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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 03007C433F5 for ; Fri, 24 Sep 2021 08:58:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D7A7A61250 for ; Fri, 24 Sep 2021 08:58:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245029AbhIXJAA (ORCPT ); Fri, 24 Sep 2021 05:00:00 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:47056 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245007AbhIXI77 (ORCPT ); Fri, 24 Sep 2021 04:59:59 -0400 Received: by mail-io1-f71.google.com with SMTP id b13-20020a05660214cd00b005d6279b61fdso8926958iow.13 for ; Fri, 24 Sep 2021 01:58:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=8npiF/jDNr/jkDotYVsh3O09j4eaE43P0hOP/9Ipagw=; b=NV6pZSz85Q8BwtDatkC7cTOxWP4lnRPexU1nx1053q1Gw5uWUYV+mWpHl8jiHbio7y IBHjuLBXUa5wS+/uEnxKwajtIlYLGpRWBixhaWKtzlUFZrD3k/RpbUWrmyl0B7yTyQQz vS2RTD5LXU0vE3b8YPdPAqwNF7UnrN4kVXw86O+QIyuu6FFBhuKTFwOWOYT/QArm+6WO ESE3H4t9QuMX1DRF0MnL9ns+oj/lFynD8DGZI93pCx0dy2tNaRGyaY8GSBxnLjsomwrN Dpfsh+s8aZq7NHtEZXEbKs6doSkLclLSE6oswQMNyY0pHCVgu/jqbW2Hw2PGQ6ig6Wp4 DdLA== X-Gm-Message-State: AOAM532Y+61HpWc/jwAAN9Z+q2sKysyGWubdyaDlCwsglR7kRnt/WFYt 6rQA/nRQFnAscas53Bn7JaDIDXmRqahoYMQjBQVXFJJ7KzEc X-Google-Smtp-Source: ABdhPJzuAfXhZDMEaHvtLrVXHZVHFI359ZJSDK1BbS6qwQMvli/fg9gKolr6ohoKmJqo2bLB9YkLFZbP5xI7RoC8cl1cSmv/xn+K MIME-Version: 1.0 X-Received: by 2002:a92:280f:: with SMTP id l15mr6929859ilf.74.1632473906530; Fri, 24 Sep 2021 01:58:26 -0700 (PDT) Date: Fri, 24 Sep 2021 01:58:26 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004dcddc05ccb9f3a2@google.com> Subject: [syzbot] riscv/fixes test error: BUG: soft lockup in corrupted From: syzbot To: davem@davemloft.net, dsahern@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, yoshfuji@linux-ipv6.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 7d2a07b76933 Linux 5.14 git tree: git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes console output: https://syzkaller.appspot.com/x/log.txt?x=1021b1f3300000 kernel config: https://syzkaller.appspot.com/x/.config?x=f8211b06020972e8 dashboard link: https://syzkaller.appspot.com/bug?extid=bc48e05449f37d40eccf compiler: riscv64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 userspace arch: riscv64 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+bc48e05449f37d40eccf@syzkaller.appspotmail.com watchdog: BUG: soft lockup - CPU#0 stuck for 430s! [kworker/0:3:3301] Modules linked in: irq event stamp: 128499 hardirqs last enabled at (128498): [] restore_all+0x12/0x6e hardirqs last disabled at (128499): [] _save_context+0x80/0x90 softirqs last enabled at (45742): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (45742): [] __do_softirq+0x628/0x90c kernel/softirq.c:587 softirqs last disabled at (45749): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (45749): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (45749): [] __irq_exit_rcu kernel/softirq.c:636 [inline] softirqs last disabled at (45749): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:660 CPU: 0 PID: 3301 Comm: kworker/0:3 Not tainted 5.14.0-syzkaller #0 Hardware name: riscv-virtio,qemu (DT) Workqueue: events nsim_dev_trap_report_work epc : arch_static_branch arch/riscv/include/asm/jump_label.h:20 [inline] epc : kfence_alloc include/linux/kfence.h:120 [inline] epc : slab_alloc_node mm/slub.c:2884 [inline] epc : __kmalloc_node_track_caller+0xaa/0x3d2 mm/slub.c:4653 ra : slab_pre_alloc_hook mm/slab.h:494 [inline] ra : slab_alloc_node mm/slub.c:2880 [inline] ra : __kmalloc_node_track_caller+0x70/0x3d2 mm/slub.c:4653 epc : ffffffff803e2a1a ra : ffffffff803e29e0 sp : ffffffe00e97f4d0 gp : ffffffff83f967d8 tp : ffffffe0081a2f80 t0 : ffffffe008c0e728 t1 : ffffffc7f07f2d69 t2 : 000000000545de2b s0 : ffffffe00e97f570 s1 : ffffffe005601c80 a0 : 0000000000000000 a1 : 0000000000000007 a2 : 1ffffffff07aa51f a3 : ffffffff80a9711a a4 : 0000000004000000 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : 7126f9b37a026000 s2 : ffffffff83f96adc s3 : 0000000000082a20 s4 : 0000000000000200 s5 : ffffffffffffffff s6 : ffffffff827d9302 s7 : ffffffff83f9a0d0 s8 : 0000000000000000 s9 : 0000000000082a20 s10: ffffffffffffffff s11: 0000000000000000 t3 : 7126f9b37a026000 t4 : ffffffc7f07f2d69 t5 : ffffffc7f07f2d6a t6 : ffffffe009428026 status: 0000000000000120 badaddr: 0000000000000000 cause: 8000000000000005 [] slab_alloc_node mm/slub.c:2881 [inline] [] __kmalloc_node_track_caller+0xaa/0x3d2 mm/slub.c:4653 [] kmalloc_reserve net/core/skbuff.c:355 [inline] [] __alloc_skb+0xee/0x2e2 net/core/skbuff.c:426 [] alloc_skb include/linux/skbuff.h:1112 [inline] [] ndisc_alloc_skb+0x9e/0x1a0 net/ipv6/ndisc.c:420 [] ndisc_send_rs+0x24c/0x378 net/ipv6/ndisc.c:686 [] addrconf_rs_timer+0x2ac/0x4c4 net/ipv6/addrconf.c:3877 [] call_timer_fn+0x10e/0x654 kernel/time/timer.c:1421 [] expire_timers kernel/time/timer.c:1466 [inline] [] __run_timers.part.0+0x3e0/0x442 kernel/time/timer.c:1734 [] __run_timers kernel/time/timer.c:1715 [inline] [] run_timer_softirq+0x76/0xe0 kernel/time/timer.c:1747 [] __do_softirq+0x270/0x90c kernel/softirq.c:558 [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] [] invoke_softirq kernel/softirq.c:439 [inline] [] __irq_exit_rcu kernel/softirq.c:636 [inline] [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:660 [] handle_domain_irq+0x106/0x178 kernel/irq/irqdesc.c:705 [] riscv_intc_irq+0x80/0xca drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] slab_pre_alloc_hook mm/slab.h:494 [inline] [] slab_alloc_node mm/slub.c:2880 [inline] [] __kmalloc_node_track_caller+0x70/0x3d2 mm/slub.c:4653 --- 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.