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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1FE78C05027 for ; Mon, 23 Jan 2023 05:16:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229999AbjAWFQn (ORCPT ); Mon, 23 Jan 2023 00:16:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229519AbjAWFQm (ORCPT ); Mon, 23 Jan 2023 00:16:42 -0500 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4F1218A91 for ; Sun, 22 Jan 2023 21:16:40 -0800 (PST) Received: by mail-il1-f200.google.com with SMTP id o10-20020a056e02102a00b003006328df7bso7674808ilj.17 for ; Sun, 22 Jan 2023 21:16:40 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=nUw1aAdRjUAdHmyJY7wAMUE1oHuNao0Sr9sDriC9qfM=; b=6+OLnWpk+HZFMXI5MkWspX/aD6Qv3OLlv4HLWyRK/5b7aO+063Y+FSVGovPisk1tOJ 13PmQmka41NEx3nUmoL5MExHS5OdwcmEwPYe8bITHOEaRDTB/PwdRUP8gNKE7WXbFxxI AXOvU7umEgvIhErJDSH/i52Z5tYNjRhSktfq+FD8ANh80dWN8lAiQToRGWUb01BvmZ9+ 8E4E7LmnUsw2iOgpqxyvHMA2LPmi8UaBMpG+Ia79qofP+TlsPuvvsfCyIa8A9j6VENW/ c5wyPgQQXxKbL4m7hZ6IJEd76LmWkYiW/44qmqWcBzj0NqJARgfQQ6YduaGV3JG0wh7K L/Rw== X-Gm-Message-State: AFqh2kqidY5Rr/FJRcRnvKlFPIaPwsUbC1HzN7U5qZhGaC3K5N0ky7jl v1SMMqUagcrQEyoDH48q6GCsF0PJJl0wUAlhPcepHXsRkU5z X-Google-Smtp-Source: AMrXdXujfymYL22Rpds+l3PLO6tYWUloJf/X1IcIh2Rb2cPUZGGNUNB8wQiVjSNdVqZ44GaD2UHzwq2j3Z4D6Ns4N8oi5Fc6EruZ MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1025:b0:30f:6222:c5e6 with SMTP id o5-20020a056e02102500b0030f6222c5e6mr782247ilj.107.1674450999917; Sun, 22 Jan 2023 21:16:39 -0800 (PST) Date: Sun, 22 Jan 2023 21:16:39 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000b45a105f2e781db@google.com> Subject: [syzbot] WARNING in io_get_cqe_overflow From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: edb2f0dc90f2 Merge branch 'for-next/core' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=11cb0589480000 kernel config: https://syzkaller.appspot.com/x/.config?x=a1c301efa2b11613 dashboard link: https://syzkaller.appspot.com/bug?extid=200ab9a0f030458682a9 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/ca1677dc6969/disk-edb2f0dc.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/22527595a2dd/vmlinux-edb2f0dc.xz kernel image: https://storage.googleapis.com/syzbot-assets/45308e5f6962/Image-edb2f0dc.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+200ab9a0f030458682a9@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8481 at io_uring/io_uring.h:108 io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 Modules linked in: CPU: 1 PID: 8481 Comm: syz-executor.2 Not tainted 6.2.0-rc4-syzkaller-16807-gedb2f0dc90f2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 lr : io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 sp : ffff800013cfbb70 x29: ffff800013cfbb70 x28: ffff000119bb0778 x27: 0000000000000000 x26: ffff000119b53400 x25: 0000000000000001 x24: 0000000000000801 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff00012219e000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80000dd97118 x15: ffff000119b53400 x14: 0000000000000100 x13: 00000000ffffffff x12: 0000000000040000 x11: 000000000000129a x10: ffff800017e49000 x9 : ffff80000959f4d8 x8 : 000000000000129b x7 : ffff8000095986e8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000cd89cfd x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 io_get_cqe io_uring/io_uring.h:125 [inline] io_fill_cqe_aux io_uring/io_uring.c:832 [inline] __io_post_aux_cqe+0x58/0x190 io_uring/io_uring.c:880 io_post_aux_cqe+0x40/0x58 io_uring/io_uring.c:890 io_msg_ring_data+0x104/0x164 io_uring/msg_ring.c:74 io_msg_ring+0x8c/0x2cc io_uring/msg_ring.c:227 io_issue_sqe+0x1c4/0x518 io_uring/io_uring.c:1856 io_queue_sqe io_uring/io_uring.c:2028 [inline] io_submit_sqe io_uring/io_uring.c:2286 [inline] io_submit_sqes+0x18c/0x454 io_uring/io_uring.c:2397 __do_sys_io_uring_enter+0x168/0x9ac io_uring/io_uring.c:3345 __se_sys_io_uring_enter io_uring/io_uring.c:3277 [inline] __arm64_sys_io_uring_enter+0x30/0x40 io_uring/io_uring.c:3277 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x104 arch/arm64/kernel/syscall.c:193 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 irq event stamp: 662 hardirqs last enabled at (661): [] mod_objcg_state+0x19c/0x204 mm/memcontrol.c:3220 hardirqs last disabled at (662): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (612): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (610): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8481 at io_uring/io_uring.h:108 io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 Modules linked in: CPU: 0 PID: 8481 Comm: syz-executor.2 Tainted: G W 6.2.0-rc4-syzkaller-16807-gedb2f0dc90f2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 lr : io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 sp : ffff800013cfbb70 x29: ffff800013cfbb70 x28: ffff000129dd9478 x27: 0000000000000000 x26: ffff000119b53400 x25: 0000000000000001 x24: 0000000000000801 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff00012219e000 x18: 00000000000003fd x17: ffff80000c16e8bc x16: ffff80000dd97118 x15: ffff000119b53400 x14: 0000000000000100 x13: 00000000ffffffff x12: 0000000000040000 x11: 000000000001dfc0 x10: ffff800017e49000 x9 : ffff80000959f4d8 x8 : 000000000001dfc1 x7 : ffff8000095986e8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 io_get_cqe io_uring/io_uring.h:125 [inline] io_fill_cqe_aux io_uring/io_uring.c:832 [inline] __io_post_aux_cqe+0x58/0x190 io_uring/io_uring.c:880 io_post_aux_cqe+0x40/0x58 io_uring/io_uring.c:890 io_msg_ring_data+0x104/0x164 io_uring/msg_ring.c:74 io_msg_ring+0x8c/0x2cc io_uring/msg_ring.c:227 io_issue_sqe+0x1c4/0x518 io_uring/io_uring.c:1856 io_queue_sqe io_uring/io_uring.c:2028 [inline] io_submit_sqe io_uring/io_uring.c:2286 [inline] io_submit_sqes+0x18c/0x454 io_uring/io_uring.c:2397 __do_sys_io_uring_enter+0x168/0x9ac io_uring/io_uring.c:3345 __se_sys_io_uring_enter io_uring/io_uring.c:3277 [inline] __arm64_sys_io_uring_enter+0x30/0x40 io_uring/io_uring.c:3277 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x104 arch/arm64/kernel/syscall.c:193 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 irq event stamp: 892 hardirqs last enabled at (891): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1370 [inline] hardirqs last enabled at (891): [] finish_lock_switch+0x94/0xe8 kernel/sched/core.c:5052 hardirqs last disabled at (892): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (888): [] _stext+0x2e4/0x37c softirqs last disabled at (665): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8481 at io_uring/io_uring.h:108 io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 Modules linked in: CPU: 1 PID: 8481 Comm: syz-executor.2 Tainted: G W 6.2.0-rc4-syzkaller-16807-gedb2f0dc90f2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 lr : io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 sp : ffff800013cfbb70 x29: ffff800013cfbb70 x28: ffff000129dd9f78 x27: 0000000000000000 x26: ffff000119b53400 x25: 0000000000000001 x24: 0000000000000801 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff00012219e000 x18: 000000000000035a x17: 0000000000000000 x16: ffff80000dd97118 x15: ffff000119b53400 x14: 0000000000000100 x13: 00000000ffffffff x12: 0000000000040000 x11: 00000000000399ac x10: ffff800017e49000 x9 : ffff80000959f4d8 x8 : 00000000000399ad x7 : ffff8000095986e8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 io_get_cqe io_uring/io_uring.h:125 [inline] io_fill_cqe_aux io_uring/io_uring.c:832 [inline] __io_post_aux_cqe+0x58/0x190 io_uring/io_uring.c:880 io_post_aux_cqe+0x40/0x58 io_uring/io_uring.c:890 io_msg_ring_data+0x104/0x164 io_uring/msg_ring.c:74 io_msg_ring+0x8c/0x2cc io_uring/msg_ring.c:227 io_issue_sqe+0x1c4/0x518 io_uring/io_uring.c:1856 io_queue_sqe io_uring/io_uring.c:2028 [inline] io_submit_sqe io_uring/io_uring.c:2286 [inline] io_submit_sqes+0x18c/0x454 io_uring/io_uring.c:2397 __do_sys_io_uring_enter+0x168/0x9ac io_uring/io_uring.c:3345 __se_sys_io_uring_enter io_uring/io_uring.c:3277 [inline] __arm64_sys_io_uring_enter+0x30/0x40 io_uring/io_uring.c:3277 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x104 arch/arm64/kernel/syscall.c:193 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 irq event stamp: 974 hardirqs last enabled at (973): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1370 [inline] hardirqs last enabled at (973): [] finish_lock_switch+0x94/0xe8 kernel/sched/core.c:5052 hardirqs last disabled at (974): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (970): [] _stext+0x2e4/0x37c softirqs last disabled at (895): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8481 at io_uring/io_uring.h:108 