70459260iop.111.1564032727990; Wed, 24 Jul 2019 22:32:07 -0700 (PDT) Date: Wed, 24 Jul 2019 22:32:07 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002b4896058e7abf78@google.com> Subject: general protection fault in tls_trim_both_msgs From: syzbot To: ast@kernel.org, aviadye@mellanox.com, borisp@mellanox.com, bpf@vger.kernel.org, daniel@iogearbox.net, davejwatson@fb.com, davem@davemloft.net, john.fastabend@gmail.com, kafai@fb.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yhs@fb.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 9e6dfe80 Add linux-next specific files for 20190724 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=1046971fa00000 kernel config: https://syzkaller.appspot.com/x/.config?x=6cbb8fc2cf2842d7 dashboard link: https://syzkaller.appspot.com/bug?extid=0e0fedcad708d12d3032 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+0e0fedcad708d12d3032@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: 1 PID: 15517 Comm: syz-executor.4 Not tainted 5.3.0-rc1-next-20190724 #50 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:tls_trim_both_msgs+0x54/0x130 net/tls/tls_sw.c:268 Code: 48 c1 ea 03 80 3c 02 00 0f 85 e3 00 00 00 4d 8b b5 b0 06 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 b3 00 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b RSP: 0018:ffff8880612cfac0 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff8880a8794340 RCX: ffffc9000e7b9000 RDX: 0000000000000005 RSI: ffffffff86298656 RDI: 0000000000000028 RBP: ffff8880612cfae0 R08: ffff88805ae4c580 R09: fffffbfff14a8155 R10: fffffbfff14a8154 R11: ffffffff8a540aa7 R12: 0000000000000000 R13: ffff888061d82e00 R14: 0000000000000000 R15: 00000000ffffffe0 FS: 00007f7d33516700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fa2f000 CR3: 000000009fcf1000 CR4: 00000000001406e0 Call Trace: tls_sw_sendmsg+0xe38/0x17b0 net/tls/tls_sw.c:1057 inet6_sendmsg+0x9e/0xe0 net/ipv6/af_inet6.c:576 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:657 __sys_sendto+0x262/0x380 net/socket.c:1952 __do_sys_sendto net/socket.c:1964 [inline] __se_sys_sendto net/socket.c:1960 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1960 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7d33515c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459829 RDX: ffffffffffffffc1 RSI: 00000000200005c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 1201000000003618 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7d335166d4 R13: 00000000004c7669 R14: 00000000004dcc70 R15: 00000000ffffffff Modules linked in: ---[ end trace 2dd728cceb39a185 ]--- RIP: 0010:tls_trim_both_msgs+0x54/0x130 net/tls/tls_sw.c:268 Code: 48 c1 ea 03 80 3c 02 00 0f 85 e3 00 00 00 4d 8b b5 b0 06 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 b3 00 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b RSP: 0018:ffff8880612cfac0 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff8880a8794340 RCX: ffffc9000e7b9000 RDX: 0000000000000005 RSI: ffffffff86298656 RDI: 0000000000000028 RBP: ffff8880612cfae0 R08: ffff88805ae4c580 R09: fffffbfff14a8155 R10: fffffbfff14a8154 R11: ffffffff8a540aa7 R12: 0000000000000000 R13: ffff888061d82e00 R14: 0000000000000000 R15: 00000000ffffffe0 FS: 00007f7d33516700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000019dbe80 CR3: 000000009fcf1000 CR4: 00000000001406e0 --- 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.