Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp3891016imm; Sat, 21 Jul 2018 05:38:08 -0700 (PDT) X-Google-Smtp-Source: AAOMgpfQs/5x/dUJjqkEqhXukXdcx1KKqhk+uT3FX821jNWHH6eqiYYRJuQM5wKPpXB376/6f3kV X-Received: by 2002:a65:6203:: with SMTP id d3-v6mr5535625pgv.420.1532176688790; Sat, 21 Jul 2018 05:38:08 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1532176688; cv=none; d=google.com; s=arc-20160816; b=bGIgx6xkDPNy76d+5t/RmF+uLuCqnICsZE1GhNFBjr0qqh9r+00z5PQCiNXn69LsjZ hWfyXxEK8ei7lntyyD/JaZgXsA6X38vEHpohnCb2Vvu9EBg7OzKF07Nbo78cVN4QjNyH vu1QqqxZWNQZ5sErsrGiREuqoFuQwpw4yPSKc24PvYkJb2uJTKw/lp6iqWe2DMYkbQyG XhCkZUwWdEkOrYKJsHCPCywxrwbZBVy6Tek8UZVcjTMR8/wsUTfhQEZJ1ps2YJNbdXZp FK1osfdxYRc8fSIuZiFI9hnqRia8rjMvB/+Zu6gJVuvbGh9aiIB0+GAZ9PniqAPTKVuO 8QJw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:to:from:subject:message-id:in-reply-to :date:mime-version:arc-authentication-results; bh=8mOT7CJJTQrdZ2Xc7LmELZ7vMCqJLunFOrZ5X98iGkI=; b=dC/TvjdB6Mot86umAlnAPKUO3gjIYX85NOZZPfGjIuOgaJVUhJNxUVEY9ESVKw9nIB JDgp2xJZVm/0XenPJasAlqvtzkTSUoQQJ2wr215zES2FyybHmjZ68g+sCAkoLK5zb3fb LUCzRXZuxBFETU7EZADQE+Efuk9LYdqb+cmwaKnz8eUrISwCKpm3dW3YuvRNVXWEXd5x oisVVIEFKwtDTSMr57lishQLukwYIRTY43j8ljI0q2bAQhKTiTVEbLikTax7VrxkBg0u PBl6Q5X5BwZUPIvgZnUZCclz/e5jkj8hXMxNf4/CIsGM+oEVNAyGYx2e0sanfHA3PmXM bv/g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f2-v6si4026868pgg.552.2018.07.21.05.37.53; Sat, 21 Jul 2018 05:38:08 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727828AbeGUN3i (ORCPT + 99 others); Sat, 21 Jul 2018 09:29:38 -0400 Received: from mail-it0-f72.google.com ([209.85.214.72]:35805 "EHLO mail-it0-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727726AbeGUN3i (ORCPT ); Sat, 21 Jul 2018 09:29:38 -0400 Received: by mail-it0-f72.google.com with SMTP id r184-v6so11747582ith.0 for ; Sat, 21 Jul 2018 05:37:02 -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:in-reply-to:message-id:subject :from:to; bh=8mOT7CJJTQrdZ2Xc7LmELZ7vMCqJLunFOrZ5X98iGkI=; b=NRA9UwNI5FSxBFJQOPoM0Uag9TsucSadtJAc4lm4WL3sk3tbiws/SkiAFTYaElb6Hq L0GSzcmzlvzOsqBNB2sLIb+XyXQ/vZHp+ymoUMBPBblid4mluiaLXlrG5XIiQ1L+4XLD 9mjnfqcN3RBZVC0I7hJQ4HuD6SFQaQu7iZggvXcs7kMK7hY/TrfIFExqUCrMtIW5yuGP tHKi+TCIFQO4e/23kVoVEyYjUv/uIaF05u2iqHybR5UUuelSHvyZDifgL+uqcfbdC7Ls /IwYxOUSyAgseMYUymyeIZ9QJ1AnvonDFzEIYLSEh26ezYQrUzKOU6cA9Yna0BqRPzWb ErQw== X-Gm-Message-State: AOUpUlGNlXb+JQQwa6A5CB1cqysevoVf8qEg1RCvlxYpXwL2bXIwvGSA C/ZWpLIKyXLekpy0OhmfJP99e4bGzO4hpQJzmUgpxgAAckqv MIME-Version: 1.0 X-Received: by 2002:a6b:ac45:: with SMTP id v66-v6mr2194605ioe.101.1532176622307; Sat, 21 Jul 2018 05:37:02 -0700 (PDT) Date: Sat, 21 Jul 2018 05:37:02 -0700 In-Reply-To: <001a1140b8307b0439055ffc7872@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004e5aa5057181ab72@google.com> Subject: Re: INFO: task hung in aead_recvmsg From: syzbot To: davem@davemloft.net, dvyukov@google.com, ebiggers3@gmail.com, herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, steffen.klassert@secunet.com, syzkaller-bugs@googlegroups.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 syzbot has found a reproducer for the following crash on: HEAD commit: 99d20a461c43 Merge git://git.kernel.org/pub/scm/linux/kern.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=1593e1c2400000 kernel config: https://syzkaller.appspot.com/x/.config?x=acf770f568ef945b dashboard link: https://syzkaller.appspot.com/bug?extid=56c7151cad94eec37c521f0e47d2eee53f9361c4 compiler: gcc (GCC) 8.0.1 20180413 (experimental) syzkaller repro:https://syzkaller.appspot.com/x/repro.syz?x=174a932c400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10cc732c400000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+56c7151cad94eec37c521f0e47d2eee53f9361c4@syzkaller.appspotmail.com INFO: task syz-executor592:4465 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24544 4465 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000019 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor592:4466 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24448 4466 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000013 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor592:4467 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24240 4467 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000016 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor592:4468 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24240 4468 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000019 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor592:4469 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24592 4469 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000010 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor592:4470 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24592 4470 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000013 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor592:4471 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24032 4471 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000016 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor592:4472 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24480 4472 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000016 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 900 Comm: khungtaskd Not tainted 4.18.0-rc5+ #132 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+0x1c9/0x2b4 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.5+0x19/0xce lib/nmi_backtrace.c:103 nmi_trigger_cpumask_backtrace+0x151/0x192 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:138 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog+0x9c4/0xf80 kernel/hung_task.c:252 kthread+0x345/0x410 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:54