io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 Modules linked in: CPU: 1 PID: 8481 Comm: syz-executor.2 Tainted: G W 6.2.0-rc4-syzkaller-16807-gedb2f0dc90f2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 lr : io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 sp : ffff800013cfbb70 x29: ffff800013cfbb70 x28: ffff000129dd9d78 x27: 0000000000000000 x26: ffff000119b53400 x25: 0000000000000001 x24: 0000000000000801 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff00012219e000 x18: 000000000000ba7e x17: ffff80000c16e8bc x16: ffff80000dd97118 x15: ffff000119b53400 x14: 0000000000000100 x13: 00000000ffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff800017e49000 x9 : ffff80000959f4d8 x8 : 0000000000040000 x7 : ffff8000095986e8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 io_get_cqe io_uring/io_uring.h:125 [inline] io_fill_cqe_aux io_uring/io_uring.c:832 [inline] __io_post_aux_cqe+0x58/0x190 io_uring/io_uring.c:880 io_post_aux_cqe+0x40/0x58 io_uring/io_uring.c:890 io_msg_ring_data+0x104/0x164 io_uring/msg_ring.c:74 io_msg_ring+0x8c/0x2cc io_uring/msg_ring.c:227 io_issue_sqe+0x1c4/0x518 io_uring/io_uring.c:1856 io_queue_sqe io_uring/io_uring.c:2028 [inline] io_submit_sqe io_uring/io_uring.c:2286 [inline] io_submit_sqes+0x18c/0x454 io_uring/io_uring.c:2397 __do_sys_io_uring_enter+0x168/0x9ac io_uring/io_uring.c:3345 __se_sys_io_uring_enter io_uring/io_uring.c:3277 [inline] __arm64_sys_io_uring_enter+0x30/0x40 io_uring/io_uring.c:3277 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x104 arch/arm64/kernel/syscall.c:193 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 irq event stamp: 1012 hardirqs last enabled at (1011): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1370 [inline] hardirqs last enabled at (1011): [] finish_lock_switch+0x94/0xe8 kernel/sched/core.c:5052 hardirqs last disabled at (1012): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1008): [] _stext+0x2e4/0x37c softirqs last disabled at (977): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8481 at io_uring/io_uring.h:108 io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 Modules linked in: CPU: 1 PID: 8481 Comm: syz-executor.2 Tainted: G W 6.2.0-rc4-syzkaller-16807-gedb2f0dc90f2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 lr : io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 sp : ffff800013cfbb70 x29: ffff800013cfbb70 x28: ffff000129dd9e78 x27: 0000000000000000 x26: ffff000119b53400 x25: 0000000000000001 x24: 0000000000000801 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff00012219e000 x18: 000000000000ba7e x17: ffff80000c16e8bc x16: ffff80000dd97118 x15: ffff000119b53400 x14: 0000000000000100 x13: 00000000ffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff800017e49000 x9 : ffff80000959f4d8 x8 : 0000000000040000 x7 : ffff8000095986e8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: io_get_cqe_overflow+0x1c4/0x1f0 io_uring/io_uring.h:108 io_get_cqe io_uring/io_uring.h:125 [inline] io_fill_cqe_aux io_uring/io_uring.c:832 [inline] __io_post_aux_cqe+0x58/0x190 io_uring/io_uring.c:880 io_post_aux_cqe+0x40/0x58 io_uring/io_uring.c:890 io_msg_ring_data+0x104/0x164 io_uring/msg_ring.c:74 io_msg_ring+0x8c/0x2cc io_uring/msg_ring.c:227 io_issue_sqe+0x1c4/0x518 io_uring/io_uring.c:1856 io_queue_sqe io_uring/io_uring.c:2028 [inline] io_submit_sqe io_uring/io_uring.c:2286 [inline] io_submit_sqes+0x18c/0x454 io_uring/io_uring.c:2397 __do_sys_io_uring_enter+0x168/0x9ac io_uring/io_uring.c:3345 __se_sys_io_uring_enter io_uring/io_uring.c:3277 [inline] __arm64_sys_io_uring_enter+0x30/0x40 io_uring/io_uring.c:3277 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x104 arch/arm64/kernel/syscall.c:193 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 irq event stamp: 1220 hardirqs last enabled at (1219): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1370 [inline] hardirqs last enabled at (1219): [] finish_lock_switch+0x94/0xe8 kernel/sched/core.c:5052 hardirqs last disabled at (1220): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1216): [] _stext+0x2e4/0x37c softirqs last disabled at (1015): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- --- This report 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 issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.