From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 42CBCBA38; Fri, 12 Jul 2024 02:08:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.255 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720750124; cv=none; b=eqNbE3OFp3Tm9w9WvDRS4d6CYzRxewKvFPjDgehMkIL3NFlZFkya0NjLb4sUN55kSp6ISd3tATDTeGTgzsZAThkZdSJaeTN/cL0T3d7g0zneNhBckOge1YBE9hnFuz/1vVmWnbYyY1rhoGIlCM15oEck1fVeUabOiLV7NAYc41o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720750124; c=relaxed/simple; bh=ot7EbIhT/HiWPyg6bIJvN0Hkius+ftcN/BYFQkUz1aA=; h=Message-ID:Date:MIME-Version:To:From:Subject:Content-Type; b=QPYiEYUg0jTNjx/edr5nT4lJC5hS57m6Bc6KSFKwG+C3tOzQhhnucKHv0PcepYEqb6xkFTgPXbpXELWOGoYxVNkDw5AXv1qfrllvxE0tPLTOT4RVikjd/Dw3DTRhirljOsTAJbDnSAp1MjLu84PxqpHWSNn6dpdm+DYrhAGKcG0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.255 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.163.252]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4WKvyz282jz1T5VC; Fri, 12 Jul 2024 10:03:55 +0800 (CST) Received: from dggpeml500023.china.huawei.com (unknown [7.185.36.114]) by mail.maildlp.com (Postfix) with ESMTPS id 08C88180ADF; Fri, 12 Jul 2024 10:08:40 +0800 (CST) Received: from [10.67.110.112] (10.67.110.112) by dggpeml500023.china.huawei.com (7.185.36.114) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Fri, 12 Jul 2024 10:08:39 +0800 Message-ID: <08227db9-6ed7-4909-838d-ce9a0233fba3@huawei.com> Date: Fri, 12 Jul 2024 10:08:39 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.5.1 Content-Language: en-US To: , Linux kernel mailing list From: xiujianfeng Subject: [BUG REPORT] kernel BUG at lib/dynamic_queue_limits.c:99! Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpeml500023.china.huawei.com (7.185.36.114) I found a problem with my QEMU environment, and the log is as follows. After I did the bisect to locate the issue, I found 8490dd0592e85e0cceefa6b48d66dbdd73df0fb3 is the first bad commit, however this is a merge commit, and I cannot further confirm which specific commit caused this issue. ------------[ cut here ]------------ kernel BUG at lib/dynamic_queue_limits.c:99! Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI CPU: 1 UID: 0 PID: 203 Comm: ip Not tainted 6.10.0-rc7-next-20240711-12643-gf477dd6eede3 #613 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 RIP: 0010:dql_completed+0x212/0x230 Code: 41 1c 01 48 89 57 58 e9 85 fe ff ff 85 ed 40 0f 95 c5 41 39 d8 0f 95 c1 40 84 cd 74 05 45 85 e4 78 0a 44 89 d9 e9 67 fe fe RSP: 0018:ffffc900000f0d70 EFLAGS: 00000213 RAX: 0000000000000000 RBX: ffff88800413b800 RCX: ffff888005925240 RDX: 0000000000000000 RSI: 0000000081df1116 RDI: ffff888003a0d700 RBP: ffff888003a0d600 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffff88800a403c90 R12: 0000000000000001 R13: ffffc900000f0db0 R14: ffff888003a0d680 R15: ffff88803cc80000 FS: 00007fcf4229f1c0(0000) GS:ffff88803cc80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005596d60d1290 CR3: 00000000093c0000 CR4: 00000000000006f0 Call Trace: ? die+0x32/0x90 ? do_trap+0xdc/0x100 ? dql_completed+0x212/0x230 ? do_error_trap+0x60/0x80 ? dql_completed+0x212/0x230 ? exc_invalid_op+0x4f/0x70 ? dql_completed+0x212/0x230 ? asm_exc_invalid_op+0x1a/0x20 ? dql_completed+0x212/0x230 __free_old_xmit+0xb2/0x120 free_old_xmit+0x23/0x70 ? _raw_spin_trylock+0x46/0x60 virtnet_poll+0xe0/0x590 ? update_curr+0xf9/0x1c0 ? find_held_lock+0x2b/0x80 __napi_poll+0x25/0x160 net_rx_action+0x177/0x310 ? clockevents_program_event+0x53/0x100 ? lock_release+0xa4/0x1d0 ? ktime_get+0x76/0x100 ? lapic_next_event+0x10/0x20 handle_softirqs+0xd0/0x210 do_softirq+0x3b/0x60 __local_bh_enable_ip+0x55/0x70 virtnet_open+0xac/0x2d0 __dev_open+0xda/0x190 __dev_change_flags+0x1b3/0x230 ? __pfx_stack_trace_consume_entry+0x10/0x10 ? arch_stack_walk+0x9d/0xf0 dev_change_flags+0x20/0x60 do_setlink+0x27e/0x1120 ? set_track_prepare+0x3b/0x60 ? rtnl_newlink+0x5a/0xa0 ? rtnetlink_rcv_msg+0x199/0x4c0 ? __nla_validate_parse+0x5e/0xed0 ? netlink_sendmsg+0x1e3/0x420 ? __sock_sendmsg+0x5e/0x60 ? ____sys_sendmsg+0x1da/0x210 ? ___sys_sendmsg+0x7b/0xc0 ? __sys_sendmsg+0x50/0x90 ? do_syscall_64+0x4b/0x110 ? entry_SYSCALL_64_after_hwframe+0x76/0x7e __rtnl_newlink+0x50d/0x990 ? __kmalloc_cache_noprof+0x1a0/0x260 ? __kmalloc_cache_noprof+0x204/0x260 ? rtnetlink_rcv_msg+0x14e/0x4c0 ? rtnl_newlink+0x5a/0xa0 rtnl_newlink+0x73/0xa0 rtnetlink_rcv_msg+0x199/0x4c0 ? find_held_lock+0x2b/0x80 ? __pfx_rtnetlink_rcv_msg+0x10/0x10 netlink_rcv_skb+0x56/0x100 ? netlink_unicast+0x69/0x3a0 netlink_unicast+0x283/0x3a0 netlink_sendmsg+0x1e3/0x420 __sock_sendmsg+0x5e/0x60 ____sys_sendmsg+0x1da/0x210 ? copy_msghdr_from_user+0x68/0xa0 ___sys_sendmsg+0x7b/0xc0 ? stack_depot_save_flags+0x2e/0x8a0 ? check_bytes_and_report.constprop.0+0x48/0x120 ? check_object+0xb5/0x3a0 ? find_held_lock+0x2b/0x80 __sys_sendmsg+0x50/0x90 do_syscall_64+0x4b/0x110 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7fcf423c7f03 Code: 64 89 02 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 2e 00 00 00 08 RSP: 002b:00007ffcbfa59528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcf423c7f03 RDX: 0000000000000000 RSI: 00007ffcbfa59590 RDI: 0000000000000003 RBP: 0000000066907e78 R08: 0000000000000001 R09: 00007fcf42499be0 R10: 0000000000000076 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcbfa59660 R14: 0000000000000000 R15: 00005596d6088020 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:dql_completed+0x212/0x230 Code: 41 1c 01 48 89 57 58 e9 85 fe ff ff 85 ed 40 0f 95 c5 41 39 d8 0f 95 c1 40 84 cd 74 05 45 85 e4 78 0a 44 89 d9 e9 67 fe fe RSP: 0018:ffffc900000f0d70 EFLAGS: 00000213 RAX: 0000000000000000 RBX: ffff88800413b800 RCX: ffff888005925240 RDX: 0000000000000000 RSI: 0000000081df1116 RDI: ffff888003a0d700 RBP: ffff888003a0d600 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffff88800a403c90 R12: 0000000000000001 R13: ffffc900000f0db0 R14: ffff888003a0d680 R15: ffff88803cc80000 FS: 00007fcf4229f1c0(0000) GS:ffff88803cc80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005596d60d1290 CR3: 00000000093c0000 CR4: 00000000000006f0 Kernel panic - not syncing: Fatal exception in interrupt Kernel Offset: disabled ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---