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 AD9ACC433FF for ; Thu, 15 Aug 2019 10:54:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8BA2721773 for ; Thu, 15 Aug 2019 10:54:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731319AbfHOKyI (ORCPT ); Thu, 15 Aug 2019 06:54:08 -0400 Received: from mail-oi1-f198.google.com ([209.85.167.198]:52257 "EHLO mail-oi1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731317AbfHOKyH (ORCPT ); Thu, 15 Aug 2019 06:54:07 -0400 Received: by mail-oi1-f198.google.com with SMTP id y1so954141oih.19 for ; Thu, 15 Aug 2019 03:54:07 -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=iu5xMpJVePxmGvQqPz/kzGEyl3lnKN+M2iewRRbTvBs=; b=hdTYjo/e7xyCRXMhRjwFXPNP10/EpztagscSosHT+3LVyeYLMCGyVdEQqk3HCTDTOK Ge53corn4femHxZpVHl/OSGwCbFOFJISrdmWP2NRfeogiHAvrj6CCq2W4cpazXBD3GcS ZB1O5Mo68RLEHWaWgJ1Puz+mCxSK4arhrSlb89wOkCyQF9BlIDkwWUuhPa4s+Q1w7WjR k2Lg1+qP/oOW/a7LgIwSRG9I2qGg21Kjbw7LdUqo3ngYvHuCpfkie18/mN5UpWD/FFIL q2m1a3WmfPf96iB+ZfHkzpbqTXtNtlCkd7V+gso0ogLkpnyaO4dN7PRPAiuUPy61vtgN dUuw== X-Gm-Message-State: APjAAAWcXl1oAqTz8gloYwKu7za5l9sebWqP3R8EppM333GiaB8f7N0S bwdGCpI37bCfsD6sons24Ix82b5H3fRL87MlSO13AYmIolj0 X-Google-Smtp-Source: APXvYqyJUfSjq5fX6S07s69c3lj/EQ1Effq/eoWR5+O3xWIoG31oSpaenHel3MEScC5+3znLjx+3Y2HUOE/zfO27k/8/8PQatAkt MIME-Version: 1.0 X-Received: by 2002:a5e:d70a:: with SMTP id v10mr1960404iom.19.1565866446695; Thu, 15 Aug 2019 03:54:06 -0700 (PDT) Date: Thu, 15 Aug 2019 03:54:06 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000523ea3059025b11d@google.com> Subject: INFO: task hung in tls_sw_release_resources_tx 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, jakub.kicinski@netronome.com, 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: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 6d5afe20 sctp: fix memleak in sctp_send_reset_streams git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=16e5536a600000 kernel config: https://syzkaller.appspot.com/x/.config?x=a4c9e9f08e9e8960 dashboard link: https://syzkaller.appspot.com/bug?extid=6a9ff159672dfbb41c95 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17cb0502600000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14d5dc22600000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+6a9ff159672dfbb41c95@syzkaller.appspotmail.com INFO: task syz-executor153:10198 blocked for more than 143 seconds. Not tainted 5.3.0-rc3+ #162 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor153 D27672 10198 10179 0x80000002 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3880 schedule+0xa8/0x270 kernel/sched/core.c:3944 schedule_timeout+0x717/0xc50 kernel/time/timer.c:1783 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common kernel/sched/completion.c:115 [inline] wait_for_completion+0x29c/0x440 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:685 [inline] crypto_wait_req include/linux/crypto.h:680 [inline] tls_sw_release_resources_tx+0x4ee/0x6b0 net/tls/tls_sw.c:2075 tls_sk_proto_cleanup net/tls/tls_main.c:275 [inline] tls_sk_proto_close+0x686/0x970 net/tls/tls_main.c:305 inet_release+0xed/0x200 net/ipv4/af_inet.c:427 inet6_release+0x53/0x80 net/ipv6/af_inet6.c:470 __sock_release+0xce/0x280 net/socket.c:590 sock_close+0x1e/0x30 net/socket.c:1268 __fput+0x2ff/0x890 fs/file_table.c:280 ____fput+0x16/0x20 fs/file_table.c:313 task_work_run+0x145/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x92f/0x2e50 kernel/exit.c:879 do_group_exit+0x135/0x360 kernel/exit.c:983 __do_sys_exit_group kernel/exit.c:994 [inline] __se_sys_exit_group kernel/exit.c:992 [inline] __x64_sys_exit_group+0x44/0x50 kernel/exit.c:992 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x43ff88 Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 RSP: 002b:00007ffd1c2d0f78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff88 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 RBP: 00000000004bf890 R08: 00000000000000e7 R09: ffffffffffffffd0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000 INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 1057 Comm: khungtaskd Not tainted 5.3.0-rc3+ #162 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x70/0xb2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x23b/0x28b lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline] watchdog+0x9d0/0xef0 kernel/hung_task.c:289 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 --- This bug is generated by a bot. It may contain errors. 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